Configure Automatic Updates with yum-cron on CentOS 7
Regularly updating your CentOS system is one of the most important aspects of overall system security. In this tutorial we will go through the process of configuring automatic updates on CentOS 7.
How to Compare Strings in Bash
When writing Bash scripts you will often need to compare two strings to check if they are equal or not. Two strings are equal when they have the same length and contain the same sequence of characters.
How to Clear (Flush) the DNS Cache
DNS cache is a temporary database that stores information about previous DNS lookups. This guide provides instructions on how to flush your DNS cache on different operating systems and web browsers.
How to Copy Files and Directories in Linux
Copying files and directories is one of the most common tasks you’ll perform when working on the command line. In Linux, there are several commands for copying files with cp and rsync being the most widely used tools.