Autologon tool for RHEL 7

gistfile1.txt

#!/bin/bash
if [ ! -d ~/.autologon ]
then
  mkdir -p ~/.autologon
fi
if [ "$1" == "enable" ]
then
  cat /lib/systemd/system/getty@.service > ~/.autologon/lastexec
  sed -i '/^ExecStart/s/ExecStart.*/ExecStart=-\/sbin\/agetty --autologin root --noclear %I/' /lib/systemd/system/getty@.service
  if [ ! "$2" == "" ]
  then
    echo "#!/bin/bash" > ~/.autologon/runonce
    echo "$2" >> ~/.autologon/runonce
    echo 'sed -i "/~\/.autologon\/runonce/d" ~/.bashrc' >> ~/.autologon/runonce
    echo 'rm -- "$0"' >> ~/.autologon/runonce
    chmod +x ~/.autologon/runonce
    sed -i '/~\/.autologon\/runonce/d' ~/.bashrc
    echo '~/.autologon/runonce' >> ~/.bashrc
  fi
elif [ "$1" == "disable" ]
then
  cat ~/.autologon/lastexec > /lib/systemd/system/getty@.service
fi