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Server Administration

Migrate MySQL Database with Myisam engine to MariaDB Galera Cluster
Recently we have been facing higher load on our mysql servers and we decided to ...
Calculate size of Mysql databases with SQL command
Here is SQL command you should use, when you need to calculate size of databases...
How to install Varnish with CPanel and CentOS to cache static content on server
There are few things you need to do to install Varnish with Cpanel (WHM): 1. Let...
rm and the 'Argument list too long' error message
If you have in directory more than 1024 files and you wish to delete them all at...
SVN not working
If SVN stops working with error: Authorization failed svn: OPTIONS of 'https://s...
demo functionality check script
you need this demoLogin.php script: <?php require_once '../api/PapApi.class.p...
How to identify account with highest load on your server
Often server administrators have problems to identify, which account is generati...
Overview
Not all problems are related to Quality Unit products. Some problems are caused ...
Why I'm not able to dump database and get error: File size limit exceeded ?
Your system administrator must have imposed limitation on youraccount for file ...
How to whitelist IP from server firewall
To whitelist this on the other servers you can run the command: apf -a 72.52.19...