How To Install lttng-modules-dkms on Ubuntu 18.04
Introduction
In this tutorial we learn how to install lttng-modules-dkms on Ubuntu 18.04.
What is lttng-modules-dkms
lttng-modules-dkms is:
The LTTng project aims at providing highly efficient tracing tools for Linux. Its tracers help tracking down performance issues and debugging problems involving multiple concurrent processes and threads. Tracing across multiple systems is also possible.
This package contains the LTTng kernel modules. These provide additional instrumentation (not found in the mainline kernel), the ring buffer library, the tracer itself, and some additional utilities.
Installing on kernel versions prior to 2.6.38 might be possible, but has not been tested.
There are three methods to install lttng-modules-dkms 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 lttng-modules-dkms Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install lttng-modules-dkms using apt-get by running the following command:
sudo apt-get -y install lttng-modules-dkms
Install lttng-modules-dkms Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install lttng-modules-dkms using apt by running the following command:
sudo apt -y install lttng-modules-dkms
Install lttng-modules-dkms 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 lttng-modules-dkms using aptitude by running the following command:
sudo aptitude -y install lttng-modules-dkms
How To Uninstall lttng-modules-dkms on Ubuntu 18.04
To uninstall only the lttng-modules-dkms package we can use the following command:
sudo apt-get remove lttng-modules-dkms
Uninstall lttng-modules-dkms And Its Dependencies
To uninstall lttng-modules-dkms and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove lttng-modules-dkms
Remove lttng-modules-dkms Configurations and Data
To remove lttng-modules-dkms configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge lttng-modules-dkms
Remove lttng-modules-dkms configuration, data, and all of its dependencies
We can use the following command to remove lttng-modules-dkms configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge lttng-modules-dkms
References
Summary
In this tutorial we learn how to install lttng-modules-dkms package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
