If you try to install on a CentOS 8 docker-ce and you get the following error:
[operatorfeitam@localhost ~]$ sudo yum install docker-ce docker-ce-cli containerd.io
Last metadata expiration check: 0:03:31 ago on Sat 22 May 2021 11:10:20 AM CEST.
Error:
Problem 1: problem with installed package podman-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64
- package podman-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64 requires runc >= 1.0.0-57, but none of the providers can be installed
- package containerd.io-1.4.4-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
- package containerd.io-1.4.4-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
- cannot install the best candidate for the job
- package runc-1.0.0-64.rc10.module_el8.3.0+479+69e2ae26.x86_64 is filtered out by modular filtering
Problem 2: problem with installed package buildah-1.16.7-4.module_el8.3.0+699+d61d9c41.x86_64
- package buildah-1.16.7-4.module_el8.3.0+699+d61d9c41.x86_64 requires runc >= 1.0.0-26, but none of the providers can be installed
- package docker-ce-3:20.10.6-3.el8.x86_64 requires containerd.io >= 1.4.1, but none of the providers can be installed
- package containerd.io-1.4.3-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
- package containerd.io-1.4.3-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
- package containerd.io-1.4.3-3.2.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
- package containerd.io-1.4.3-3.2.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
- package containerd.io-1.4.4-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
- package containerd.io-1.4.4-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
- conflicting requests
- package runc-1.0.0-56.rc5.dev.git2abd837.module_el8.3.0+569+1bada2e4.x86_64 is filtered out by modular filtering
- package runc-1.0.0-64.rc10.module_el8.3.0+479+69e2ae26.x86_64 is filtered out by modular filtering
(try to add '--allowerasing' to command line to replace conflicting packages or '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
[operatorfeitam@localhost ~]$
The issue is fixed by removing CentOS podman and buildah packages by presenting conflicts with docker-ce:
[operatorfeitam@localhost ~]$ sudo yum erase podman buildah
Dependencies resolved.
=========================================================================================================================================================
Package Architecture Version Repository Size
=========================================================================================================================================================
Removing:
buildah x86_64 1.16.7-4.module_el8.3.0+699+d61d9c41 @AppStream 29 M
podman x86_64 2.2.1-7.module_el8.3.0+699+d61d9c41 @AppStream 52 M
Removing dependent packages:
cockpit-podman noarch 27.1-3.module_el8.3.0+699+d61d9c41 @AppStream 3.7 M
podman-catatonit x86_64 2.2.1-7.module_el8.3.0+699+d61d9c41 @AppStream 753 k
toolbox noarch 0.0.8-1.module_el8.3.0+475+c50ce30b @appstream 18 k
Removing unused dependencies:
conmon x86_64 2:2.0.22-3.module_el8.3.0+699+d61d9c41 @AppStream 164 k
container-selinux noarch 2:2.155.0-1.module_el8.3.0+699+d61d9c41 @AppStream 46 k
criu x86_64 3.15-1.module_el8.3.0+699+d61d9c41 @AppStream 1.4 M
libnet x86_64 1.1.6-15.el8 @AppStream 170 k
protobuf-c x86_64 1.3.0-4.el8 @AppStream 56 k
runc x86_64 1.0.0-70.rc92.module_el8.3.0+699+d61d9c41 @AppStream 13 M
Transaction Summary
=========================================================================================================================================================
Remove 11 Packages
Freed space: 100 M
Is this ok [y/N]: y
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Running scriptlet: buildah-1.16.7-4.module_el8.3.0+699+d61d9c41.x86_64 1/1
Erasing : buildah-1.16.7-4.module_el8.3.0+699+d61d9c41.x86_64 1/11
Erasing : toolbox-0.0.8-1.module_el8.3.0+475+c50ce30b.noarch 2/11
Erasing : cockpit-podman-27.1-3.module_el8.3.0+699+d61d9c41.noarch 3/11
Erasing : podman-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64 4/11
Running scriptlet: podman-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64 4/11
Running scriptlet: container-selinux-2:2.155.0-1.module_el8.3.0+699+d61d9c41.noarch 5/11
Erasing : container-selinux-2:2.155.0-1.module_el8.3.0+699+d61d9c41.noarch 5/11
Running scriptlet: container-selinux-2:2.155.0-1.module_el8.3.0+699+d61d9c41.noarch 5/11
Erasing : podman-catatonit-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64 6/11
Erasing : runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64 7/11
Erasing : criu-3.15-1.module_el8.3.0+699+d61d9c41.x86_64 8/11
Erasing : libnet-1.1.6-15.el8.x86_64 9/11
Running scriptlet: libnet-1.1.6-15.el8.x86_64 9/11
Erasing : protobuf-c-1.3.0-4.el8.x86_64 10/11
Erasing : conmon-2:2.0.22-3.module_el8.3.0+699+d61d9c41.x86_64 11/11
Running scriptlet: conmon-2:2.0.22-3.module_el8.3.0+699+d61d9c41.x86_64 11/11
Verifying : buildah-1.16.7-4.module_el8.3.0+699+d61d9c41.x86_64 1/11
Verifying : cockpit-podman-27.1-3.module_el8.3.0+699+d61d9c41.noarch 2/11
Verifying : conmon-2:2.0.22-3.module_el8.3.0+699+d61d9c41.x86_64 3/11
Verifying : container-selinux-2:2.155.0-1.module_el8.3.0+699+d61d9c41.noarch 4/11
Verifying : criu-3.15-1.module_el8.3.0+699+d61d9c41.x86_64 5/11
Verifying : libnet-1.1.6-15.el8.x86_64 6/11
Verifying : podman-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64 7/11
Verifying : podman-catatonit-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64 8/11
Verifying : protobuf-c-1.3.0-4.el8.x86_64 9/11
Verifying : runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64 10/11
Verifying : toolbox-0.0.8-1.module_el8.3.0+475+c50ce30b.noarch 11/11
Installed products updated.
Removed:
buildah-1.16.7-4.module_el8.3.0+699+d61d9c41.x86_64 cockpit-podman-27.1-3.module_el8.3.0+699+d61d9c41.noarch
conmon-2:2.0.22-3.module_el8.3.0+699+d61d9c41.x86_64 container-selinux-2:2.155.0-1.module_el8.3.0+699+d61d9c41.noarch
criu-3.15-1.module_el8.3.0+699+d61d9c41.x86_64 libnet-1.1.6-15.el8.x86_64
podman-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64 podman-catatonit-2.2.1-7.module_el8.3.0+699+d61d9c41.x86_64
protobuf-c-1.3.0-4.el8.x86_64 runc-1.0.0-70.rc92.module_el8.3.0+699+d61d9c41.x86_64
toolbox-0.0.8-1.module_el8.3.0+475+c50ce30b.noarch
Complete!
[operatorfeitam@localhost ~]$
And then you can now run the docker-ce, docker-cd-cli installation and containerd.io with:
sudo yum install docker-ce docker-ce-cli containerd.io
And then you can now run the docker-ce, docker-cd-cli installation and containerd.io with:
[operatorfeitam@localhost ~]$ docker -v
Docker version 20.10.6, build 370c289
[operatorfeitam@localhost ~]$
