• Introduction
• Basic Usage of ssh
• Common Use Cases
• Advanced ssh Techniques
• Conclusion

Introduction

The ssh command is used to establish a secure remote connection to another Linux system. It is a fundamental tool for system administration and remote management.

Basic Usage of ssh

Syntax

The basic syntax of ssh is:

ssh [options] user@host

Example

To connect to a remote server as the “user” user:

ssh user@example.com

Common Use Cases

• Executing Remote Commands: You can run commands on the remote system after establishing an ssh connection.

  ssh user@example.com "ls -l"
  

Advanced ssh Techniques

Using SSH Keys

You can use SSH keys for passwordless authentication, improving security and convenience.

ssh-keygen
ssh-copy-id user@example.com

Conclusion

Mastering the ssh command is essential for securely managing and administering Linux systems remotely.