RVM to rbenv Why? @sstephenson explains it best here. 1) remove RVM from your system This should get rid of the rvm dir and any installed rubies: $ rvm implode
tmux cheat sheet (C-x means ctrl+x, M-x means alt+x) Prefix key The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf: remap prefix to Control + a