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List users in Linux
Tips

3 Ways to List Users in Linux

As a sysadmin, you'll often need to list all the users on your Linux system. Learn how to list all users in the Linux command line.

ยท Helder

chmod Command Examples
File Properties Commands

chmod Command Examples

This article will teach you how to change permissions in Linux with practical examples of chmod command.

ยท Eric Simard

lsof command in Linux
Commands

7 Examples of lsof command in Linux

This article teaches you how to list opened files by a user or a process by using the lsof command in Linux. ๏ปฟ

ยท Abhishek Prakash

frozen Linux system
Tips

Frozen Linux System? Here are 3 Ways to Deal With It

So, you've got an unresponsive Linux system? Here are various ways to deal with a frozen Linux system.

ยท Eric Simard

disable selinux
Tips

What is SELinux? Why You May Want to Disable it?

This tutorial shows how to disable SELinux in CentOS and other Linux Distributions. You'll also learn the basic information about what is SELinux and why you should try to avoid disabling it.

ยท seeni

Ping command in Linux
Host Information Commands

ping Command Examples

Here are some of the most common usages of ping command in Linux along with their explanation.

ยท Abhishek Prakash

Using Linux Sleep Command in Bash Scripts
Commands

Using Linux Sleep Command in Bash Scripts

This tutorial shows you how to use sleep commands and its various options in bash scripts.

ยท Abhishek Prakash

Run Linux shell commands in Python
Python

Executing Shell Commands with Python

A sysadmin would need to execute shell commands in Python scripts. Learn how to execute shell commands in Python.

ยท Abhishek Prakash

Getting Started with Emacs: The One Page Guide
Guides

Getting Started with Emacs: The One Page Guide

Struggling with Emacs? This detailed guide gives you enough information about Emacs commands so that you can start using Emacs editor smoothly.

ยท Eric Simard

6 Different Ways to List Hard Drives in Linux
System Info

6 Different Ways to List Hard Drives in Linux

This detailed guide will give you enough information to start using Emacs, and enough extra to make you want more.

ยท Helder

tee Command Examples
File Manipulation Commands

tee Command Examples

If you want to display the output of a command and save it to a file simultaneously, tee command is what you need. Learn various ways of using tee command in Linux.

ยท Abhishek Prakash

How to Remove Files and Directories in Linux Command Line [Beginner's Tutorial]
Tips

How to Remove Files and Directories in Linux Command Line [Beginner's Tutorial]

Learn how to delete files and remove directories with rm command in Linux.

ยท Abhishek Prakash

Linux servers
Tips

How to Ping a Specific Port Number

This quick tutorial shows you various methods to ping a specific port of a remote server.๏ปฟ

ยท Abhishek Prakash

5 Ways to Check CPU Info in Linux
System Info

5 Ways to Check CPU Info in Linux

Here are multiple ways you can get CPU information in Linux command line. You can get processor information like the number of real cores, logical cores, hyperthreading, CPU frequency etc.

ยท Abhishek Prakash

SSH
Tutorial

Installing and Configuring OpenSSH on Ubuntu and Debian-based Distributions

Here's how to enable SSH on Ubuntu and Debian based Linux distributions. Also learn how to properly configure the SSH daemon on a Linux server to allow remote logins.

ยท seeni

curl Command Examples
Network Connection Commands

curl Command Examples

Learn some essential and some pro tips and tricks about using the Curl command in Linux.

ยท seeni

How to Extract or Unzip tar.xz File in Linux
Tips

How to Extract or Unzip tar.xz File in Linux

Learn how to unzip tar.xz file in Linux terminal. Also learn what are tar and xz files.๏ปฟ

ยท Abhishek Prakash

Linux command line
Basic File Commands

mv Command Examples

mv command in Linux is used for moving and renaming files and directories. In this tutorial, youโ€™ll learn some of the essential usages of the mv command.

ยท Abhishek Prakash

Check the Mail Queue in WordPress and Delete it
Troubleshooting

Check the Mail Queue in WordPress and Delete it

If your WordPress website is sending too many spam emails, check your server's mail queue and delete the pending emails from there. Here's how to do that.

ยท Abhishek Prakash

Getting Started With SSH in Linux
SSH Basics

Getting Started With SSH in Linux

This tutorial aims to provide you with some basic knowledge about setting up and using ssh to interact with remote systems.

ยท seeni

scp command
Network Connection Commands

scp Command Examples

Here are some practical and essential scp command example to show how to securely copy files between remote Linux systems.

ยท Abhishek Prakash

cp Command Examples
Basic File Commands

cp Command Examples

cp command in Linux is used for copying files and directories. In this tutorial, you'll learn some of the essential usages of the cp command.

ยท Abhishek Prakash

Shutdown Linux
Commands

Linux Shutdown Command: 5 Practical Examples

The shutdown command in Linux allows you to shut down, reboot or schedule a shutdown of your system. This article explains the most common and useful examples of the Linux shutdown command.

ยท Abhishek Prakash

Install Ansible
DevOps

How to Install Ansible on Ubuntu and Other Linux Distributions

Learn to install Ansible on Linux in clear and precise steps. The tutorial is valid for Ubuntu, Debian, CentOS, Red Hat, SUSE etc.

ยท LHB Community

Check CentOS version
Tips

4 Ways to Check CentOS Version in Linux Command Line

Here are several ways you can check the version of CentOS Linux distribution running on your machine.

ยท LHB Community

cd command
Directory Operation Commands

cd Command Examples

Learn to use cd command to its full potential in Linux with these practical examples.

ยท Abhishek Prakash

How to Create a Sudo User on Ubuntu and Debian
Tips

How to Create a Sudo User on Ubuntu and Debian

This article shows you the steps to create a sudo user in Ubuntu and other Debian-based Linux distributions.

ยท Abhishek Prakash

Fix Permission denied (publickey) SSH Error in Linux
SSH Troubleshoot

Fix Permission denied (publickey) SSH Error in Linux

This quick tutorial shows you how to fix ssh error "sign_and_send_pubkey: signing failed: agent refused operation Permission denied (publickey)" on Linux.

ยท Abhishek Prakash

DRBD in Linux
DevOps

How to Install DRBD on CentOS Linux

This step-by-step tutorial demonstrates how to install Distributed Replicated Block Device (DRBD) on CentOS Linux.

ยท LHB Community

ls command in Linux
File Commands

ls Command Examples

The ls command in Linux is one of the most used commands. But most people don't utilize its full potential. Check out the basics as well as advanced ls command examples in Linux.

ยท Sylvain Leroux