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Hybrid Cloud for Developers by Manoj Hirway

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Linux troubleshooting and monitoring tools

The Linux operating system offers several native tools that are very useful for troubleshooting problems. The following are a few tools that you must be aware of to quickly identify problems with your OpenStack environment:

  • ps:  The Linux ps command can be used to list the OpenStack services.  The output can be piped to grep to filter the service that we are interested in.
  • top and htop: The top and htop commands will list the running processes and also provide information about how much CPU and memory they are consuming. You also can sort the processes based on the amount of CPU and memory consumed. This command comes in handy when identifying resource contention issues.
  • df: The Linux df command ...

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