To connect to a VirtualBox server using PuTTY allows you to communicate securely with remote server. VirtualBox allows you to run virtual machines, and PuTTY is widely used to connect to virtual machines through SSH.

This connection is necessary for remotely managing and controlling your VirtualBox server, allowing you to manage server operations without having direct physical contact.

Also explore establishing secure remote connection to Synology NAS by using PuTTY.

Enable SSH on Virtual Machine:

Make sure that SSH is enabled on your Virtual Machine (VM). You can find this on Virtual server setting.

Determine the Virtual Machine IP Address:

Determine your Virtual Machine IP address via the VM operating system or by checking the DHCP client list on your router.

Setup PuTTY:

In the PuTTY configuration window, put your Virtual Machine' IP address or username in the Host Name section.

Set the connection type to SSH and port to 22.

Save Session:

In the Saved Session section, Click the Save button to save the session.

Establish a connection:

To begin the connection, click the Open button.

Enter your Virtual Machine username and password when prompted.

You are now successfully connected to Virtual Box server by using PuTTY.