How To Install libvirt-lock-sanlock on CentOS 8

libvirt-lock-sanlock is Sanlock lock manager plugin for QEMU driver

Introduction

In this tutorial we learn how to install libvirt-lock-sanlock on CentOS 8.

What is `libvirt-lock-sanlock`

Includes the Sanlock lock manager plugin for the QEMU driver

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

Install libvirt-lock-sanlock 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 libvirt-lock-sanlock using dnf by running the following command:

sudo dnf -y install libvirt-lock-sanlock

Install libvirt-lock-sanlock 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 libvirt-lock-sanlock using yum by running the following command:

sudo yum -y install libvirt-lock-sanlock

How To Uninstall libvirt-lock-sanlock on CentOS 8

To uninstall only the libvirt-lock-sanlock package we can use the following command:

sudo dnf remove libvirt-lock-sanlock

libvirt-lock-sanlock Package Contents on CentOS 8

/etc/libvirt/qemu-sanlock.conf
/usr/lib/.build-id
/usr/lib/.build-id/32
/usr/lib/.build-id/32/9b1ad584bf45ad9f913aafa0eaa35a0fb831e0
/usr/lib/.build-id/41
/usr/lib/.build-id/41/c4b086461bf918ca01c831b38b338c5ebdd254
/usr/lib64/libvirt/lock-driver/sanlock.so
/usr/libexec/libvirt_sanlock_helper
/usr/sbin/virt-sanlock-cleanup
/usr/share/augeas/lenses/libvirt_sanlock.aug
/usr/share/augeas/lenses/tests/test_libvirt_sanlock.aug
/usr/share/man/man8/virt-sanlock-cleanup.8.gz
/var/lib/libvirt/sanlock

References

libvirt-lock-sanlock website

Summary

In this tutorial we learn how to install libvirt-lock-sanlock on CentOS 8 using yum and dnf.