tag:blogger.com,1999:blog-16435135457882321982024-02-07T08:48:53.167-05:00SoftElf.comUnknownnoreply@blogger.comBlogger29125tag:blogger.com,1999:blog-1643513545788232198.post-52435405681276808952018-08-29T19:34:00.004-04:002018-08-29T19:34:33.227-04:00BTS V performance<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhygAJzbSdnoFzku1mt1JqxPJGfoLZ_HMgRIRg56IeHXWkWDgwEO_ehVpKUzMvUFV0S6tAtpN0x-HGfG0SNLYtVFM_p5fBsaE1Gs77z9gbyYVByV6qnxAWEUMtBMA7ey9SO-NR_yxJ4DsMB/s1600/2766BA3758B303F209-1535294640570-567493869.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhygAJzbSdnoFzku1mt1JqxPJGfoLZ_HMgRIRg56IeHXWkWDgwEO_ehVpKUzMvUFV0S6tAtpN0x-HGfG0SNLYtVFM_p5fBsaE1Gs77z9gbyYVByV6qnxAWEUMtBMA7ey9SO-NR_yxJ4DsMB/s1600/2766BA3758B303F209-1535294640570-567493869.jpg" /></a><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkrtdd-BcAazXO1Autc7txI3Kh-AJMNo_NWR5ojHy9KPhf_rvQ6tJmg7O0S6M1FrR2wPO0hR9R7QQaOZQeOyVBxuhxLK98Ac8vVpj5mKmagqktk35_im9RQqFVDl4Jo89myYYmWfaurcy6/s1600/2406263758B303FC2D-1535294640309-503720988.jpg" /><a href="https://www.twiceweb.net/board/view/ent_bangtan/30" target="_blank">https://www.twiceweb.net/board/view/ent_bangtan/30</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-33699176616363790632018-08-29T19:32:00.001-04:002018-08-29T19:35:08.234-04:00BTS V his home life with his family<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheBG-Z3-jZPQr7-W_P1abXAzwuFyRLeegu1V_z7d2FKedPYVzm3I2flNgrmu9_auJQtc39UlDV3lZzHgl0Y0xt-fS8vt28E90CuN_Bp5PnjiRaOjypOhC-8p6b8odDJH_5KlzCAsYfp4pA/s1600/pannapp_2017-11-28_21_27_53-1535292777614-179049116.jpg" imageanchor="1"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheBG-Z3-jZPQr7-W_P1abXAzwuFyRLeegu1V_z7d2FKedPYVzm3I2flNgrmu9_auJQtc39UlDV3lZzHgl0Y0xt-fS8vt28E90CuN_Bp5PnjiRaOjypOhC-8p6b8odDJH_5KlzCAsYfp4pA/s1600/pannapp_2017-11-28_21_27_53-1535292777614-179049116.jpg" /></a><br />
<br />
he looks so happy! 😊<br />
<br />
<a href="https://www.twiceweb.net/board/view/ent_bangtan/22" target="_blank">https://www.twiceweb.net/board/view/ent_bangtan/22</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-76080263316296438552018-08-29T18:58:00.001-04:002018-08-29T18:58:02.522-04:00How to set up MySQL max connections<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
This shows current max connections for mysql.</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
mysql> show variables like 'max_connections';</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
This shows current used connections for now.</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
mysql> show status like 'Max_used_connections';</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
To check how many connections were aborted. If you see aborted connection, you might need to increase max connection settings.</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
mysql> show status like 'Aborted%';</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
To change max connections:</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
mysql> set global max_connections=300;</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
If you want permanent settings:</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
# vi /etc/my.cnf</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
[mysqld]</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
max_connections = 300</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
You need to restart to make the change of /etc/my.cnf to be effective.</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
service mysqld restart</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
and check it again:</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
mysql> show variables like 'max_connections';</div>
<span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
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</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
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</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
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</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><br style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 0px;" /><br />
<br />
<a href="https://www.twiceweb.net/board/view/software/12" target="_blank">https://www.twiceweb.net/board/view/software/12</a><br />
<br />
<br />Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-32553371402631492682018-08-29T18:57:00.005-04:002018-08-29T18:57:44.942-04:00How to check HTTPS active connections on linux<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
netstat -an | grep :443 | grep ESTABLISHED | wc -l</div>
<span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><br style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 0px;" /><br />
<br />
<br />
<br />
<a href="https://www.twiceweb.net/board/view/software/11" target="_blank">https://www.twiceweb.net/board/view/software/11</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-80639606089242257322018-08-29T18:57:00.003-04:002018-08-29T18:57:28.249-04:00[MySQL] reducing memory usage on cloud server<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
in /etc/mysql/my.cnf</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
[mysqld]</div>
<span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><br />
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
performance_schema=OFF</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<a href="https://www.twiceweb.net/board/view/software/9" target="_blank">https://www.twiceweb.net/board/view/software/9</a></div>
Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-88981908524645503862018-08-29T18:57:00.001-04:002018-08-29T18:57:13.022-04:00how to use crontab [linux]<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
