Systemd Service Watcher

What it is and what it does

System service watcher is a simple script that send notifications(emails, Gotify) periodically if there are failed services.

How to use it

---  Systemd Service Watcher 3.1.0 ---
Use with the following arguments

  install
    install the script on the system

  remove
    remove the script from the system

  check-services
    check that there is no systemd serice failure,
    and send notification if it's the case.
    See /opt/systemd-service-watcher/systemd-service-watcher.conf for notifications config

  test-notifications
    send test notifications
    See /opt/systemd-service-watcher/systemd-service-watcher.conf for notifications config

  help
    show the help
  ------------
  For more details : https://github.com/abdoulayeYATERA/systemd-service-watcher

1.download

Clone the project on the system

git clone https://github.com/abdoulayeYATERA/systemd-service-watcher

1.Install

Use install argument to install the script on the system
```
./systemd-service-watcher/systemd-service-watcher.sh install
```
2.Configure

Edit the config file
```
  vim /opt/systemd-service-watcher/systemd-service-watcher.conf
  #or
  nano /opt/systemd-service-watcher/systemd-service-watcher.conf
```
To receive mail notifications put your email or alias (see https://www.baeldung.com/linux/etc-aliases-file).
System Postfix have to be working for email notifications to work.
```
mail=myemail@mydomain.com
```
To receive Gotify notifications put your Gotify url and app key.
```
gotify_url=https://gotify.mywebsite.com
gotify_app_token=xdnsidutsridx_isté
gotify_priority=3
```
To watch only some services, fill up the watchlist array.
```
watchlist=( "apache2" "mariadb" "fail2ban" )
```
To watch all services except some, fill the unwatchlist array.
Note that watchlist has priority over unwatchlist.
```
unwatchlist=( "logroatate" "man-db" )
```
3.Done

Delete the cloned project
```
rm -r ./systemd-service-watcher
```
You're done, you'll receive notifications every 10 minutes when you have failed services.