What is Subshell in Linux?
You might have heard that a shell script runs in its own shell. Learn more on the concept of subshell in Linux.
· Abhishek Prakash
What is Login Shell in Linux?
You probably are aware of the shell in Linux. This is where you enter commands and execute programs. But what is this login shell and how is it different from the regular shell?
· Abhishek Prakash
LHB Digest #21.02: Uptime Monitoring, Terminal Shortcuts, Linux Commands Tips and More
· Abhishek Prakash
LHB Digest #21.01: Docker Notify, Ansible e-book and Planned Improvements for 2021
· Abhishek Prakash
Using Bash printf Command for Printing Formatted Outputs
You may print simple outputs with echo command but that's not enough for complicated formatted outputs.
· Abhishek Prakash
How to List Only Directories in Linux
Listing the contents of a directory is easy. But what if you want to list only the directories, not files and links?
· Abhishek Prakash
Process Substitution: An Uncommon but Advanced Way for Input/Output Redirection in Linux
Multiple commands and input/output redirections can be effectively used with bash process substitution.
· Abhishek Prakash
Automatically Logout Inactive Users From Linux System
Here are two ways you can automatically log out idle users from your Linux system.
· Abhishek Prakash
Deploying Talkyard Forum Under Nginx With Docker
Deploying Talkyard forum is a tricky task. Follow this hybrid docker approach to deploy Talkyard on a server with other web-services.
· Abhishek Prakash
How to Install Docker Compose on Ubuntu
Here are two ways to install Docker Compose on Ubuntu.
· Abhishek Prakash
Fixing Broken Pipe Error With SSH Connection
SSH connection getting disconnected due to inactivity? Here's how to handle it.
· Abhishek Prakash
Handling "System has not been booted with systemd as init system" Error
Learn how to fix "System has not been booted with systemd as init system (PID 1). Can't operate." with Ubuntu Linux on WSL.
· Abhishek Prakash
Top Free Linux Cloud Servers to Test or Host Your Web Applications
You can try Linux cloud server platforms for free. Here's how!
· Abhishek Prakash
![How to Shutdown Ubuntu Server [Beginner's Tip]](/content/images/size/w30/format/avif/2020/10/shutdown-ubuntu-server-1.png)
How to Shutdown Ubuntu Server [Beginner's Tip]
Here are various ways you can shut down Ubuntu system from the terminal.
· Abhishek Prakash
How to Colorize Diff Output for Better View
Get a better look at the diff output with the colored output. The colorized diff makes it easier to distinguish the changes.
· Abhishek Prakash
How to Install ifconfig on Debian
Seeing ifconfig command not found error in Debian? Here's how to install ifconfig command on Debian.
· Abhishek Prakash
How to Check if Linux System is Running on Physical System or Virtual Machine?
Wondering if your Linux server is a virtual machine or a physical system? Here's how to check it.
· Abhishek Prakash
How to Find Length of String in Bash [Quick Tip]
Here are various ways to calculate the length of a string in bash scripts.
· Abhishek Prakash
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.
· Abhishek Prakash
How to Update Debian Linux
Learn to update Debian Linux system in one single command. Yes, it's that easy and straightforward.
· Abhishek Prakash
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.
· Abhishek Prakash
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.
· Abhishek Prakash
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.
· Abhishek Prakash
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.
· Abhishek Prakash
How to List Systemd Services in Linux
Check what systemd services run on your Linux system in this tutorial.
· Abhishek Prakash
How to List Docker Containers
Learn how to see running containers, stopped containers or all the docker containers on your system.
· Abhishek Prakash
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.
· Abhishek Prakash
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.
· Abhishek Prakash
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.
· Abhishek Prakash
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.
· Abhishek Prakash