problem with installed package containerd.io-1.2.6-3.3.fc30.x86_64
执行yum install -y docker-ce
报错了，查资料执行
yum install https://download.docker.com/linux/centos/8/x86_64/stable/Packages/containerd.io-1.4.3-3.1.el8.x86_64.rpm
又有冲突，报错
Problem: problem with installed package containers-common-2:1-2.module_el8.5.0+890+6b136101.noarch - package containers-common-2:1-2.module_el8.5.0+890+6b136101.noarch requires runc, but none of the providers can be installed - package containerd.io-1.2.6-3.3.fc30.x86_64 conflicts with containerd provided by containerd.io-1.4.3-3.1.el8.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 conflicts with runc provided by containerd.io-1.2.6-3.3.fc30.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 conflicts with containerd provided by containerd.io-1.2.6-3.3.fc30.x86_64 - cannot install both containerd.io-1.4.3-3.1.el8.x86_64 and containerd.io-1.2.6-3.3.fc30.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 conflicts with runc provided by runc-1.0.2-1.module_el8.5.0+911+f19012f9.x86_64 - package containerd.io-1.4.3-3.1.el8.x86_64 obsoletes runc provided by runc-1.0.2-1.module_el8.5.0+911+f19012f9.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-1.0.0-66.rc10.module_el8.5.0+1004+c00a74f5.x86_64 is filtered out by modular filtering - package runc-1.0.0-72.rc92.module_el8.5.0+1006+8d0e68a2.x86_64 is filtered out by modular filtering
应该是版本的问题，找到对应版本，执行
yum install https://download.docker.com/linux/centos/8/x86_64/stable/Packages/containerd.io-1.4.3-3.1.el8.x86_64.rpm --allowerasing
解决
