How To Install lttng-tools on Ubuntu 18.04

In this tutorial we learn how to install lttng-tools on Ubuntu 18.04. lttng-tools is LTTng control and utility programs

Introduction

In this tutorial we learn how to install lttng-tools on Ubuntu 18.04.

What is lttng-tools

lttng-tools 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 provides the unified interface to control both the LTTng kernel and userspace (UST) tracers.

There are three methods to install lttng-tools 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-tools 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-tools using apt-get by running the following command:

sudo apt-get -y install lttng-tools

Install lttng-tools Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install lttng-tools using apt by running the following command:

sudo apt -y install lttng-tools

Install lttng-tools 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-tools using aptitude by running the following command:

sudo aptitude -y install lttng-tools

How To Uninstall lttng-tools on Ubuntu 18.04

To uninstall only the lttng-tools package we can use the following command:

sudo apt-get remove lttng-tools

Uninstall lttng-tools And Its Dependencies

To uninstall lttng-tools and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove lttng-tools

Remove lttng-tools Configurations and Data

To remove lttng-tools configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge lttng-tools

Remove lttng-tools configuration, data, and all of its dependencies

We can use the following command to remove lttng-tools configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge lttng-tools

References

Summary

In this tutorial we learn how to install lttng-tools package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.