Bash Wait Command
The wait command in bash is a process management command that waits for the specified process running in…
Linux Tail Command (With Examples)
The tail command is native to Unix-like operating systems, BSD and FreeDOS. It is even now ported to…
OpenSSL Command Cheatsheet & Real World Examples
OpenSSL is a set of crypto and hash tools that can be used to encrypt data and verify…
How to Set Up SSH Keys on Ubuntu 22.04
The Secure Shell or better known as SSH is the most used method to admin remote servers. It’s…
How to Use the SSH Config File
The SSH Config File is a text file that contains configuration information for your SSH client, such as…
What is /dev/null in Linux and How to Use It
The null device in Unix systems is /dev/null. Its purpose is to immediately discard anything sent to it.…
Bash Append to File
There are various ways to append text to a file in bash. In computing, append means to add…
How to Set Up Passwordless SSH Login With SSH Keys
Many novice users to Linux are surprised to learn that the most secure method to connect to another…
Bash Printf Command
The bash printf command prints the formatted strings in the shell. It stands for print formatted. The command…
How to List Running Services in Linux
What is a Linux Service? In simpler terms, a Linux service is a server’s response to a request…
Bash Compare Strings
Similar to other programming languages, strings in bash is the datatype that holds a sequence of characters. In…
Sed Command in Linux Examples
The Sed command is a very powerful tool that is used for viewing, editing, and modifying files. It…
