os:linux:metrics

About

This page is about the management operating system metrics in the Linux System.

All command line tools are collector that collects and sends the metrics.

They may send them:

For instance:

for processes, the metrics are collected via the the proc file system. For instance, the /proc/swaps and /proc/meminfo files contain information about memory usage on your system.

This section is about command line utility that sends the metrics by default to the terminal.

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See Sysstat package
See perf package
Dstat is a versatile replacement for vmstat , iostat, netstat and ifstat. (Written in python)
ifstat(1), iftop(8), iostat(1), mpstat(1), netstat(1), nfsstat(1), nstat, vmstat(1), xosview(1)

ps -ef|grep <process>

This section is about collector that sends the metrics to a backend server

Prometheus node exporter
Collectl to capture resource utilization metrics.
collectl and colmux: colmux is a collectl multiplexor, which allows one to collect

To start it:

with the desktop GUI, System menu > Choose Administration > System Monitor option.
at the shell prompt, type the following command :
```
gnome-system-monitor
```

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