Tail on multiple CoreOS servers in parallel

coreos-multitail.sh

#!/bin/sh
#
# Run like this: 
# 
#     coreos-multitail.sh core@xxx core@yyy ...

SERVERS=($*)
echo Tailing ${SERVERS[@]}, press CTRL-C to exit

trap ctrl_c int

function ctrl_c() {
  kill 0
}

for SERVER in ${SERVERS[@]}; do
  ssh -n $SERVER "journalctl -f" | awk -F "\n" "{ print \"$SERVER \" \$1 }" &
done

wait