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2DayGeek: This quick article shows you how to remove physical volume from a volume group in LVM.

2DayGeek: Basic 25 Linux Interview Questions and Answers.

It’s very difficult to give instruction or administrate when students are seated in a computer lab. To overcome this problem and get attention from everyone, you need to use the right lab management applications to suit your needs. This quick article shows you how to manage or monitor the Linux computer lab using the epoptes tool.

This quick article helps users learn how to create an user without a password on Linux.

It is the responsibility of the Linux administrator to keep the system secure and prevent any attacks. To do so, there are hundreds of tweaks that a Linux administrator can make and CSF is one of them. The CSF Firewall will add additional layers of security to the Linux system.

Package managers play a key role in the Linux system. They allow you to install, update, view, search and delete software packages to suit your needs. Each of the distributions has their own set of package managers and use them based on your Linux distributions.

By default when you set up the server you will configure the primary network interface. This is part of the build work that everyone does. Sometimes you may need to configure an additional network interface for several reasons. This quick tutorial shows you about network interface card information.

This tutorial allows you to run PHP, Python and Perl scripts using the cron job.

You may know that everything is a file on Linux, including a hard disk, graphics card, USB, etc. Linux uses color code to distinguish file types. This tutorial helps you learn about color coding of Linux files.

2DayGeek: This tutorial helps you to configure disk quota in Linux.

2DayGeek: Learn how to use the rsync and scp commands in reverse mode on Linux.

Nowadays most Linux administrators only use front-ent package managers such as YUM Package Manager or DNF Package Manager on Fedora and RHEL-based systems. But sometimes you may need to use RPM Package Manager because the required package is not available in your repository or the application developer may only provide the rpm package.

2DayGeek: The netstat and ss commands allow you to find a list of open ports on a Linux system.

The user will only change the password on some of the servers they use, and they won’t change the password on the servers they don’t use often. To avoid this situation, we have created a shell script that sends you a list of user accounts that expire within 10 days.

Most of us are not familiar with the Htop Command because most of the time we use the top command to keep track of Linux system performance. But htop is a great alternative to the top command, which has many features and options compared to the top command.

PHP is the most popular open-source general-purpose scripting language and is widely used for web development. It’s part of the LAMP stack application suite and is used to create dynamic websites. Here's a simple way to install the latest PHP 7 on CentOS/RHEL 7 and 6 systems.

The easiest way to get Linux system hardware information.

2DayGeek: Multiple ways to view/read archived file contents on Linux.

Two scripts are included in this tutorial, which helps you to identify how long the high CPU/memory consumption processes are running on Linux. The script will show you the process ID, the owner of the process, the name of the process and how long the processes are running.

Best Linux File Compression and Archive Tools.