ssh into several hosts at once using tmux
pip install --user --upgrade tmuxssh
Usage: tmuxssh [OPTIONS] [HOSTS]... Options: --template TEXT Connection template, default: ssh {}. --paginate INTEGER Panes per tmux window, default: 0. --help Show this message and exit.
tmuxssh --template 'ssh -i ~/.ssh/my.pem -l ubuntu {}' 10.64.93.208 10.64.93.207 tmuxssh --template 'ssh -i ~/.ssh/my.pem -l ubuntu {}' --paginate 5 $(easytwo --name es-nodes --output public-ip) tmuxssh --template 'ssh -ti ~/.ssh/jump.pem 10.1.1.1 "ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i ~/.ssh/another.pem -l ubuntu {}"' 10.64.93.208 10.64.93.207