* listing current crontab:</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
crontab -l</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
* editing crontab:</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
crontab -e</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
* example (once every 1st day of month):</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
0 0 1 * * shell_command_here</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
* special strings:</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
string meaning<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
------ -------<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
@reboot Run once, at startup.<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
@yearly Run once a year, "0 0 1 1 *".<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
@annually (same as @yearly)<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
@monthly Run once a month, "0 0 1 * *".<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
@weekly Run once a week, "0 0 * * 0".<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
@daily Run once a day, "0 0 * * *".<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
@midnight (same as @daily)<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
@hourly Run once an hour, "0 * * * *".<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
</div>
<span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
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<a href="https://www.twiceweb.net/board/view/software/8" target="_blank">https://www.twiceweb.net/board/view/software/8</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-55244242922816745142018-08-29T18:56:00.001-04:002018-08-29T18:56:17.805-04:00Vultr Tokyo sysbench performance benchmark result<h2 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 32px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 38.4px; margin: 0px 0px 8px; padding: 0px;">
vultr performance test result (Tokyo region)</h2>
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1 vCPU@2.4GHz</div>
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1GB RAM</div>
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25GB SSD</div>
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1TB traffic</div>
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$5/month</div>
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<br /></div>
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sysbench CPU test : 298 events/s</div>
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sysbench memory : 2850MB/s</div>
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sysbench file I/O :</div>
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read: 21.77MB/s</div>
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write: 14.51MB/s</div>
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<br /></div>
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sysbench mysql</div>
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read-only : 455 transactions/s, 7289 queries/s</div>
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read-write : 149 transactions/s, 2988 queries/s</div>
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write-only : 280.89 transactions/s, 1685 queries/s</div>
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<a href="https://www.twiceweb.net/board/view/computer/28" target="_blank">https://www.twiceweb.net/board/view/computer/28</a></div>
Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-44532670061154010332018-08-29T18:55:00.005-04:002018-08-29T18:55:57.309-04:00how to redirect HTTP to HTTPS on nginx<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
sudo vi /etc/nginx/sites-available/SITEDOMAIN</div>
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server {</div>
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listen <span style="box-sizing: border-box; font-weight: 700; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">80</span> default_server;</div>
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listen [::]:<span style="box-sizing: border-box; font-weight: 700; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">80</span> default_server;</div>
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server_name _;</div>
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return 301 <span style="box-sizing: border-box; font-weight: 700; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">https</span>://$host$request_uri;</div>
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}</div>
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The first listen statement is for HTTP port of IPv4.</div>
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The second listen statement if for HTTP port of IPv6.</div>
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You can redirect from specific domain name as following:</div>
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server_name example.com www.example.com</div>
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</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><br style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 0px;" /><a href="https://www.twiceweb.net/board/view/computer/22" target="_blank">https://www.twiceweb.net/board/view/computer/22</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-64685710707432471522018-08-29T18:55:00.003-04:002018-08-29T18:55:39.286-04:00how to check the file count in a folder (Ubuntu,CentOS,Linux)<br />
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find . -type f | wc -l</div>
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</span><br style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 0px;" /><br style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 0px;" /><br />
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<a href="https://www.twiceweb.net/board/view/computer/21" target="_blank">https://www.twiceweb.net/board/view/computer/21</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-2745840740620470282018-08-29T18:55:00.001-04:002018-08-29T18:55:16.938-04:00how to check disk space usage or free disk space on Ubuntu<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ df -h</div>
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the result:</div>
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Filesystem Size Used Avail Use% Mounted on<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
udev 464M 0 464M 0% /dev<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
tmpfs 99M 664K 98M 1% /run<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
/dev/vda1 25G 4.9G 19G 21% /<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
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</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><br style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 0px;" /><br style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 0px;" /><a href="https://www.twiceweb.net/board/view/computer/20" target="_blank">https://www.twiceweb.net/board/view/computer/20</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-31253713535932784202018-08-29T18:54:00.005-04:002018-08-29T18:54:59.344-04:00how to check ubuntu free memory<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ free -m</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
you see like the following:</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
total used free shared buff/cache available<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
Mem: 985 661 191 1 132 185<br style="box-sizing: border-box; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />
Swap: 0 0 0</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
If you want memory usage and CPU consumption of each process:</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ top</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
or</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ htop</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
htop highlights information with color texts.</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><br />
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<a href="https://www.twiceweb.net/board/view/computer/19" target="_blank">https://www.twiceweb.net/board/view/computer/19</a></div>
Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-50847849111020856032018-08-29T18:54:00.003-04:002018-08-29T18:54:42.605-04:00How to change timezone on Ubuntu 18.x<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
Check current timezone</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ timedatectl</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
Show available timezones</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ timedatectl list-timezone</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
Change timezone</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo timedatectl set-timezone Asia/Seoul</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><br />
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<a href="https://www.twiceweb.net/board/view/computer/18" target="_blank">https://www.twiceweb.net/board/view/computer/18</a></div>
Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-27896910633495729972018-08-29T18:54:00.001-04:002018-08-29T18:54:23.834-04:00how to use ubuntu firewall (ufw) 우분투 방화벽 ufw사용하는 법<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
Warning: If you enable ufw, then the default rule might block everything including your remote terminal connection.</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
기본 규칙 확인하기</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
check the default rule</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ cat /etc/default/ufw</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
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ufw상태확인</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
check ufw status :</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo ufw status verbose</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
기본정책 설정하기 : 기본적으로 들어오는 패킷은 모두 막고, 서버에서 나가는 패킷은 모두 허용합니다.</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
set up default policies</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo ufw default deny incoming</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo ufw default allow outgoing</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
SSH연결 허용하기 (필수. 이 규칙이 없으면 원격터미널연결이 불가능해집니다.)</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
allow SSH connections (you need this rule to connect to your server via remote terminal program)</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo ufw allow ssh</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
or allow port 22 (default ssh port = 22)</div>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo ufw allow 22</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
UFW켜기</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
enable UFW</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo ufw enable</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
UFW상태 확인</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
check ufw status</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo ufw status verbose</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
HTTP허용하기</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
allow HTTP (if you need)</h3>
<div style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(238, 238, 238); border: 1px solid rgb(204, 204, 204); box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin: 0px; padding: 5px 10px;">
