How to Disable Shutdown and Reboot Commands in Linux

The shutdown command schedules a time for a Linux system to be powered down, it may as well be used to halt, power-off or reboot the machine when invoked with... Read more

5 Command Line Tools to Find Files Quickly in Linux

Searching or finding files on a Linux system from the terminal can be a little of a challenge especially for newbies. However, there are several command line tools/utilities for locating... Read more

10 ‘who’ Command Examples for Linux Newbies

In our earlier article, we have explained 11 ways to find user account info and login details in Linux. One of the various commands we mentioned was the who command... Read more

How to Save Command Output to a File in Linux

There are many things you can do with the output of a command in Linux. You can assign the output of a command to a variable, send it to another... Read more

How to Use ‘Yum History’ to Find Out Installed or Removed Packages Info

YUM is an interactive, rpm based, high level package manager for RHEL/CentOS systems, it enables users to install new packages, remove/erase old/unwanted packages. It can automatically run system updates and... Read more

How to Test Website Loading Speed in Linux Terminal

A website response time can have a great impact on user experience, and if you are a web developer, or simply a server administrator who is particularly responsible for organizing... Read more

5 Useful Tools to Remember Linux Commands Forever

There are thousands of tools, utilities, and programs that come pre-installed on a Linux system. You can run them from a terminal window or virtual console as commands via a... Read more

How to Compress and Decompress a .bz2 File in Linux

To compress a file(s), is to significantly decrease the size of the file(s) by encoding data in the file(s) using less bits, and it is normally a useful practice during... Read more

Let Sudo Insult You When You Enter Incorrect Password

Sudoers is the default sudo security policy plugin in Linux, however, experienced system administrators can specify a custom security policy as well as input and output logging plugins. It is... Read more

How to Upgrade to Ubuntu 12.04 (Precise)

How to Upgrade to Ubuntu 12.04 (Precise) Deprecated This guide has been deprecated and is no longer being maintained. Ubuntu 12.04 is a long-term support (LTS) release that will be... Read more