#!/bin/bash
  smbcheck=0
  echo "begin ping"
  while [ $smbcheck -ne 1 ]; do
          ping -c 2 10.11.13.254
          if [ $? -eq  0 ]; then
                  echo "ping success";
                  mount -a
                  smbcheck=1;
          else
                  echo "fail ping"
          fi
  done
  echo "fin script
  
  

====== sample 2 ======


  #!/bin/sh
  # ping mullvad dns that can only be reached via the VPN tunnel
  # if no contact, reboot!
  
  tries=0
  while [[ $tries -lt 5 ]]
  do
        if /bin/ping -c 1 10.64.0.1
        then
                echo "wg works"
                exit 0
        fi
        echo "wg fail"
        tries=$((tries+1))
  done
  echo "wg failed 5 times -   rebooting"
  reboot
  
====== wg ping restart interface ======

  #!/bin/sh
  #modified from https://openwrt.org/docs/guide-user/base-system/cron
  #modified to use logger for global logging instead of scriptlogfile & added infinite reboot protection for reboot
  # Prepare vars
  DATE=$(date +%Y-%m-%d" "%H:%M:%S)
  #logFile="/persistlogs/syslog"
  
  # Ping and reboot if needed
  
  #YOUR WIREGUARD PEER
  CHECKHOSTNAME="172.17.16.1"
  
  notification_email="bxxxxx@gmail.com"
  VPNINTERFACE="wg0"
  
  
  ping -c3 $CHECKHOSTNAME
  
  if [ $? -eq 0 ]; then
      echo "ok"
      logger $(echo "${DATE} - $0: OK - $VPNINTERFACE UP AND RUNNING")
  
  else
      echo "RESTART wgvpn0 Interface"
      logger $(echo "${DATE} - $0: NO VPN CONNECTION RESTART $VPNINTERFACE INTERFACE...")
      # Note: To avoid infinite reboot loop, wait 70 seconds and touch a file in /etc
      ifdown $VPNINTERFACE
      ifup $VPNINTERFACE
          echo Subject: $0: VPN $VPNINTERFACE has been restarted | sendmail -v "$notification_email"
  fi