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service-watchdog

Linux watchdog service that monitors uptime of other Linux system services.
The service will check and attempt to restart a service if it's down.

The following parameters are configurable via config file watchdog.cfg

  • Which system service to monitor.
  • The email address to notify issues.
  • Intervals between checks of a given service.
  • Number of restarts to try when service is down.
  • Intervals between restarts.

Dependencies

  • Daemon installed on your system.
  • Mail Transfer Agent must be running for sending emails.

Installation

git clone [email protected]:J00MZ/service-watchdog.git
cd service-watchdog
chmod +x watchdog.sh watchdogsd
mv watchdog.sh watchdog.cfg /home/<USER>
sudo mv watchdogsd /etc/init.d

Then run:
sudo service watchdogsd start

Configuration

Set the following in watchdog.cfg to your desired configuration.

  • SERVICE_NAME - default: sshd service
  • CHECK_INTERVAL - default: 60 seconds between checks
  • MAX_ATTEMPTS - default: 5 restart attempts
  • STARTUP_INTERVAL - default: 15 seconds between each restart
  • ADMIN_EMAIL - default: example email

To save updated changes run:
sudo service watchdogsd restart

Logging

Service logs activity to /var/log/watchdog_check.log
The logfile used is also configurable in watchdog.cfg file