[系统运维]centos8安装docker

终端输入一键安装

curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun

可能会遇到这种错误

[root@centos8 wxf]# curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
# Executing docker install script, commit: 93d2499759296ac1f9c510605fef85052a2c32be
+ sh -c 'yum install -y -q yum-utils'
+ sh -c 'yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo'
添加仓库自：https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
+ '[' stable '!=' stable ']'
+ sh -c 'yum makecache'
CentOS Linux 8 - AppStream                                                                                        2.6 kB/s | 4.3 kB     00:01    
CentOS Linux 8 - BaseOS                                                                                           5.9 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Extras                                                                                           2.3 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                                                                       8.9 kB/s | 4.3 kB     00:00    
Docker CE Stable - x86_64                                                                                          27 kB/s | 3.5 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64                                                            2.5 kB/s | 8.7 kB     00:03    
Extra Packages for Enterprise Linux 8 - x86_64                                                                    1.0 kB/s | 7.4 kB     00:07    
元数据缓存已建立。
+ '[' -n '' ']'
+ sh -c 'yum install -y -q docker-ce'
错误：
 问题: problem with installed package buildah-1.19.7-1.module_el8.4.0+781+acf4c33b.x86_64
  - package buildah-1.19.7-1.module_el8.4.0+781+acf4c33b.x86_64 requires runc >= 1.0.0-26, but none of the providers can be installed
  - package buildah-1.21.4-2.module_el8.4.0+942+d25aada8.x86_64 requires runc >= 1.0.0-26, but none of the providers can be installed
  - package buildah-1.21.4-1.module_el8.4.0+886+c9a8d9ad.x86_64 requires runc >= 1.0.0-26, but none of the providers can be installed
  - package buildah-1.19.7-2.module_el8.4.0+830+8027e1c4.x86_64 requires runc >= 1.0.0-26, but none of the providers can be installed

出错执行这条指令

yum erase podman buildah

设置开机自启并启动docker

systemctl enable docker.service
systemctl start docker.service

测试

docker --version
sudo docker run hello-world