[root@centos7 ~]#cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)
[root@centos7 ~]#ls /etc/yum.repos.d/
backup base.repo
[root@centos7 ~]#wget -P /etc/yum.repos.d/ https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
Saving to: ‘/etc/yum.repos.d/docker-ce.repo’
100%[====================================================================>] 2,640 --.-K/s in 0s
2020-01-23 21:56:21 (505 MB/s) - ‘/etc/yum.repos.d/docker-ce.repo’ saved [2640/2640]
[root@centos7 ~]#ls /etc/yum.repos.d/
backup base.repo docker-ce.repo
[root@centos7 ~]#yum clean all
Loaded plugins: fastestmirror
Cleaning repos: base docker-ce-stable epel extras
Cleaning up list of fastest mirrors
[root@centos7 ~]#yum repolist
repo id repo name status
base CentOS 10,019
docker-ce-stable/x86_64 Docker CE Stable - x86_64 63
epel/7/x86_64 EPEL 13,513
extras/7/x86_64 extras 307
repolist: 23,902
[root@centos7 ~]#yum list docker-ce* --showduplicates | sort -r
Loading mirror speeds from cached hostfile
Loaded plugins: fastestmirror
docker-ce.x86_64 3:19.03.5-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.4-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.3-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.2-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.1-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.0-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.9-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.8-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.7-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.6-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.5-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.4-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.3-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.2-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.1-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.0-3.el7 docker-ce-stable
docker-ce.x86_64 18.06.3.ce-3.el7 docker-ce-stable
docker-ce.x86_64 18.06.2.ce-3.el7 docker-ce-stable
docker-ce.x86_64 18.06.1.ce-3.el7 docker-ce-stable
docker-ce.x86_64 18.06.0.ce-3.el7 docker-ce-stable
docker-ce.x86_64 18.03.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 18.03.0.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.12.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.12.0.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.09.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.09.0.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.06.2.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.06.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.06.0.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.03.3.ce-1.el7 docker-ce-stable
docker-ce.x86_64 17.03.2.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.03.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.03.0.ce-1.el7.centos docker-ce-stable
docker-ce-selinux.noarch 17.03.3.ce-1.el7 docker-ce-stable
docker-ce-selinux.noarch 17.03.2.ce-1.el7.centos docker-ce-stable
docker-ce-selinux.noarch 17.03.1.ce-1.el7.centos docker-ce-stable
docker-ce-selinux.noarch 17.03.0.ce-1.el7.centos docker-ce-stable
docker-ce-cli.x86_64 1:19.03.5-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:19.03.4-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:19.03.3-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:19.03.2-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:19.03.1-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:19.03.0-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.9-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.8-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.7-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.6-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.5-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.4-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.3-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.2-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.1-3.el7 docker-ce-stable
docker-ce-cli.x86_64 1:18.09.0-3.el7 docker-ce-stable
Available Packages
[root@centos7 ~]#yum -y install docker-ce-18.09.9-3.el7 docker-ce-cli-18.09.9-3.el7
Dependencies Resolved
=========================================================================================
Package Arch Version Repository Size
=========================================================================================
Installing:
docker-ce x86_64 3:18.09.9-3.el7 docker-ce-stable 21 M
docker-ce-cli x86_64 1:18.09.9-3.el7 docker-ce-stable 16 M
Installing for dependencies:
audit-libs-python x86_64 2.8.4-4.el7 base 76 k
checkpolicy x86_64 2.5-8.el7 base 295 k
container-selinux noarch 2:2.107-3.el7 extras 39 k
containerd.io x86_64 1.2.10-3.2.el7 docker-ce-stable 23 M
libcgroup x86_64 0.41-20.el7 base 66 k
libsemanage-python x86_64 2.5-14.el7 base 113 k
policycoreutils-python x86_64 2.5-29.el7 base 456 k
python-IPy noarch 0.75-6.el7 base 32 k
setools-libs x86_64 3.3.8-4.el7 base 620 k
Transaction Summary
==============================================================================================================
Install 2 Packages (+9 Dependent packages)
Total download size: 62 M
Installed size: 258 M
Downloading packages:
(1/4): container-selinux-2.107-3.el7.noarch.rpm | 39 kB 00:00:00
warning: /var/cache/yum/x86_64/7/docker-ce-stable/packages/containerd.io-1.2.10-3.2.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
Public key for containerd.io-1.2.10-3.2.el7.x86_64.rpm is not installed
(2/4): containerd.io-1.2.10-3.2.el7.x86_64.rpm | 23 MB 00:00:03
(3/4): docker-ce-18.09.9-3.el7.x86_64.rpm | 21 MB 00:00:04
(4/4): docker-ce-cli-18.09.9-3.el7.x86_64.rpm | 16 MB 00:00:01
Complete!
[root@centos7 ~]#docker version
Client:
Version: 18.09.9
API version: 1.39
Go version: go1.11.13
Git commit: 039a7df9ba
Built: Wed Sep 4 16:51:21 2019
OS/Arch: linux/amd64
Experimental: false
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
[root@centos7 ~]#systemctl restart docker
[root@centos7 ~]#docker version
Client:
Version: 18.09.9
API version: 1.39
Go version: go1.11.13
Git commit: 039a7df9ba
Built: Wed Sep 4 16:51:21 2019
OS/Arch: linux/amd64
Experimental: false
Server: Docker Engine - Community
Engine:
Version: 18.09.9
API version: 1.39 (minimum version 1.12)
Go version: go1.11.13
Git commit: 039a7df
Built: Wed Sep 4 16:22:32 2019
OS/Arch: linux/amd64
Experimental: false
[root@centos7 ~]#
王晓春老师