Sometimes you may need to use shell variables in awk script or command. Here is how to do it in Linux.
How to Use Shell Variables in Awk Script
Linux
How to Setup SSH Keys in Linux
SSH protocol allows you to securely transfer files & data between two computers on a network or over internet. Here is how to setup SSH keys in Linux.
How to Prompt for User Input in Shell Script
Sometimes you may need to prompt for user input in shell script. Here is how to prompt user for input in shell script.
How to Install or Upgrade Software from Unsupported Release in Ubuntu
Sometimes you may need to install or upgrade software from unsupported release in Ubuntu. Here are the steps to do it.
Shell Script to Check if Script is Already Running
How to Check if Input Argument Exists in Shell Script
Sometimes you may need to check if input argument exists in shell script. Here are the steps to do it.
How to Check if Variable is Empty or Not in Shell Script
Sometimes you may need to check if a variable is set or not in Shell Script. Here is how to check if variable is empty or not in Shell Script.
How to Check if File Exists in Shell Script
Sometimes you may need to check if file exists in shell script. Here are the steps to check if file exists using shell script.
How to Check if Directory Exists in Shell Script
Sometimes you may need to check if directory exists in shell script. Here are the steps to check if folder exists in shell script.
How to Get Directory of Shell Script
Sometimes you may need to get directory of bash script or get folder where script is present. Here is how to get directory of shell script.