iankelling.org Git - distro-setup/blob - zelous-unattended-reboot

   1 #!/bin/bash
   2 if [[ $(/usr/sbin/checkrestart | wc -l) != 1 ]]; then
   3   for x in {30..1}; do
   4     echo "pid $PID. unattended upgrade, rebooting in $((x*10)) seconds" | wall
   5     sleep 10
   6   done
   7   for x in {30..1}; do
   8     if ! fuser /var/lib/dpkg/lock &> /dev/null; then
   9       /sbin/reboot
  10       exit 0
  11     fi
  12     echo "pid $PID. unattended upgrade reboot waiting 10 seconds for dpkg lock" | wall
  13     sleep 10
  14   done
  15   echo "dpkg locked for 5 minutes, automatic reboot failed" | pee cat wall
  16 fi