example for self-hosted runners in the wild (#9015)

* example for self-hosted runners in the wild

there are probably no examples of self-hosted runners whose service name is `actions.runner.octo-org-octo-repo.runner01.service` outside of octo-org.

this change includes a command example that works in the wild.

* fixed more references

* fixed more references

* Update content/actions/hosting-your-own-runners/monitoring-and-troubleshooting-self-hosted-runners.md

* Update content/actions/hosting-your-own-runners/monitoring-and-troubleshooting-self-hosted-runners.md

* Update content/actions/hosting-your-own-runners/monitoring-and-troubleshooting-self-hosted-runners.md

* Update content/actions/hosting-your-own-runners/monitoring-and-troubleshooting-self-hosted-runners.md

* Update content/actions/hosting-your-own-runners/monitoring-and-troubleshooting-self-hosted-runners.md

* Update content/actions/hosting-your-own-runners/monitoring-and-troubleshooting-self-hosted-runners.md

Co-authored-by: hubwriter <hubwriter@github.com>

Author: grenade

content/actions/hosting-your-own-runners/monitoring-and-troubleshooting-self-hosted-runners.md

@@ -55,6 +55,13 @@ $ cat ~/actions-runner/.service
 actions.runner.octo-org-octo-repo.runner01.service
 ```
 
+If this fails due to the service being installed elsewhere, you can find the service name in the list of running services. For example, on most Linux systems you can use the `systemctl` command:
+
+```shell
+$ systemctl --type=service | grep actions.runner
+actions.runner.octo-org-octo-repo.hostname.service loaded active running GitHub Actions Runner (octo-org-octo-repo.hostname)
+```
+
 You can use `journalctl` to monitor the real-time activity of the self-hosted runner:
 
 ```shell