How To Install fsverity-utils on CentOS 8
Introduction
In this tutorial we learn how to install fsverity-utils on CentOS 8.
What is fsverity-utils
This is fsverity, a userspace utility for fs-verity. 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. The fsverity utility allows you to set up fs-verity protected files.
We can use yum or dnf to install fsverity-utils on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install fsverity-utils.
Install fsverity-utils on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install fsverity-utils using dnf by running the following command:
sudo dnf -y install fsverity-utils
Install fsverity-utils on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install fsverity-utils using yum by running the following command:
sudo yum -y install fsverity-utils
How To Uninstall fsverity-utils on CentOS 8
To uninstall only the fsverity-utils package we can use the following command:
sudo dnf remove fsverity-utils
fsverity-utils Package Contents on CentOS 8
/usr/bin/fsverity
/usr/lib/.build-id
/usr/lib/.build-id/04
/usr/lib/.build-id/04/4593ab9b46d3b14ea15c42cdb65c40f093eda8
/usr/lib/.build-id/26
/usr/lib/.build-id/26/97907b23fed69334ef41580c6d06ab21bc06cf
/usr/lib64/libfsverity.so.0
/usr/share/doc/fsverity-utils
/usr/share/doc/fsverity-utils/README.md
/usr/share/licenses/fsverity-utils
/usr/share/licenses/fsverity-utils/LICENSE
References
Summary
In this tutorial we learn how to install fsverity-utils on CentOS 8 using yum and dnf.