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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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What do y’all use to monitor many linux servers? (lemm.ee)

submitted 4 days ago by shootwhatsmyname@lemm.ee to c/linux@lemmy.ml

50 comments fedilink hide all child comments

I’m hoping to find something that:

has a nice dashboard
is quick and simple to install
is very lightweight and unobtrusive
can send alerts via http request

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[–] RegalPotoo@lemmy.world 10 points 4 days ago (2 children)

            
              Base ansible role installs Prometheus node exporter, configured with the text file collector
VM automations push DNS records so that the Prometheus dns-sd automatically discovers them
Ansible roles for add Cron jobs that generate metrics for specific systems and dump them for the text file collector
Grafana for dashboards
Karma as a UI in front of Prometheus alert manager

[–] Toribor@corndog.social 1 points 3 days ago

Any chance you'd be willing to share playbooks or point me toward any resources you used?

I use Ansible to manage config across all my workstations/servers but I haven't gotten around to automating log shipping yet or aggregating system metrics.

[–] tetris11@lemmy.ml 1 points 4 days ago (1 children)

Cron jobs that generate metrics for specific systems and dump them for the text file collector

Details please

[–] RegalPotoo@lemmy.world 2 points 4 days ago

https://github.com/prometheus/node_exporter?tab=readme-ov-file#textfile-collector - which makes node exporter watch a specific directory for files that contain metrics, then re-export them back to the central Prometheus server
Some systems have their own metrics endpoints - instead of getting Prometheus to scrape these directly I set up a Cron job to curl these into files for node exporter - this means I don't need extra config in Prometheus to find the endpoints, and don't need to mess with firewall rules
Other systems don't directly expose metrics in a format Prometheus can use - in this case I will write/find a script that can do the conversation, then either set it up to write the metrics file directly and run it on a Cron, or run it as a service and another Cron job to do the scrape