Running a nightly backup script on a server system, such as a web hosting server, can result in a heavy…

In this short article, I explain how to disable IPv6 in the Debian 10 network stack. Why would one want…

The following command can be used to check and repair all MySQL databases on a Ubuntu or Debian Linux System.…

JPEG is a lossy compression file format for digital images. It can greatly reduce the amount of storage space used…

The ps command in Linux, as you might already know, is one of the most frequently used command-line tools. For…

When you get the error message "system-config-firewall: command not found" on your CentOS Server while trying to configure the firewall…

The current status of a Linux software raid is written to the virtual file /proc/mdstat. You can view the status…

If a process is shown with process state "D" in tools like ps or top, then it's an uninterruptable process.…

This short tutorial describes the steps to optimize the performance of a MySQL database with the mysqltuner script. This tool…

Sometimes you might want to block connects to your server by IP address. E.g. when someone tries to attack your…