How To Install oomd on Ubuntu 22.04

In this tutorial we learn how to install oomd on Ubuntu 22.04. oomd is userspace Out-Of-Memory (OOM) killer for Linux systems

Introduction

In this tutorial we learn how to install oomd on Ubuntu 22.04.

What is oomd

oomd is:

oomd leverages PSI and cgroupv2 to monitor a system holistically. oomd then takes corrective action in userspace before an OOM occurs in kernel space. Corrective action is configured via a flexible plugin system, in which custom code can be written. By default, this involves killing offending processes. This enables an unparalleled level of flexibility where each workload can have custom protection rules. Furthermore, time spent livedlocked in kernelspace is minimized.

There are three methods to install oomd on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install oomd Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install oomd using apt-get by running the following command:

sudo apt-get -y install oomd

Install oomd Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install oomd using apt by running the following command:

sudo apt -y install oomd

Install oomd Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install oomd using aptitude by running the following command:

sudo aptitude -y install oomd

How To Uninstall oomd on Ubuntu 22.04

To uninstall only the oomd package we can use the following command:

sudo apt-get remove oomd

Uninstall oomd And Its Dependencies

To uninstall oomd and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove oomd

Remove oomd Configurations and Data

To remove oomd configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge oomd

Remove oomd configuration, data, and all of its dependencies

We can use the following command to remove oomd configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge oomd

References

Summary

In this tutorial we learn how to install oomd package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.