Cannot change user password in Linux because of Authentication Token Manipulation Error? Here are the possible reasons why it happens and how you can fix it.
A quick tip that shows how to restart Apache server in Ubuntu and other Linux distributions.
ps command in Linux is used for getting information about running processes. Here are some useful examples of the complicated and extensive ps command.
Learn to install Vim on Ubuntu Linux. Also learn to make Vim the default text editor in Ubuntu and Debian based distributions.
By default, you cannot run an aliased command with sudo. Don’t worry. With this neat little tip, you’ll be able to run any alias with sudo access in Linux.
If you are working on a Bash script that interacts with files and directories, you might encounter a situation where you need to make sure that the file or directory exists. This tutorial teaches you how to do that.
Learn how to clear swap in Linux without losing any important data. Also learn why would you clear the swap manually.
A useful collection of Vim cheat sheets to help you learn Vim editor faster. You can use them and download them for free.
Wondering how much swap your system has and how much swap is in use? Here’s how to check swap usage in Linux.