Start multiple synchronized SSH connections with Tmux

ssh-multi.sh

#!/bin/bash
# ssh-multi

# Modified to check if the script is started within a TMUX session to avoid starting in a background TMUX session
# H.SHUSTAK

# Origional : 
#      D.Kovalov : https://gist.github.com/dmytro/3984680
#                  Based on http://linuxpixies.blogspot.jp/2011/06/tmux-copy-mode-and-how-to-control.html

# a script to ssh multiple servers over multiple tmux panes

checktmux() {
   if [ -z "${TMUX}" ] ; then
      echo "NOTE : This script is not being started within a tmux session"
      echo "       It is reccomended to start this script from within a tmux session."
      exit -9
   fi
}


starttmux() {
    if [ -z "$HOSTS" ]; then
       echo -n "Please provide of list of hosts separated by spaces [ENTER]: "
       read HOSTS
    fi

    local hosts=( $HOSTS )


    tmux new-window "ssh ${hosts[0]}"
    unset hosts[0];
    for i in "${hosts[@]}"; do
        tmux split-window -h  "ssh $i"
        tmux select-layout tiled > /dev/null
    done
    tmux select-pane -t 0
    tmux set-window-option synchronize-panes on > /dev/null

}

HOSTS=${HOSTS:=$*}

checktmux
starttmux

nice : +1: