Operating System

How can I send a messages to logged on users in a Linux server? If you are asking this question, then this guide will help you learn how to do... Read more

In this tutorial, we will be discussing how to restrict SFTP users to their home directories or specific directories. It means the user can only access his/her respective home directory,... Read more

The Linux “tar” stands for tape archive, which is used by large number of Linux/Unix system administrators to deal with tape drives backup. The tar command used to rip a... Read more

The Linux Find Command is one of the most important and much used command in Linux sytems. Find command used to search and locate list of files and directories based... Read more

Wildcards (also referred to as meta characters) are symbols or special characters that represent other characters. You can use them with any command such as ls command or rm command... Read more

In Unix/Linux distributions, the command ‘usermod‘ is used to modify or change any attributes of a already created user account via command line. The command ‘usermod‘ is similar to that... Read more

Continuing the last conversation from 11 Lesser Known Useful Linux Commands – Part I here in this article we will be focusing on other lesser known Linux commands, that will... Read more

In this article, we will explain cron and anacron and also shows you how to setup anacron on Linux. We will as well cover a comparison of these two utilities.... Read more

On the internet you will find plenty of tools for checking disk space utilization in Linux. However, Linux has a strong built in utility called ‘df‘. The ‘df‘ command stand... Read more

fping is a small command line tool to send ICMP (Internet Control Message Protocol) echo request to network hosts, similar to ping, but much higher performing when pinging multiple hosts.... Read more