How To Install kerneltop on Ubuntu 18.04
Introduction
In this tutorial we learn how to install kerneltop on Ubuntu 18.04.
What is kerneltop
kerneltop is:
kerneltop shows Linux kernel function information usage (modules not included) like top do for process, and is derived from readprofile.
It needs profiling enabled on kernel at boot time.
There are three methods to install kerneltop on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install kerneltop Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install kerneltop using apt-get by running the following command:
sudo apt-get -y install kerneltop
Install kerneltop Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install kerneltop using apt by running the following command:
sudo apt -y install kerneltop
Install kerneltop 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 kerneltop using aptitude by running the following command:
sudo aptitude -y install kerneltop
How To Uninstall kerneltop on Ubuntu 18.04
To uninstall only the kerneltop package we can use the following command:
sudo apt-get remove kerneltop
Uninstall kerneltop And Its Dependencies
To uninstall kerneltop and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove kerneltop
Remove kerneltop Configurations and Data
To remove kerneltop configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge kerneltop
Remove kerneltop configuration, data, and all of its dependencies
We can use the following command to remove kerneltop configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge kerneltop
References
Summary
In this tutorial we learn how to install kerneltop package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.