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I try to install docker-ce on redhat 8 but it failed
first, I try
# systemctl enable docker
Failed to enable unit: Unit file docker.service does not exist.
So, I want to install docker-ce for the daemon
# yum install yum-utils
# yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# yum repolist -v
# yum list docker-ce --showduplicates | sort -r
# yum install docker-ce
but in this step, I have got this :
# yum install docker-ce
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Last metadata expiration check: 0:02:58 ago on Fri 26 Jul 2019 02:11:48 PM UTC.
Error:
Problem: package docker-ce-3:19.03.1-3.el7.x86_64 requires containerd.io >= 1.2.2-3, but none of the providers can be installed
- cannot install the best candidate for the job
- package containerd.io-1.2.2-3.3.el7.x86_64 is excluded
- package containerd.io-1.2.2-3.el7.x86_64 is excluded
- package containerd.io-1.2.4-3.1.el7.x86_64 is excluded
- package containerd.io-1.2.5-3.1.el7.x86_64 is excluded
- package containerd.io-1.2.6-3.3.el7.x86_64 is excluded
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
I create a redhat account, but I have got this problem :
# subscription-manager register --force
Registering to: subscription.rhsm.redhat.com:443/subscription
Username: xxxxxxxxxxx
Password:
The system has been registered with ID: 6c07b574-2601-4a84-90d4-a9dfdc499c2f
The registered system name is: ip-172-31-11-95.us-east-2.compute.internal
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/dnf/repo.py", line 566, in load
ret = self._repo.load()
File "/usr/lib64/python3.6/site-packages/libdnf/repo.py", line 503, in load
return _repo.Repo_load(self)
RuntimeError: Failed to synchronize cache for repo 'rhui-client-config-server-8'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib64/python3.6/site-packages/subscription_manager/cache.py", line 173, in update_check
self._sync_with_server(uep, consumer_uuid)
File "/usr/lib64/python3.6/site-packages/subscription_manager/cache.py", line 477, in _sync_with_server
combined_profile = self.current_profile
File "/usr/lib64/python3.6/site-packages/subscription_manager/cache.py", line 430, in current_profile
module_profile = get_profile('modulemd').collect()
File "/usr/lib64/python3.6/site-packages/rhsm/profile.py", line 347, in get_profile
profile = PROFILE_MAP[profile_type]()
File "/usr/lib64/python3.6/site-packages/rhsm/profile.py", line 54, in __init__
self.content = self.__generate()
File "/usr/lib64/python3.6/site-packages/rhsm/profile.py", line 76, in __generate
base.fill_sack()
File "/usr/lib/python3.6/site-packages/dnf/base.py", line 400, in fill_sack
self._add_repo_to_sack(r)
File "/usr/lib/python3.6/site-packages/dnf/base.py", line 135, in _add_repo_to_sack
repo.load()
File "/usr/lib/python3.6/site-packages/dnf/repo.py", line 568, in load
raise dnf.exceptions.RepoError(str(e))
dnf.exceptions.RepoError: Failed to synchronize cache for repo 'rhui-client-config-server-8'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/sbin/subscription-manager", line 11, in <module>
load_entry_point('subscription-manager==1.23.8', 'console_scripts', 'subscription-manager')()
File "/usr/lib64/python3.6/site-packages/subscription_manager/scripts/subscription_manager.py", line 85, in main
return managercli.ManagerCLI().main()
File "/usr/lib64/python3.6/site-packages/subscription_manager/managercli.py", line 2918, in main
ret = CLI.main(self)
File "/usr/lib64/python3.6/site-packages/subscription_manager/cli.py", line 183, in main
return cmd.main()
File "/usr/lib64/python3.6/site-packages/subscription_manager/managercli.py", line 506, in main
return_code = self._do_command()
File "/usr/lib64/python3.6/site-packages/subscription_manager/managercli.py", line 1368, in _do_command
profile_mgr.update_check(self.cp, consumer['uuid'], True)
File "/usr/lib64/python3.6/site-packages/subscription_manager/cache.py", line 457, in update_check
return CacheManager.update_check(self, uep, consumer_uuid, force)
File "/usr/lib64/python3.6/site-packages/subscription_manager/cache.py", line 183, in update_check
raise Exception(_("Error updating system data on the server, see /var/log/rhsm/rhsm.log "
Exception: Error updating system data on the server, see /var/log/rhsm/rhsm.log for more details.
417
In short, you can use your developer subscription to install and run Docker as provided by Red Hat (see Getting Docker in RHEL 7 for instructions). You can also install either Docker EE (which you need to pay for to Docker, Inc.) or Docker CE if you chose, but there's no need to.
OS requirements. To install Docker Engine, you need a maintained version of RHEL 7, RHEL 8 or RHEL 9 on s390x (IBM Z). Archived versions aren't supported or tested. The overlay2 storage driver is recommended.
Docker CE is a free and open source containerization platform. It is a rebranded version of the Docker open source solution that has been freely available since the launch of Docker in 2013.
Disabling the container-tools module (installed by default) resolves the conflict: dnf module disable container-tools
However, you first need to install the container-selinux dependency, which is provided by the same module:
[root@centos8-2gb-hel1-1 ~]# yum install container-selinux
...
[root@centos8-2gb-hel1-1 ~]# yum module disable container-tools
Last metadata expiration check: 0:05:02 ago on Mon Feb 10 16:31:17 2020.
Dependencies resolved.
======================================================================================================================
Package Architecture Version Repository Size
======================================================================================================================
Disabling modules:
container-tools
Transaction Summary
======================================================================================================================
Is this ok [y/N]: y
Complete!
The docker-ce package can now be installed normally with the previously installed container-selinux version and the new containerd.io depdency:
[root@centos8-2gb-hel1-1 ~]# yum install docker-ce
Last metadata expiration check: 0:06:26 ago on Mon Feb 10 16:31:17 2020.
Dependencies resolved.
======================================================================================================================
Package Arch Version Repository Size
======================================================================================================================
Installing:
docker-ce x86_64 3:19.03.5-3.el7 docker-ce-stable 24 M
Installing dependencies:
libcgroup x86_64 0.41-19.el8 BaseOS 70 k
tar x86_64 2:1.30-4.el8 BaseOS 838 k
containerd.io x86_64 1.2.10-3.2.el7 docker-ce-stable 23 M
docker-ce-cli x86_64 1:19.03.5-3.el7 docker-ce-stable 39 M
Transaction Summary
======================================================================================================================
Install 5 Packages
Total download size: 108 M
Is this ok [y/N]:
RHEL/CentOS 8 excluding the containerd.io package is related to the runc provide conflicting with the runc package from the container-tools module: https://bugzilla.redhat.com/show_bug.cgi?id=1756473
[root@centos8-2gb-hel1-1 ~]# yum provides runc
Last metadata expiration check: 0:07:21 ago on Mon Feb 10 16:31:17 2020.
...
containerd.io-1.2.10-3.2.el7.x86_64 : An industry-standard container runtime
Repo : docker-ce-stable
Matched from:
Provide : runc
runc-1.0.0-60.rc8.module_el8.1.0+237+63e26edc.x86_64 : CLI for running Open Containers
Repo : AppStream
Matched from:
Provide : runc = 1.0.0-60.rc8.module_el8.1.0+237+63e26edc
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