Link ssh config file
Don't reload /usr/local/rbenv/shims:/usr/local/rbenv/bin:./bin:/home/vagrant/.rbenv/shims:/home/vagrant/.rbenv/bin:/usr/local/bin:/usr/local/sbin:/home/vagrant/.sfs:/home/vagrant/.dotfiles/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/opt/vagrant_ruby/bin in tmux