[NTLUG:Discuss] Shell from a webpage

[Mark Hanna]

can anyone recommend a method where I have a command prompt/shell on a server from a webpage?
 
In other words, I want to access a bash shell on my linux webserver remotely through a webpage
 
 
Super dangerous without security, yes I know
Still dangerous with security, yes I know
 
 
I don't think I've ever seen this, and I'm kinda surprised I haven't before now.