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#!/bin/bash

# internet connection check based on pinging public dns ip(s)

IPtoCheck=("208.67.222.222" "208.67.220.220" "1.1.1.1" "1.0.0.1" "9.9.9.9" "149.112.112.112")
countOnline=0
for ip in "${IPtoCheck[@]}"
do
  sleep 10
  if ping -q -c 1 -W 1 $ip >/dev/null
    then
    echo "$ip is online"
    countOnline=$((countOnline+1))
    else
    echo "$ip is offline"
  fi
done

if [ $countOnline -gt 0 ]
  then
  echo "we are probably online"
  else
  echo "we are probably offline"
  # we are probably offline - need to reboot and hope modem will reconnect after reboot
  echo "rebooting..."
  sleep 60
  echo $(date)" >> "$(realpath  $0)" >> no internet connection (rebooting now)" >> /home/openhabian/logs
  sudo reboot
fi

#!/bin/bash

echo $(date)" >> "$(realpath  $0)" >> modem autoconnect starts" /home/openhabian/logs

# if I do not use this delay - it sometimes does not work
sleep 5

# unlocking the SIM card with PIN
sudo mbimcli -d /dev/cdc-wdm0 -p --enter-pin=****

# if I do not use this delay - it sometimes does not work
sleep 3

# connecting the modem to the internet
sudo mbim-network /dev/cdc-wdm0 start

###############################################################################
###############  openhabian  ##################################################
###############################################################################
##        Ip = Unable to parse ip . Please debug.
##   Release = Raspbian GNU/Linux 11 (bullseye)
##    Kernel = Linux 5.10.63-v7l+
##  Platform = none
##    Uptime = 0 day(s). 9:13:42
## CPU Usage = 1.01% avg over 4 cpu(s) (4 core(s) x 1 socket(s))
##  CPU Load = 1m: 0.24, 5m: 0.10, 15m: 0.05
##    Memory = Free: 0.45GB (24%), Used: 1.42GB (76%), Total: 1.87GB
##      Swap = Free: 2.43GB (100%), Used: 0.00GB (0%), Total: 2.43GB
##      Root = Free: 8.39GB (61%), Used: 5.31GB (39%), Total: 14.33GB
##   Updates = 14 apt updates available.
##  Sessions = 1 session(s)
## Processes = 145 running processes of 32768 maximum processes
###############################################################################

                          _   _     _     ____   _               
  ___   ___   ___   ___  | | | |   / \   | __ ) (_)  ____   ___  
 / _ \ / _ \ / _ \ / _ \ | |_| |  / _ \  |  _ \ | | / _  \ / _ \ 
| (_) | (_) |  __/| | | ||  _  | / ___ \ | |_) )| || (_) || | | |
 \___/|  __/ \___/|_| |_||_| |_|/_/   \_\|____/ |_| \__|_||_| | |
      |_|                  openHAB 3.1.0 - Release Build