Linux servers are accessed using SSH (Secure Shell). Most operating systems include an SSH client by default.

From Windows

1. Open PowerShell or Windows Terminal
   Press Windows Key → type PowerShell or Terminal → open it.
2. Connect to your server
   Run:
   ssh USERNAME@SERVER_IP
   
   Example:
   ssh root@123.123.123.123
3. Accept the SSH fingerprint
   Type yes and press Enter.
4. Enter your password
   Characters will not be shown while typing - this is normal.

Alternative: You can also use PuTTY.

From Linux

1. Open Terminal
2. Run:
   ssh USERNAME@SERVER_IP
3. Accept the fingerprint and enter your password

From macOS

1. Open Terminal
2. Run:
   ssh USERNAME@SERVER_IP
3. Accept the fingerprint and enter your password

Windows servers are accessed using Remote Desktop Protocol (RDP).

From Windows

1. Open Remote Desktop Connection
2. Enter your server IP address
3. Click Connect
4. Enter your username and password

From Linux

Use an RDP client such as Remmina or FreeRDP.

1. Install (Ubuntu example):
   sudo apt install remmina
2. Connect using your server IP and credentials

From macOS

1. Install Microsoft Remote Desktop
2. Add your server IP
3. Enter your login details