Oooh! Me likey this. It's called #shellinabox at https://www.tecmint.com/shellinabox-web-based-ssh-linux-terminal/

Since where I work they don't allow SSH outgoing or incoming this will allow me to do some personal work when in between tickets.

Shell In A Box - Access Linux SSH Terminal via Web Browser

Shellinabox is a web-based terminal emulator that runs as a web-based SSH client on a specified port and prompts you to access Linux SSH Shell via a web browser

Shell In A Box – A Web-Based SSH Terminal to Access Linux via Browser