Any device connected to a network gets assigned an IP address that allows other devices in the network to locate and communicate with it. Typically, an IP address gets assigned by the DHCP server on a router. A DHCP server assigns any available IP address to the connected network. That means the IP address of […]

In Linux, linking is a powerful concept. A symbolic link is a file that refers to a different file or directory. The link itself doesn’t contain any data of the original file. It simply points to the location of the original file, be it in the same filesystem, different filesystem, or a remote filesystem. In […]

Yellowdog Updater Modified or Yum for short is a package management tool for RPM packages. It is popular in the REHL family of Linux distributions, including CentOS and Fedora. Thus, you can think of yum as a bootstrap for RPM package manager. Like popular package managers, Yum works via repositories that contain collections of tools […]

Whether you are a seasoned system administrator or a new Linux user, service management is one of the fundamental operations you will have to carry out. Hence, having a firm grasp of how services work and how to manage them is a great advantage. This tutorial walks you through the basics of service management in […]

I can bet that we are all familiar with sudo. It is a utility available in most Linux distributions and being adopted by those that haven’t implement it yet. Therefore, if you are a regular Linux user, sudo is a must-use tool. Sudo is a Unix utility that allows trusted users to run commands with […]