10 Essential SSH Command Shortcuts and Tricks for Linux Users

SSH (Secure Shell) is a powerful tool for securely accessing remote systems. Mastering a few handy shortcuts and tricks can significantly improve your workflow. Here are 10 useful SSH command tips you should know.

1. Quick SSH Login

Instead of typing:

ssh username@hostname -p port_number  

Use a shorter format:

ssh user@host -p port

2. Execute a Single Command Remotely

Run a command without entering an interactive session:

ssh user@host 'ls -l /var/www'  

Example:

ssh user@host 'ls -l /var/www'  

3. SSH with a Different Private Key