# exists and systemd currently does not support the cgroup feature set required # the default is not to use systemd for cgroups because the delegate issues still Systemd starts dockerd here, you can see that from the service file in /lib/systemd/system/rvice: ĭescription=Docker Application Container EngineĪfter=network-online.target rvice ~]# docker -vĭocker version 17.12.0-ce, build ~]# ps aux | grep docker I don’t have /usr/bin/docker-current here. But only on RHEL/CentOS 7 where this comes from the RHEL repositories. It seems that docker is actually a script which performs a lookup for possible paths. No need for a migration run to Ubuntu imho. So this somehow seems to be related to the missing enable/start step on CentOS. This also works for me with setenforce 1 as the Docker package installs an SELinux policy. This process may take anywhere between a few minutes to an hour, depending on your network speed WARNING: We are about to start downloading the Discourse base image Which: no docker.io in (/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/root/bin) This is the case even with "update-crypto-policies -set DEFAULT".Bootstrap afterwards works then. However, the website also uses an SSL encryption not supported by RHEL 8.0, and requiring extensive "dnf update" commands to enable. It's not the first time they've done this, they do it with sssd versus the upstream published, upen source Samba software. Many vendors still rely on docker-ce and have not updated to podman, leaving RHEL 8 maintainers with some very awkward choices about compliance with their vendor's installation instructions and Red Hat's corporate support for podman instead. It's true that the published "docker-ce.repo" file does not work for RHEL 8, and needs to be edited to point to CentOS for access. There is a package called "docker" available on RHEL 8, apparently podman based, but quite distinct frm the open source "docker-ce" package from upstream. The title should be refined to "Unable to install docker-ce on RHEL 8".
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