#?cat?/etc/redhat-release CentOS?Linux?release?7.9.2009?(Core)
yum?install?-y?yum-utils yum-config-manager?--add-repo?https://download.docker.com/linux/centos/docker-ce.repo 或者 yum-config-manager?--add-repo?http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo yum-config-manager?--enable?docker-ce-nightly
#?yum?install?docker-ce?docker-ce-cli?containerd.io?-y Loaded?plugins:?fastestmirror Loading?mirror?speeds?from?cached?hostfile Resolving?Dependencies -->?Running?transaction?check --->?Package?docker-ce.x86_64?3:20.10.6-3.el7?will?be?installed -->?Processing?Dependency:?container-selinux?>=?2:2.74?for?package:?3:docker-ce-20.10.6-3.el7.x86_64 -->?Processing?Dependency:?containerd.io?>=?1.4.1?for?package:?3:docker-ce-20.10.6-3.el7.x86_64 -->?Processing?Dependency:?docker-ce-cli?for?package:?3:docker-ce-20.10.6-3.el7.x86_64 -->?Processing?Dependency:?docker-ce-rootless-extras?for?package:?3:docker-ce-20.10.6-3.el7.x86_64 -->?Processing?Dependency:?libcgroup?for?package:?3:docker-ce-20.10.6-3.el7.x86_64 -->?Running?transaction?check --->?Package?containerd.io.x86_64?0:1.4.4-3.1.el7?will?be?installed -->?Processing?Dependency:?container-selinux?>=?2:2.74?for?package:?containerd.io-1.4.4-3.1.el7.x86_64 --->?Package?docker-ce.x86_64?3:20.10.6-3.el7?will?be?installed -->?Processing?Dependency:?container-selinux?>=?2:2.74?for?package:?3:docker-ce-20.10.6-3.el7.x86_64 --->?Package?docker-ce-cli.x86_64?1:20.10.6-3.el7?will?be?installed -->?Processing?Dependency:?docker-scan-plugin(x86-64)?for?package:?1:docker-ce-cli-20.10.6-3.el7.x86_64 --->?Package?docker-ce-rootless-extras.x86_64?0:20.10.6-3.el7?will?be?installed -->?Processing?Dependency:?fuse-overlayfs?>=?0.7?for?package:?docker-ce-rootless-extras-20.10.6-3.el7.x86_64 -->?Processing?Dependency:?slirp4netns?>=?0.4?for?package:?docker-ce-rootless-extras-20.10.6-3.el7.x86_64 --->?Package?libcgroup.x86_64?0:0.41-21.el7?will?be?installed -->?Running?transaction?check --->?Package?containerd.io.x86_64?0:1.4.4-3.1.el7?will?be?installed -->?Processing?Dependency:?container-selinux?>=?2:2.74?for?package:?containerd.io-1.4.4-3.1.el7.x86_64 --->?Package?docker-ce.x86_64?3:20.10.6-3.el7?will?be?installed -->?Processing?Dependency:?container-selinux?>=?2:2.74?for?package:?3:docker-ce-20.10.6-3.el7.x86_64 --->?Package?docker-ce-rootless-extras.x86_64?0:20.10.6-3.el7?will?be?installed -->?Processing?Dependency:?fuse-overlayfs?>=?0.7?for?package:?docker-ce-rootless-extras-20.10.6-3.el7.x86_64 -->?Processing?Dependency:?slirp4netns?>=?0.4?for?package:?docker-ce-rootless-extras-20.10.6-3.el7.x86_64 --->?Package?docker-scan-plugin.x86_64?0:0.7.0-3.el7?will?be?installed -->?Finished?Dependency?Resolution Error:?Package:?docker-ce-rootless-extras-20.10.6-3.el7.x86_64?(docker-ce-stable) ???????????Requires:?slirp4netns?>=?0.4 Error:?Package:?containerd.io-1.4.4-3.1.el7.x86_64?(docker-ce-nightly) ???????????Requires:?container-selinux?>=?2:2.74 Error:?Package:?3:docker-ce-20.10.6-3.el7.x86_64?(docker-ce-stable) ???????????Requires:?container-selinux?>=?2:2.74 Error:?Package:?docker-ce-rootless-extras-20.10.6-3.el7.x86_64?(docker-ce-stable) ???????????Requires:?fuse-overlayfs?>=?0.7 ?You?could?try?using?--skip-broken?to?work?around?the?problem ?You?could?try?running:?rpm?-Va?--nofiles?--nodigest
[centos-extras] name=Centos?extras?-?$basearch baseurl=http://mirror.centos.org/centos/7/extras/x86_64 enabled=1 gpgcheck=0
yum?-y?install?slirp4netns?fuse-overlayfs?container-selinux
原文：https://blog.51cto.com/hunt1574/2818663