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Check length of string in bash
Quick Tip

How to Find Length of String in Bash [Quick Tip]

Here are various ways to calculate the length of a string in bash scripts.

ยท Abhishek Prakash

Display file attributes in Linux command line
Quick Tip

How to Display File Size in Human Readable Format (KB, MB, GB) in Linux Terminal

Quick tip to display file size in Linux using the ls command.

ยท Abhishek Prakash

How to Install Matrix Synapse Homeserver Using Docker
Tutorial

How to Install Matrix Synapse Homeserver Using Docker

This step-by-step tutorial will help you install your own Matrix homeserver for real-time communication with your friends, family or team members.

ยท Debdut Chakraborty

Update Debian Linux
Tips

How to Update Debian Linux

Learn to update Debian Linux system in one single command. Yes, it's that easy and straightforward.

ยท Abhishek Prakash

Which Linux
System Info

How to Find Which Linux Version You Are Running

Logged in on a Linux system via SSH and wondering which Linux distribution is it? Here's how to check the Linux version.

ยท Abhishek Prakash

fsck command
Disk Management

fsck Command Examples

Linux systems come with a command line utility fsck to check for file system errors. Learn how to use it.

ยท Christopher Murray

How to Display Specific Lines of a File in Linux Command Line
Tips

How to Display Specific Lines of a File in Linux Command Line

Here are several ways to display specific lines of a file in Linux command line.

ยท Abhishek Prakash

ln Command Examples
Basic File Commands

ln Command Examples

Links are one of the essential part of the Linux filesystem. Learn how to create links using ln command in this tutorial.

ยท Abhishek Prakash

change SSH port
SSH Basics

How to Change the Default SSH Port in Linux [Properly and Safely]

Changing the default SSH port is one of the several ways to enhance SSH server security. Learn how to do it properly and safely.

ยท Abhishek Prakash

How to List Systemd Services in Linux
Tips

How to List Systemd Services in Linux

Check what systemd services run on your Linux system in this tutorial.

ยท Abhishek Prakash

Explained! The Difference Between grep, egrep, and fgrep Commands
Explain

Explained! The Difference Between grep, egrep, and fgrep Commands

grep, egrep, fgrep. They all sound similar. So, what's the difference?

ยท Christopher Murray

What is Grep Command in Linux? Why is it Used and How Does it Work?
Explain

What is Grep Command in Linux? Why is it Used and How Does it Work?

Grep is perhaps one of the most used commands in Linux. Learn why it was created and how it s used in this explainer article.

ยท Christopher Murray

List Docker containers
Docker Tutorials

How to List Docker Containers

Learn how to see running containers, stopped containers or all the docker containers on your system.

ยท Abhishek Prakash

Beginner's Guide to Analyzing Logs in Linux With journalctl Command
Commands

Beginner's Guide to Analyzing Logs in Linux With journalctl Command

Beginner's guide to using journalctl commands for viewing, filtering and analyzing journal logs in Linux.

ยท Abhishek Prakash

id Command Examples
User Identification

id Command Examples

Every user in Linux has a unique, numeric user ID and a default group with a unique numeric group ID. The id command prints this information.

ยท Abhishek Prakash

mkfs Command Examples
Disk Management

mkfs Command Examples

mkfs is the command line tool in Linux to format a disk or partition in a certain filesystem of your choice.

ยท Christopher Murray

How to Install and Use Docker Compose on CentOS
Docker Tutorials

How to Install and Use Docker Compose on CentOS

With Docker Compose, you can easily deploy a complicated container settings. In this tutorial, you'll learn how to easily install Docker Compose using PIP. You'll also see a sample tutorial showing the benefits of Docker Compose.

ยท Debdut Chakraborty

Fixing "HTTP Basic: Access Denied" and "Fatal Authentication Failure" Error With GitLab
Troubleshooting

Fixing "HTTP Basic: Access Denied" and "Fatal Authentication Failure" Error With GitLab

Trying to push code changes to remote GitLab repository but it generates authentication error? Here's why it happens and how to fix it.

ยท Abhishek Prakash

How to Install Docker on CentOS
Docker Tutorials

How to Install Docker on CentOS

Docker is not available in CentOS repositories. Here's a step-by-step tutorial that will help you install Docker on CentOS Linux.

ยท Debdut Chakraborty

How to Replace All Occurrences of a Word in All Files in Linux Command Line
Quick Tip

How to Replace All Occurrences of a Word in All Files in Linux Command Line

Consider a scenario where you have to find all occurrences of a certain text and then replace it with another in all the files. Here's how to do that in Linux command line.

ยท Abhishek Prakash

passwd command examples in Linux
User Account Management

passwd Command Examples

The passwd command in Linux allows you to change user password, lock accounts, expire passwords and more. Learn how to use the passwd command with practical examples.

ยท Christopher Murray

securing SSH server
SSH Advanced

10 Actionable SSH Hardening Tips to Secure Your Linux Server

Worried about the security of your Linux server? Learn some easy to implement tips on securing SSH and make your Linux server more secure.

ยท Abhishek Prakash