How To Install ruby-unicorn-worker-killer on Debian 12

Learn how to install ruby-unicorn-worker-killer on Debian 12 with this tutorial. ruby-unicorn-worker-killer is library to kill unicorn workers by memory and request counts

Introduction

In this tutorial we learn how to install ruby-unicorn-worker-killer on Debian 12.

What is ruby-unicorn-worker-killer

ruby-unicorn-worker-killer is:

unicorn-worker-killer gem provides automatic restart of Unicorn workers based on

  1. max number of requests, and
  2. process memory size (RSS) without affecting any requests.

This will greatly improves site’s stability by avoiding unexpected memory exhaustion at the application nodes.

There are three methods to install ruby-unicorn-worker-killer on Debian 12. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install ruby-unicorn-worker-killer Using apt-get

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

sudo apt-get update

After updating apt database, We can install ruby-unicorn-worker-killer using apt-get by running the following command:

sudo apt-get -y install ruby-unicorn-worker-killer

Install ruby-unicorn-worker-killer Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install ruby-unicorn-worker-killer using apt by running the following command:

sudo apt -y install ruby-unicorn-worker-killer

Install ruby-unicorn-worker-killer 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install ruby-unicorn-worker-killer using aptitude by running the following command:

sudo aptitude -y install ruby-unicorn-worker-killer

How To Uninstall ruby-unicorn-worker-killer on Debian 12

To uninstall only the ruby-unicorn-worker-killer package we can use the following command:

sudo apt-get remove ruby-unicorn-worker-killer

Uninstall ruby-unicorn-worker-killer And Its Dependencies

To uninstall ruby-unicorn-worker-killer and its dependencies that are no longer needed by Debian 12, we can use the command below:

sudo apt-get -y autoremove ruby-unicorn-worker-killer

Remove ruby-unicorn-worker-killer Configurations and Data

To remove ruby-unicorn-worker-killer configuration and data from Debian 12 we can use the following command:

sudo apt-get -y purge ruby-unicorn-worker-killer

Remove ruby-unicorn-worker-killer configuration, data, and all of its dependencies

We can use the following command to remove ruby-unicorn-worker-killer configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge ruby-unicorn-worker-killer

Dependencies

ruby-unicorn-worker-killer have the following dependencies:

References

Summary

In this tutorial we learn how to install ruby-unicorn-worker-killer package on Debian 12 using different package management tools: apt, apt-get and aptitude.