How To Install criu on Fedora 34

criu is Tool for Checkpoint/Restore in User-space

Introduction

In this tutorial we learn how to install criu on Fedora 34.

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 Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install criu.

Install criu on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 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 Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 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 Fedora 34

To uninstall only the criu package we can use the following command:

sudo dnf remove criu

criu Package Contents on Fedora 34

/run/criu
/usr/lib/.build-id
/usr/lib/.build-id/e1
/usr/lib/.build-id/e1/458dc276bddbde4c0ee4c5493d3922c1cb2b15
/usr/lib/tmpfiles.d/criu.conf
/usr/libexec/criu
/usr/libexec/criu/scripts
/usr/libexec/criu/scripts/systemd-autofs-restart.sh
/usr/sbin/criu
/usr/share/doc/criu
/usr/share/doc/criu/COPYING
/usr/share/doc/criu/README.md
/usr/share/man/man1/compel.1.gz
/usr/share/man/man8/criu.8.gz

References

Summary

In this tutorial we learn how to install criu on Fedora 34 using yum and dnf.