10 Bash Scripts to Automate Daily Linux SysAdmin Tasks
Daily tasks to automate for a SysAdmin are: package, network, firewall, service, etc. Read this article for practical demonstrations of these scripts.
How to Check Bash Version
You can check the bash version for many cases, including troubleshooting and finding the currently available version in the system.
How to Set and Use Environment Variables In Bash Script
Environment variables are used to store and manage the data to modify the processes in the Linux system.
Bash Script Loops Examples
Loop allows you to repeat the desired set of instructions numerous times to attain the desired outcome.
What is Shebang: Bash Script Header on First Line?
Shebang works as the absolute path for the script interpreter. It has various names like shebang, bang line, and hashbang.
Bash Script Include Another Bash Script
Including one script in another can help you automate the command sequence’s code block.
What is Proper File Extension for a Bash Script
If you are new to shell scripting, please use .sh scripting and .bash to work around the bash environment.
How to Make Bash Script Executable
In Linux, you must provide the executable permissions to run bash scripts from the command line.
How to Create File in Bash
There are various simple ways you can use to create a the files in bash. We have explained multiple commands to create bash files from the terminal.
How to Prompt Bash for User Input
Practical guide on how to prompt Bash to take the user input using the “read” command in basic and advanced scripts to implement it without any further queries.
Advanced Bash File Operations
Tutorial on the different advanced types of Bash file operations to know the various file-related tasks such as creating the files, appending the files, etc.
How to Find Yesterday Date in Bash
The date command is used with the –date or -d option with 1 day ago or yesterday strings to get yesterday’s date.
16 Bash Regular Expression (RegEx) Examples Using grep, sed, and awk Commands
Regex is a sequence of special characters that form a pattern to find specific pattern-matching. This guide provides 16 bash regex examples.
Copying Files and Directories in Linux
Practical guide on the ways of copying the files in Linux using the cp, rsync, and scp commands to copy the files and directories locally and to a remote host. In this guide, we will learn about copying files and directories in Linux.
Is there a TRY CATCH command in Bash?
Bash does not have the try-catch command. A few alternatives like checking exit code, the trap command, and tracing output, can be applied to locate the errors instead.
Prompt for Input in Bash
Comprehensive tutorial on the uses of prompt with the “read” command in the Bash script and the benefits of using a prompt message with the “read” command.
Using the =~ Operator in Bash
Comprehensive tutorial on the various methods of using the =~ operator in Bash to search the string values with different types of regular expressions.
Escape a Single Quote in Bash
The purposes of using the single quotes in the Bash script using single quotes with both echo and printf commands to define a string data or execute a command.
Bash Logical AND (&&) Operator
The simple uses of the logical AND operator in Bash script to define the logical expressions in any programming language and check two or more conditions.
Bash Substring after a Specified Character
Practical guide on the various uses of Bash substring extraction to extract the substring from a string data after a specified character using the Bash script.