How To Install criu on CentOS 8
Introduction
In this tutorial we learn how to install criu on CentOS 8.
What is criu
criu is the user-space part of Checkpoint/Restore in User-space (CRIU), a project to implement checkpoint/restore functionality for Linux in user-space.
We can use yum or dnf to install criu on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install criu.
Install criu 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 criu using dnf by running the following command:
sudo dnf -y install criu
Install criu 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 criu using yum by running the following command:
sudo yum -y install criu
How To Uninstall criu on CentOS 8
To uninstall only the criu package we can use the following command:
sudo dnf remove criu
criu Package Contents on CentOS 8
/run/criu
/usr/lib/.build-id
/usr/lib/.build-id/c0
/usr/lib/.build-id/c0/8ff77d6d0fd380afbf1f55a3ebe95467fa4ee3
/usr/lib/tmpfiles.d/criu.conf
/usr/sbin/criu
/usr/share/doc/criu
/usr/share/doc/criu/COPYING
/usr/share/doc/criu/README.md
/usr/share/man/man8/criu.8.gz
References
Summary
In this tutorial we learn how to install criu on CentOS 8 using yum and dnf.