Managing Processes in SUSE Linux Enterprise

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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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Lab Info

Level

Beginner

Last updated

Sep 22, 2025

Duration

30m

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:
  
  top
  
  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:
  
  top
  
  Notice it indicates there is one stopped process. Exit using q.
5. Restart the Docker daemon:
  
  sudo kill -i -SIGCONT <dockerd_PID>
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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