Background On a heavy loaded WordPress server you might experience the following when looking at iotop. Heavy writes. Additional graphing of the disk’s writes might
Kopano servers need memory optimization. There is an entire chapter written about it here: https://documentation.kopano.io/kopanocore_administrator_manual/performance_tuning.html Unfortunately Kopano open source is dead and they left their
Example: mysql> optimize table wp_actionscheduler_actions; +——————————————-+———-+———-+——————————————————————-+ | Table
Background You might find on a MySQL 8.x or MariaDB 10.4 server that suddenly disk space just evaporates. After using ncdu you see the problem
Background A fairly complex server has been misbehaving. This has been ongoing for a few weeks. The problem was been hard to isolate because the
Background When installing Virtualmin, the system will prompt for small, medium, large and huge. The question is how are these parameters defined? By examining the
Working servers suddenly start giving the error below when restoring a MySQL database that contains datetime fields with 0000-00-00 defaults: user@server:/tmp# mysql -uuser -ppassword database_name
Background On a legacy server with an older version of MariaDB, restoring to a newer Virtualmin server that run MySQL 8 might be problematic. The
WHMCS has a requirement of MySQL Strict Mode. The official documentation provides instructions on how to do this with WHM/cPanel. This article documents the process
How to run a MySQL query using the command line: Use -e to execute the command. Here is what that will look like: mysql -u
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