How To Install btrfs-compsize on Ubuntu 18.04

In this tutorial we learn how to install btrfs-compsize on Ubuntu 18.04. btrfs-compsize is calculate compression ratio of a set of files on btrfs

Introduction

In this tutorial we learn how to install btrfs-compsize on Ubuntu 18.04.

What is btrfs-compsize

btrfs-compsize is:

Compsize takes a list of files on a btrfs filesystem (recursing directories) and measures used compression types and the effective compression ratio.

Because of partially used extents on one hand, and multiple reflinks to an extent on the other, the definition of used space can be quite unintuitive. This program provides answers at different stages:

  • blocks on the disk
  • uncompressed extents
  • apparent file sizes (sans holes)

There are three methods to install btrfs-compsize 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 btrfs-compsize Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install btrfs-compsize

Install btrfs-compsize Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install btrfs-compsize

Install btrfs-compsize 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 btrfs-compsize using aptitude by running the following command:

sudo aptitude -y install btrfs-compsize

How To Uninstall btrfs-compsize on Ubuntu 18.04

To uninstall only the btrfs-compsize package we can use the following command:

sudo apt-get remove btrfs-compsize

Uninstall btrfs-compsize And Its Dependencies

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

sudo apt-get -y autoremove btrfs-compsize

Remove btrfs-compsize Configurations and Data

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

sudo apt-get -y purge btrfs-compsize

Remove btrfs-compsize configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge btrfs-compsize

References

Summary

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