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