Start tmux on ssh login

gistfile1.txt

# Taken from http://william.shallum.net/random-notes/automatically-start-tmux-on-ssh-login

if [ "$PS1" != "" -a "${STARTED_TMUX:-x}" = x -a "${SSH_TTY:-x}" != x ]
then
        STARTED_TMUX=1; export STARTED_TMUX
        sleep 1
        ( (tmux has-session -t remote && tmux attach-session -t remote) || (tmux new-session -s remote) ) && exit 0
        echo "tmux failed to start"
fi