In this day and age, you don’t need a desktop PC to make a SSH connection to your server. Shelly for iPhone is one of many SSH apps you can download to get the job done. It has a terminal emulator based on the PuTTY engine. Shelly comes optimized for gesture commands.
Shelly is fully customizable, allowing you to attach actions to gestures. It works with custom iPhone keyboards too. The app can keep the connections alive while in the background. With credentials save function, you will have an easier time connecting.[where to get it]