How To Install clevis-luks on CentOS 8

clevis-luks is LUKS integration for clevis

Introduction

In this tutorial we learn how to install clevis-luks on CentOS 8.

What is clevis-luks

LUKS integration for clevis. This package allows you to bind a LUKS volume to a clevis unlocking policy. For automated unlocking, an unlocker will also be required. See, for example, clevis-dracut and clevis-udisks2.

We can use yum or dnf to install clevis-luks on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install clevis-luks.

Install clevis-luks 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 clevis-luks using dnf by running the following command:

sudo dnf -y install clevis-luks

Install clevis-luks 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 clevis-luks using yum by running the following command:

sudo yum -y install clevis-luks

How To Uninstall clevis-luks on CentOS 8

To uninstall only the clevis-luks package we can use the following command:

sudo dnf remove clevis-luks

clevis-luks Package Contents on CentOS 8

/usr/bin/clevis-luks-bind
/usr/bin/clevis-luks-common-functions
/usr/bin/clevis-luks-edit
/usr/bin/clevis-luks-list
/usr/bin/clevis-luks-pass
/usr/bin/clevis-luks-regen
/usr/bin/clevis-luks-report
/usr/bin/clevis-luks-unbind
/usr/bin/clevis-luks-unlock
/usr/share/man/man1/clevis-luks-bind.1.gz
/usr/share/man/man1/clevis-luks-edit.1.gz
/usr/share/man/man1/clevis-luks-list.1.gz
/usr/share/man/man1/clevis-luks-pass.1.gz
/usr/share/man/man1/clevis-luks-regen.1.gz
/usr/share/man/man1/clevis-luks-report.1.gz
/usr/share/man/man1/clevis-luks-unbind.1.gz
/usr/share/man/man1/clevis-luks-unlock.1.gz
/usr/share/man/man7/clevis-luks-unlockers.7.gz

References

Summary

In this tutorial we learn how to install clevis-luks on CentOS 8 using yum and dnf.