Linux Commands

Did you know we can identify the operating system using TTL (time-to-live) value and Ping command? YES, we can detect remote OS based on the TTL.

This brief tutorial explains three different ways to auto logout inactive users after a…

In Bash shell scripting, functions are ways to group the set of instructions together…

Ever wondered how long have you been using the Linux OS without reinstall? Read on to find exact installation date and time of your Linux OS.

This brief tutorial shows how to find and remove all packages installed on a certain date and time in Linux.

This guide explains about bash variables and its types in shell scripting with examples in Linux.

This guide explains how to setup Chrooted SFTP in Linux in order to restrict…

Alien is a command line program that converts between different Linux package formats such as Red Hat rpm, Debian deb, Stampede slp, Slackware tgz, and Solaris pkg etc.

This guide explains how to solve initramfs error in Fedora by manually repairing the file systems using fsck command.

This guide explains what is bash echo command and its usage in scripts with examples.