Create a new user on a multiple linux machines

create-new-user.sh

#!/bin/bash
#
# Creates new user with given passwd on the set of machines

hosts="$@"
total_created=0
for host in ${hosts}; do
  ssh -t root@"${host}" <<'ENDSSH'
    useradd PLACE-USER-HERE -p PLACE-ENCRIPTED-PASSWORD-HERE(i.e from /etc/shadow)
ENDSSH
  if [[ "$?" -ne 0 ]]; then
      echo "Unable to create new user on ${host}" >&2
  else
    ((total_created++))
  fi
done

echo "${total_created} users ceated"