#!/bin/bash
#We need to create servlist.sh file and enter all Ip or hostname in it. if using hostname make sure its resolving in DNS.
for i in `cat servlist.sh`
do
  HOST=$i
  USER="root"
  PASS="..."
  VAR=$(expect -c "
  spawn ssh -o StrictHostKeyChecking=no $USER@$HOST
  expect "*?assword:*"
  send -- "$PASSr"
  send -- "r"
  expect eof
  ")
  echo "================================="
  # Editing Password policies in Login.defs
  sed -i -r -e "/PASS_MIN_LEN/s/[0-9]+$/5/" /etc/login.defs
  #
  sed -i -r -e "/PASS_MAX_DAYS/s/[0-9]+$/90/" /etc/login.defs
  #
  sed -i -r -e "/PASS_MIN_DAYS/s/[0-9]+$/1/" /etc/login.defs
  sed -i -r -e "/PASS_WARN_AGE/s/[0-9]+$/5/" /etc/login.defs
done