How To Install lsof on Ubuntu 20.04

In this tutorial we learn how to install lsof on Ubuntu 20.04. lsof is utility to list open files utility to list open files

Introduction

In this tutorial we learn how to install lsof on Ubuntu 20.04.

What is lsof

Lsof is a Unix-specific diagnostic tool. Its name stands for LiSt Open Files, and it does just that. It lists information about any files that are open, by processes currently running on the system. Lsof is a Unix-specific diagnostic tool. Its name stands for LiSt Open Files, and it does just that. It lists information about any files that are open, by processes currently running on the system.

There are three ways to install lsof on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install lsof Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

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

sudo apt-get -y install lsof

Install lsof Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install lsof using apt by running the following command:

sudo apt -y install lsof

Install lsof 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 lsof using aptitude by running the following command:

sudo aptitude -y install lsof

How To Uninstall lsof on Ubuntu 20.04

To uninstall only the lsof package we can use the following command:

sudo apt-get remove lsof

Uninstall lsof And Its Dependencies

To uninstall lsof and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove lsof

Remove lsof Configurations and Data

To remove lsof configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge lsof

Remove lsof configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge lsof

References

Summary

In this tutorial we learn how to install lsof on Ubuntu 20.04 using different package management tools like apt, apt-get and aptitude.