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:
- into the console graphically
- or to a metrics server
- 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.
- See Sysstat package
- See perf package
- ifstat(1), iftop(8), iostat(1), mpstat(1), netstat(1), nfsstat(1), nstat, vmstat(1), xosview(1)
ps -ef|grep <process>
- Linux - Top Command for the CPU
- iotop for the IO
- shared memory monitoring using the ipcs -m command.
- ps - processes data from multiple systems and treat it as a single data stream
This section is about collector that sends the metrics to a backend server
Gui - The system monitor of the Gnome Desktop
To start it:
- with the desktop GUI, System menu > Choose Administration > System Monitor option.
- at the shell prompt, type the following command :