Netdata
node_exporter
Netdata | node_exporter | |
---|---|---|
118 | 78 | |
68,252 | 10,337 | |
0.7% | 2.0% | |
10.0 | 8.9 | |
6 days ago | 5 days ago | |
C | 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.
Netdata
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A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
netdata.cloud — Netdata is an open-source tool to collect real-time metrics. It's a growing product and can also be found on GitHub!
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The Hidden Costs of Monitoring
Netdata is designed with efficiency, scalability, and flexibility in mind, aiming to address most of the challenges associated with both open-source tools and commercial SaaS offerings.
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Looking for a way to remote in to K's of raspberry pi's...
Monitoring = netdata on each RPi https://www.netdata.cloud/ binded to the vpn interface being scraped into a prometeus thaons https://thanos.io/ setup with grafana to give management the Green all is good screens (very important).
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netdata is suddenly reporting 1hour_ecc_memory_correctable like every day
We run netdata to have a bit of insight into whats happening on the 10+ dedicated servers in Falkenstein. So far we have seen a 1hour_ecc_memory_correctable about once a month. Suddenly we get 1hour_ecc_memory_correctable like every day from different servers. Any ideas why that could be happening?
- Netdata v1.43.0 – with systemd-journal log integration
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Netdata: query, explore and visualize SystemD Journals!
Documentation and source code of this plugin: https://github.com/netdata/netdata/tree/master/collectors/systemd-journal.plugin
Home Page and source code: https://github.com/netdata/netdata
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Show HN: The simplest centralized logs management ever, with SystemD and Netdata
I started the discussion, and offered a solution too:
https://github.com/netdata/netdata/discussions/16136
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μMon: Stupid simple monitoring
hey - I work on ML at Netdata (disclaimer).
We have a big PR open and under review at moment that brings in a lot more logs capabilities: https://github.com/netdata/netdata/pull/13291
We also have some specific logs collectors too - i think in here might be best place to look around at the moment, should take you to the logs part of the integrations section in our demo space (no login needed, sorry for the long horrible url, we adding this section to our docs soon but at moment only lives in the app)
https://app.netdata.cloud/spaces/netdata-demo/rooms/all-node...
- Netdata
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?
Zabbix - Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.
cadvisor - Analyzes resource usage and performance characteristics of running containers.
process-exporter - Prometheus exporter that mines /proc to report on selected processes
LibreNMS - Community-based GPL-licensed network monitoring system
ping_exporter - Prometheus exporter for ICMP echo requests using https://github.com/digineo/go-ping
ElastiFlow - Network flow analytics (Netflow, sFlow and IPFIX) with the Elastic Stack
fortigate_exporter - Prometheus exporter for Fortigate firewalls
Munin - Main repository for munin master / node / plugins
windows_exporter - Prometheus exporter for Windows machines
Nagios - Nagios Core
prometheus - The Prometheus monitoring system and time series database.