I’m looking for a simple remote system monitoring and alerting tool. Nothing fancy. Do you know of any? Features:
- monitors CPU, memory and disk space
- can accept multiple hosts to watch
- has some sort of alerting system
- can be deployed as a single docker container
- can be configured using a text file
- configs can be imported and exported inside the docker compose file
I like uptime-kuma but it only records the uptime. Other containers I’ve found seemed to be overly complicated. They requires multiple docker containers for log aggregation etc…
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Munin might be what you’re looking for. Very simple and easy to write your own plugins for if some information is missing.
“Munin is actively maintained” from website. Last stable release was in 2021.
Guess its not anymore…
https://prometheus.io/docs/introduction/overview/
would fit all points.
This + node_exporter.
- monitors CPU, memory and disk space
- can accept multiple hosts to watch
- has some sort of alerting system
- can be deployed as a single docker container
can be configured using a text fileconfigs can be imported and exported inside the docker compose file
https://github.com/henrygd/beszel
There is no really config to speak of. You setup the hub. Then you click on add system and write in the IP. Then you click on “Copy compose”. That is the agent you can then deploy with a compose file on any system. Click on add and it is there.
The only thing you might want to configure is alerting, but only once on the hub.
ahh so the remote system needs to have the docker stack as well then. hmm, that might be an issue :p
There is also a CLI without docker, for agent and hub, and you can mix & match. I can’t say how well though, very happy with running it as docker compose.
There are some unofficial Nagios Docker setups, such as https://github.com/JasonRivers/Docker-Nagios
Here’s their configuration doc: https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/configmain.html
It isn’t all that pretty, see some examples at https://sourceforge.net/projects/nagios/ , but it allows for email alerts, multiple hosts (including managed network devices) and monitoring CPU / Memory / Disk space.I’ve only ever run it as a full VM so I can’t give much thought on the docker container.
If you desire to be able to config via text file is not to strong. You can use https://github.com/librenms/docker
true, it’s not as strong as having alert and limits configured
It’s not bad to get running, and the alerting is really flexible. You can add Nagios and syslog alerts easily too.
You might look into Netdata, I think it meets your requirements, it’s essentially plug and play, but I believe you can add alerts as well. Been a while since I looked at it, but they’ve put out some big updates lately.
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Maybe glances? It’s htop with an websocket
Netdata is sorta my default choice…
