Introduction
In this tutorial we learn how to install libfsverity-dev on Ubuntu 22.04.
What is libfsverity-dev
libfsverity-dev is:
fs-verity is a Linux kernel feature that does transparent on-demand
integrity/authenticity verification of the contents of read-only files,
using a hidden Merkle tree (hash tree) associated with the file. The
mechanism is similar to dm-verity, but implemented at the file level
rather than at the block device level.
This package contains the libfsverity development libraries and header files.
There are three methods to install libfsverity-dev on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libfsverity-dev Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libfsverity-dev using apt-get by running the following command:
sudo apt-get -y install libfsverity-dev
Install libfsverity-dev Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libfsverity-dev using apt by running the following command:
sudo apt -y install libfsverity-dev
Install libfsverity-dev 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 libfsverity-dev using aptitude by running the following command:
sudo aptitude -y install libfsverity-dev
How To Uninstall libfsverity-dev on Ubuntu 22.04
To uninstall only the libfsverity-dev package we can use the following command:
sudo apt-get remove libfsverity-dev
Uninstall libfsverity-dev And Its Dependencies
To uninstall libfsverity-dev and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove libfsverity-dev
Remove libfsverity-dev Configurations and Data
To remove libfsverity-dev configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge libfsverity-dev
Remove libfsverity-dev configuration, data, and all of its dependencies
We can use the following command to remove libfsverity-dev configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libfsverity-dev
References
Summary
In this tutorial we learn how to install libfsverity-dev package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
