Shell Scripting
Shell Script to Monitor Disk Space and Send Alert
It is essential to monitor the disk space on a Linux server to ensure enough free space is available for…
Category: Shell Scripting
Bash and shell scripting: variables, loops, conditions and real scripts that automate work.
Shell Scripting
Bash: Append to File
To append to a file means to add new content to the end of an existing file, rather than overwriting…
Shell Scripting
How to Store Standard Error to a Variable in Bash
In Bash, you can store the standard error output of a command to a variable by using the `2>&1` operator…
Shell Scripting
How to Install Zsh (Z Shell) on Ubuntu and Debian
Zsh, or the Z Shell, is a powerful and flexible command-line shell for Unix-like operating systems, including Linux and macOS.…
Shell Scripting
Linux Shell: Remove Duplicate Lines from File
Bash is one of the most popular shells and is used by many Linux users. One of the great things…
Shell Scripting
Bash Error Detection and Handling: Tips and Tricks
To detect and handle errors in a bash script, you can use the `set -e` and `trap` commands, as well…
Shell Scripting
How To Customize Bash Prompt (PS1) In Linux
In Linux, PS1 is an environment variable that specifies the format of the command prompt displayed in the terminal. It…
Shell Scripting
How to Generate Random String in Bash
A random string is a sequence of characters that is generated randomly, rather than being determined by a set pattern…
Shell Scripting
Bash: Display Date and Time In a Specific Format
To display the current date and time in a specific format in Bash, you can use the date command. The…
Shell Scripting
Check if a Variable Contains a Number in Bash
A number is a combination of 0-9 digits—the Bash variables stores all value in the form of strings. Even if…