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Update How-to-Monitor-Docker-Containers.md (#55) 

* Update How-to-Monitor-Docker-Containers.md

Explanation on how to configure the TCP connection endpoint when using docker installed via snap

* Update How-to-Monitor-Docker-Containers.md

Co-authored-by: Frank Elsinga <frank@elsinga.de>

* Update How-to-Monitor-Docker-Containers.md

Co-authored-by: Frank Elsinga <frank@elsinga.de>

* Update How-to-Monitor-Docker-Containers.md

Co-authored-by: Frank Elsinga <frank@elsinga.de>

* Update How-to-Monitor-Docker-Containers.md

Co-authored-by: Frank Elsinga <frank@elsinga.de>

* Update How-to-Monitor-Docker-Containers.md

Co-authored-by: Frank Elsinga <frank@elsinga.de>

* Update How-to-Monitor-Docker-Containers.md

Co-authored-by: Frank Elsinga <frank@elsinga.de>

* Update How-to-Monitor-Docker-Containers.md

* Update How-to-Monitor-Docker-Containers.md

---------

Co-authored-by: Frank Elsinga <frank@elsinga.de>
Daniel Pinto 2023-09-10 11:43:43 +01:00 committed by GitHub
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How-to-Monitor-Docker-Containers.md

@ -55,6 +55,29 @@ ExecStart=/usr/bin/dockerd --containerd=/run/containerd/containerd.sock
My original ExecStart was: `ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock`, note the -H that would cause a duplicate property error.
> [!NOTE]
> If you installed docker using snap
Snap stores the `daemon.json` here: `/var/snap/docker/current/config/daemon.json`
use `sudo nano /var/snap/docker/current/config/daemon.json` to edit the file like
```diff
{
"log-level": "error",
"storage-driver": "overlay2",
+ "hosts": ["unix:///var/run/docker.sock", "tcp://0.0.0.0:2375"]
}
```
- Restart the service using `sudo systemctl restart snap.docker.dockerd.service`
- Check if the service is running using `sudo systemctl status snap.docker.dockerd.service`
The service should be running as usual, showing the docker snap service
![Screenshot showing the snap docker service working](https://github.com/louislam/uptime-kuma/assets/642149/8494c876-5580-4f87-9ceb-9a5974f1c977)
**Update uptime-kuma**
Add a new Docker host and choose TCP as the option. Specify the IP address of the host and the TCP port you exposed, as seen below.