To install:
ln -s ~/.dotfiles/tmux/.tmux.conf ~/.tmux.conf
ln -s ~/.dotfiles/xmodmap/.Xmodmap ~/.Xmodmap
sudo ln -s ~/.dotfiles/logid.cfg /etc/logid.cfg
For Tmux, need to remap a key to guillemotleft:
sudoedit /usr/share/X11/xkb/symbols/pc
sudo rm -rf /var/lib/xkb/*
Then reboot.