checkmk
node_exporter
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checkmk | node_exporter | |
---|---|---|
83 | 78 | |
1,320 | 10,281 | |
3.8% | 3.0% | |
10.0 | 8.9 | |
about 8 hours ago | 4 days ago | |
Python | Go | |
GNU General Public License v3.0 only | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
checkmk
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Building a Managed Service Provider Business With Open Source
CheckMK - GitHub
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Monitoring solution
CheckMK https://checkmk.com. You can spin this up in a docker container
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"All in one monitoring solution"?
I use CheckMK to do all of this and more, except nutanix. But checkmk also can Monitor nutanix via the "Nutanix Prism" special agent Integration
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Is there an alternative to BI Tools?
BI machine and NVR report to CheckMK Raw host so it's easy to see historic stats.
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Uptime Monitor
I’m using https://checkmk.com/ to monitor stuff and it seems to work great. Lots of built in features and functions and if they don’t have what you need you can also create custom scripts to check and report on anything you can dream up. Runs great in docker (I’m using portainer but will run fine in plain old docker).
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Actually usefull or uneccessary? SNMP, AD, Monitoring...
Have a look at CheckMK open source version is really good, you can spin it up in a docker container and is relatively easy to get some initial monitors going. As to whether it's worthwhile, I guess it depends how much you want to know how you servers are doing and when something goes wrong.
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Monitoring Tools
Checkmk
- Anyway to monitor 20+ server in one single place?
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Is there a dashboard of sorts that can keep track of my linux-based computers and VMs to that I can easily see if any of them have updates or are running low on storage and et cetera?
checkmk: https://checkmk.com/
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What monitoring system do you use?
Checkmk I have use the "raw" (free) version and we now use the enterprise version. Both are very capable.
node_exporter
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Prometheus Fundamentals (Lesson-01)
$ wget https://github.com/prometheus/node_exporter/releases/download/v1.7.0/node_exporter-1.7.0.linux-amd64.tar.gz $ tar -xzvf node_exporter-1.7.0.linux-amd64.tar.gz
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List of your reverse proxied services
Node Exporter
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Best way to monitor disk space, RAM in remote servers and get alerts when full?
The Prometheus node_exporter can provide this information, doesn't require root. You could run it as a systemd user unit if you don't have root.
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Best Course/Learning Path for mastering Prometheus and Grafana
I personally find it best to learn through experimentation. Start with reading a bit about Prometheus and Grafana through their docs, and then familiarise yourself with setting up a local Prometheus + Grafana instance either locally or with docker using docker-compose, along with something to generate /metrics endpoint for Prometheus to scrape from such as a custom Prometheus exporter in Python or using Node Exporter.
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Linux Traffic Monitoring
Your best bet might be to fork node_exporter to get you more verbose socket stats: https://github.com/prometheus/node_exporter/blob/master/collector/sockstat_linux.go
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Tool to monitor disk space
I use Grafana + Prometheus + Node Exporter.
- Is there a dashboard of sorts that can keep track of my linux-based computers and VMs to that I can easily see if any of them have updates or are running low on storage and et cetera?
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Would SNMP present less of a load than SSH to get interface metrics from older cisco 3K series switches?
Crazy idea, can't NX devices run Docker? I wonder if the node_exporter would work.
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Questions about Kubernetes
Kubernetes itself will not notify you, the way I've seen people do this, is to use something like kube-state-metrics or node_exporter, export that to Prometheus (or preferrably VictoriaMetrics because Prometheus is terrible IMO), and then setup alarms on that with alertmanager or equivalent, or just look at dashboards regularly with Grafana. Realistically I recommend only setting alerts on disk usage and application/database latency. CPU and memory utilization isn't a great metric to alert on a lot of the time.
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How to log system usage: RAM, CPU, over a long time to detect which component is slowing down?
You may setup node exporter and collect metrics with prometheus for example. Its not quite "simple" way, but still you may find it useful.
What are some alternatives?
LibreNMS - Community-based GPL-licensed network monitoring system
cadvisor - Analyzes resource usage and performance characteristics of running containers.
uptime-kuma - A fancy self-hosted monitoring tool
process-exporter - Prometheus exporter that mines /proc to report on selected processes
LibreNMS-docker - LibreNMS Docker image
Netdata - The open-source observability platform everyone needs
openITCOCKPIT - openITCOCKPIT is an Open Source system monitoring tool built for different monitoring engines like Nagios, Naemon and Prometheus.
ping_exporter - Prometheus exporter for ICMP echo requests using https://github.com/digineo/go-ping
postgres - Docker Official Image packaging for Postgres
fortigate_exporter - Prometheus exporter for Fortigate firewalls
MeshCentral - A complete web-based remote monitoring and management web site. Once setup you can install agents and perform remote desktop session to devices on the local network or over the Internet.
windows_exporter - Prometheus exporter for Windows machines