I want something that has a WebUI, can show in a graph like the CPU and RAM graph for this day and maybe some days before. Also I would like to view what was running at any given time (I mean from 2-3 days before to now).
Is there any (FOSS) software that does that?
Thanks.
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I think prometheus + grafana might be what you are looking for. In combination with loki grafana can also be used for viewing log messages.
Absolutely this, nothing else is required. Well, maybe alertmanager if you want to receive alerts
and swap Prometheus for VictoriaMertics, or your homelab ram usage becomes Prometheus ram usage.
I’ll second this. Prometheus + Grafana is what I’m using now, but you can definitely add more extensions/monitors to get far more detail, like Loki which was suggested above.
I use Check_MK
Same here. I still don’t understand why everyone is about Grafana. I’ve tested it and checkMK is more… Everything.
Switched from CMK to Zabbix at my previous job. Zabbix is far more comfortable and has all the same possibilities that CMK has. But you can setup everything in the web GUI and don’t need to reload anything.
@mbirth In Zabbix you can configure everything via web ?
Yes! And if it gets too complex for simple checkboxes and formulas, there are a few places where you can enter JavaScript into a textbox. But it’s all inside the web GUI. No need to fiddle with files on the server.
+1 for cmk. Been using it at work for an entire data center + thousands of endpoints and I also use it for my 3 server homelab. It scales beautifully at any size.
Zabbix?
If you’re serious about monitoring your shit this is really the best answer. Zabbix is love. Zabbix is life.
LibreNMS hasn’t been mentioned yet, and it’s very good. It does take some setting up, but its use of SNMP for data collection means that it’s easy to collect data from a wide range of network hardware as well. A wide range of alerting is available.
You’ve already received some great suggestions. Another one is Netdata. Personally, I use glances to collect the data and Home Assistant to display the dashboard. But I only do this because I already had Home Assistant running.
We use libreNMS. Its docs state that it will do this, but we only use the uptime monitoring feature, so I can’t arrest as to how well it will monitor everything else.
I’ve recently found Beszel and i want to use it to replace my grafana/Prometheus/node exporter stack. It seems to be a rather easy & clean solution. Sure, you can do more with grafana and Prometheus but I can’t be bothered having to learn that, when all I want is some simple monitoring.
Cockpit is what I use. Simple setup and shows all sorts of graphs and statistics. https://cockpit-project.org/
I recently start using Observium for some basic monitoring. I’m happy so far.
Munin is a tried and true solution. It installs on the server creates graphs and makes it easy to see a stair step graph to problems like out of memory.
I’d also highly recommend installing atop and having it collect stats every 1 to 2 minutes. You can go to a crashed server and step through what was running in a “top” like interfsce. I install atop on any server as a means for post incident diagnosis.
I use the Netdata agent (with cloud features disabled). Easy installation, FOSS, 0 configuration required, tons of metrics.
The agent on TrueNAS is loaded to the brim.
Prometheus, even by itself.
I like munin, it’s very limited, a bit hard to configure and doesn’t have many features but uses almost no resources
We use the ELK stack.
