How To Install psi-notify on Debian 12
Introduction
In this tutorial we learn how to install psi-notify on Debian 12.
What is psi-notify
psi-notify is:
psi-notify is a minimal unprivileged notifier for system-wide resource pressure using PSI. This can help you to identify misbehaving applications on your machine before they start to severely impact system responsiveness, in a way which MemAvailable, CPU graphs, I/O utilisation graphs and other metrics cannot.
There are three methods to install psi-notify 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 psi-notify Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install psi-notify using apt-get by running the following command:
sudo apt-get -y install psi-notify
Install psi-notify Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install psi-notify using apt by running the following command:
sudo apt -y install psi-notify
Install psi-notify 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 psi-notify using aptitude by running the following command:
sudo aptitude -y install psi-notify
How To Uninstall psi-notify on Debian 12
To uninstall only the psi-notify package we can use the following command:
sudo apt-get remove psi-notify
Uninstall psi-notify And Its Dependencies
To uninstall psi-notify and its dependencies that are no longer needed by Debian 12, we can use the command below:
sudo apt-get -y autoremove psi-notify
Remove psi-notify Configurations and Data
To remove psi-notify configuration and data from Debian 12 we can use the following command:
sudo apt-get -y purge psi-notify
Remove psi-notify configuration, data, and all of its dependencies
We can use the following command to remove psi-notify configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge psi-notify
Dependencies
psi-notify have the following dependencies:
References
Summary
In this tutorial we learn how to install psi-notify package on Debian 12 using different package management tools: apt, apt-get and aptitude.
