1. Snoop around and find the tmux thingy.
It is owned by root but can be used by anyone, so just hijack it.
Note: If you don't set your TERM to xterm it will give out an error


2. Now that you are root, get your flag


Original writeup (https://github.com/TrollzorFTW/writeups/tree/master/bsidesbos/misc/teamix).