Latest Articles
Bash if else usage guide for absolute beginners
Beginners tutorial to learn bash if else statement in Linux and Unix. Nested if statement, Bash if multiple condition, if elif else statement with shell script …
Bash Function Usage Guide for Absolute Beginners
How to define bash function, pass command line arguments to a function and store it as variable or array, Use return value to return different exit codes from …
chmod Recursive in Linux: Change File & Directory Permissions Safely
Learn how to use chmod recursive (-R) in Linux with clear examples. Change permissions for all files or directories using 755 or 777, avoid common mistakes, and …
10 examples to generate SSH key in Linux (ssh-keygen)
Use ssh-keygen to generate SSH key to use public key based authentication in Linux. Create key pair with custom filename, change passphrase of existing private …
Bash while loop usage with examples for beginners
Absolute beginners guide to learn bash while loop with shell script examples. Use while true loop with break and continue statement, nested while loop, while …