Colourify SSH terminal sessions

.profile

# Add this to ~/.profile

    function tabc() {
      NAME=$1; if [ -z "$NAME" ]; then NAME="Default"; fi # if you have trouble with this, change
                                                          # "Default" to the name of your default theme
      echo -e "\033]50;SetProfile=$NAME\a"
    }
     
    function colorssh() {
      tabc SSH
      ssh $*
      tabc
    }

    function colorvagrantssh() {
      tabc Vagrant
      vagrant ssh $*
      tabc
    }

    alias vssh="colorvagrantssh"
    alias ssh="colorssh"
    
# Then configure iterm2 as shown in the screenshots

Configure iTerm2 with three profiles named like this:

Configure the Background Color option to something meaningful (I use dull red for SSH and dull green for Vagrant). In the works is blue for beta servers.