Introduction
In this tutorial we learn how to install aodh-expirer on Ubuntu 22.04.
What is aodh-expirer
aodh-expirer is:
Ceilometer aims to deliver a Single Point Of Contact for billing systems,
providing all the counters they need to establish customer billing, across
all current and future OpenStack components. The delivery of counters must be
traceable and auditable, the counters must be easily extensible to support new
projects, and agents doing data collections should be independent of the
overall system.
(A ceilometer is an instrument that measures cloud coverage.)
This package contains the expirer. it is the script that handles time-to-live
support, when it is not natively supported by the database backend.
There are three methods to install aodh-expirer 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 aodh-expirer Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install aodh-expirer using apt-get by running the following command:
sudo apt-get -y install aodh-expirer
Install aodh-expirer Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install aodh-expirer using apt by running the following command:
sudo apt -y install aodh-expirer
Install aodh-expirer 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 aodh-expirer using aptitude by running the following command:
sudo aptitude -y install aodh-expirer
How To Uninstall aodh-expirer on Ubuntu 22.04
To uninstall only the aodh-expirer package we can use the following command:
sudo apt-get remove aodh-expirer
Uninstall aodh-expirer And Its Dependencies
To uninstall aodh-expirer and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove aodh-expirer
Remove aodh-expirer Configurations and Data
To remove aodh-expirer configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge aodh-expirer
Remove aodh-expirer configuration, data, and all of its dependencies
We can use the following command to remove aodh-expirer configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge aodh-expirer
References
Summary
In this tutorial we learn how to install aodh-expirer package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