$ sudo ufw allow http</div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
or</div>
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$ sudo ufw allow 80</div>
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<br /></div>
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<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
HTTPS허용하기</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
allow HTTPS (if you need)</h3>
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$ sudo ufw allow https</div>
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or</div>
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$ sudo ufw allow 443</div>
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<br /></div>
<div style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; margin-bottom: 16px; padding: 0px;">
<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
포트범위 허용하기</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
allow specific port ranges (ex. 3000~3003 TCP port)</h3>
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$ sudo ufw allow 3000:3003/tcp</div>
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<br /></div>
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<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
IP주소 허용하기</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
allow specific IP address</h3>
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$ sudo ufw allow from 11.12.13.14</div>
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IP & port allow rule:</div>
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$ sudo ufw allow from 11.12.13.14 to any port 22</div>
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<br /></div>
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<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
서브넷 허용하기</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
allow subnets (ex. 11.12.13.1 ~ 11.12.13.254)</h3>
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$ sudo ufw allow from 11.12.13.0/24</div>
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<br /></div>
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<br /></div>
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연결 막기</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
deny connections</h3>
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$ sudo ufw deny ftp</div>
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or deny port 21</div>
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$ sudo ufw deny 21</div>
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or deny ip address</div>
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$ sudo ufw deny from 11.12.13.14</div>
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<br /></div>
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<br /></div>
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방화벽규칙번호 확인</h3>
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list firewall rule number</h3>
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$ sudo ufw status numbered</div>
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<br /></div>
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<br /></div>
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번호로 방화벽규칙 삭제</h3>
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delete ufw rule by rule number (ex. delete ufw rule number 2)</h3>
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$ sudo ufw delete 2</div>
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<br /></div>
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<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
내용으로 방화벽규칙 삭제</h3>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
delete ufw rule by actual rule</h3>
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$ sudo ufw delete allow http</div>
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<br /></div>
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<br /></div>
<h3 style="box-sizing: border-box; color: #212529; font-family: verdana, sans-serif; font-size: 28px; font-variant-east-asian: normal; font-variant-numeric: normal; font-weight: 400; line-height: 33.6px; margin: 0px 0px 8px; padding: 0px;">
UFW방화벽 끄기</h3>
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disable UFW firewall</h3>
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$ sudo ufw disable</div>
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<br /></div>
<span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
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</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
</span><span style="color: #212529; font-family: verdana, sans-serif; font-size: 14px; font-variant-east-asian: normal; font-variant-numeric: normal; word-wrap: break-word;">
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<a href="https://www.twiceweb.net/board/view/computer/17" target="_blank">https://www.twiceweb.net/board/view/computer/17</a></div>
Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-30640542225171189432018-08-29T18:14:00.003-04:002018-08-29T18:14:36.771-04:00Vultr Tokyo sysbench performance benchmark result<h2 style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); -webkit-text-size-adjust: 100%; box-sizing: border-box; caret-color: rgb(33, 37, 41); color: #212529; font-family: verdana, sans-serif; font-size: 2rem; font-weight: 400; line-height: 1.2; margin: 0px 0px 0.5rem; padding: 0px;">
vultr performance test result (Tokyo region)</h2>
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1 vCPU@2.4GHz</div>
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1GB RAM</div>
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25GB SSD</div>
