linux basics

The shutdown, poweroff and reboot commands are the most important power cycle commands in Linux. These commands are…

The very first task that any Linux administrator performs when a user says unable to login to the system. Yes, to…

As a Linux system administrator, one of the primary responsibility is to manage the users and groups on Linux…

Linux administrators often receive requests to create users in Linux unless the organization uses LDAP and also to…

The sudo (substitute user do or superuser do) command is a program that allows users to run commands as another…

If you are a Linux system admin who administers Linux servers, you are very frequently asked to create users in…

Screen (GNU Screen) is a full-screen window manager that multiplexes a physical terminal. In simple words, it is a…

Advanced Package Tool (APT) is a powerful and free software package-management user interface in Debian based…

Yellowdog Updater, Modified (yum) is an open source package-management utility in Redhat based operating…