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Managing Processes in SUSE Linux Enterprise

In this hands-on lab, we will be looking at process management and how we can ensure some processes are given preference to run using process priority.

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Path Info

Clock icon Beginner
Clock icon 30m
Clock icon Dec 20, 2019

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Table of Contents

  1. Challenge

    Determine if Docker Is Causing a Load Issue

    1. Verify that the Docker daemon is running:

      ps aux | grep dockerd

      Note the Docker PID.

    2. Check system load:


      Exit using q.

    3. Stop the dockerd process:

      sudo -i kill -SIGSTOP <dockerd_PID>
    4. Check the load to see if there is a change:


      Notice it indicates there is one stopped process. Exit using q.

    5. Restart the Docker daemon:

      sudo kill -i -SIGCONT <dockerd_PID>
  2. Challenge

    Check the Current Process Priority of the dockerd Process and if It Is Not 10, Set It to 10

    1. Get the current priority (niceness):

      ps axo ni,pid,comm | grep dockerd
    2. Set the Docker niceness to +10:

      sudo -i renice -n 10 <dockerd_PID>
    3. Verify the change:

      ps axo ni,pid,comm | grep dockerd

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