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1TB traffic</div>
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$5/month</div>
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sysbench CPU test : 298 events/s</div>
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sysbench memory : 2850MB/s</div>
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sysbench file I/O :</div>
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read: 21.77MB/s</div>
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write: 14.51MB/s</div>
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sysbench mysql</div>
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read-only : 455 transactions/s, 7289 queries/s</div>
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read-write : 149 transactions/s, 2988 queries/s</div>
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write-only : 280.89 transactions/s, 1685 queries/s</div>
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<a href="https://www.twiceweb.net/board/view/computer/28" target="_blank">https://www.twiceweb.net/board/view/computer/28</a></div>
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Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-1057935063221380092017-10-08T22:42:00.003-04:002018-08-29T18:13:05.583-04:00twiceweb.net : fun site<a href="https://www.twiceweb.net/" target="_blank">https://www.twiceweb.net</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-18996929703970091392017-09-23T22:24:00.001-04:002017-09-23T22:24:36.835-04:00Talkboard android app<a data-cke-saved-href="https://play.google.com/store/apps/details?id=kr.twiceweb.talkboard" href="https://play.google.com/store/apps/details?id=kr.twiceweb.talkboard">https://play.google.com/store/apps/details?id=kr.twiceweb.talkboard</a><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxpBdhBpC6T_ZiEcZX7rL0m-pJzMGcZ2YMxeCNhuxpsqN4vriEOrURMU9MT4n9SXN6bTgdV2Wqve3Mgt6b6Q0c8N_mIOjOH6A8AlOutUIgj1YWLB8AyfvPhyphenhyphenCi-6c-lYjFiec9F-OZnNsw/s1600/246549.jpg" imageanchor="1"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxpBdhBpC6T_ZiEcZX7rL0m-pJzMGcZ2YMxeCNhuxpsqN4vriEOrURMU9MT4n9SXN6bTgdV2Wqve3Mgt6b6Q0c8N_mIOjOH6A8AlOutUIgj1YWLB8AyfvPhyphenhyphenCi-6c-lYjFiec9F-OZnNsw/s320/246549.jpg" width="180" /></a><br />
anonymous talk appUnknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-12195673418376286622015-12-10T08:55:00.003-05:002015-12-10T08:56:58.034-05:00BetaRunner 1.13 for iOS, Android has been released.<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxNsZZHjezEQeaoy78yu3vXhM66Q6Dzsw4MglHmnvmXPFMadXfy8NqOQhFBWN_450CMKTpInAgBOcPO2iJ9POf_llzyZOIi69SDXarElOMH5kMo_hcGPp8iUaYhWZBeEAso09o0oLMAWTc/s1600/3_5inch.png" imageanchor="1"><img border="0" height="213" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxNsZZHjezEQeaoy78yu3vXhM66Q6Dzsw4MglHmnvmXPFMadXfy8NqOQhFBWN_450CMKTpInAgBOcPO2iJ9POf_llzyZOIi69SDXarElOMH5kMo_hcGPp8iUaYhWZBeEAso09o0oLMAWTc/s320/3_5inch.png" width="320" /></a><br />
added a new map, "Kyoto".Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-52761421911206728332015-07-30T23:24:00.002-04:002015-07-30T23:24:58.798-04:00BlankPage app for iOS and Android provides Pencil Drawing Filter.<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJvRWjJzwDPJyBGzonccH7kTr__LTeAN_iLMs2RW3GSGtF833HKnAnK25r97FwABcrIGoGLUvMZb4EmUSgWMviJvg_lcQmY0XYDd6WDgcjnr4vTkmOgIY9W7oxtf3T0ZZqWzv7uy5M56r3/s1600/image.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJvRWjJzwDPJyBGzonccH7kTr__LTeAN_iLMs2RW3GSGtF833HKnAnK25r97FwABcrIGoGLUvMZb4EmUSgWMviJvg_lcQmY0XYDd6WDgcjnr4vTkmOgIY9W7oxtf3T0ZZqWzv7uy5M56r3/s320/image.jpg" width="240" /></a></div>
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<br />Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-73430954883271317452015-07-14T10:23:00.001-04:002015-07-28T10:36:30.382-04:00BetaRunner has been released in Android Playstore.<a href="https://play.google.com/store/apps/details?id=com.softelf.alpharun">https://play.google.com/store/apps/details?id=com.softelf.alpharun</a><br />
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<br />Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-36962406571435393412015-07-02T10:03:00.002-04:002015-07-02T10:17:41.226-04:00DCMetroGo new version app is going to be released.* silver line has been updated.<br />
<br />
* hardware acceleration is used for drawing.<br />
<br />
<a href="https://play.google.com/store/apps/details?id=com.softelf.dcmetrogo2">https://play.google.com/store/apps/details?id=com.softelf.dcmetrogo2</a>Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-20998630100582298002014-05-08T11:22:00.002-04:002014-05-08T11:22:44.728-04:00CubPic has been released for AndroidUse CubPic to draw pictures with 3D cubes.<br />
<br />
It supports 64 colors and an eraser.<br />
<br />
Enjoy this toy.Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-10637604523419521442012-05-04T19:35:00.003-04:002012-05-04T19:35:51.122-04:00BlankPage - Pixels for iPad & iPhone has been released.create your own pixel art!Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-61721951644407132882012-04-29T11:26:00.001-04:002012-04-29T11:26:32.603-04:00BlankPage for Android 1.5 has been released.line drawing performance optimization.Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-45130604229415832612012-01-21T09:18:00.002-05:002012-01-21T09:18:06.568-05:00FreeShotHD 2.0 has been releasednew backgrounds<br />
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<br />Unknownnoreply@blogger.comtag:blogger.com,1999:blog-1643513545788232198.post-24370955883855756252011-11-24T08:43:00.001-05:002011-11-24T08:43:34.292-05:00BlankPage 1.5<div class="separator" style="clear: both; text-align: center;">
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