How can you set up SSH on Linux?

Secure Shell (SSH) is a protocol used to securely connect to a remote server/computer. Setting up SSH on Linux is essential for managing servers securely. Follow the steps below to configure SSH on your Linux system:

1. Install OpenSSH:

Most Linux distributions come with OpenSSH installed by default. If not, install it using the package manager. For Debian/Ubuntu:

2. Secure SSH configuration:

Edit the SSH configuration file (/etc/ssh/sshd_config) to enhance security. For example, changing the default port, disabling root login, and using key-based authentication.

3. Restart SSH service:

After making changes, restart the SSH service for the changes to take effect.

4. Generate SSH keys:

Create an SSH key pair on your local machine using:

5. Transfer public key to the server:

Copy your public key to the server's authorized_keys file using SSH or manually.

6. SSH access:

You can now securely connect to your server using SSH:

By following these steps, you can set up SSH securely on your Linux system for safe and reliable remote access.