环境说明：
系统：CentOS最小化安装；升级内核及软件补丁，系统版本不升级；关闭SELinux和防火墙。
开始安装：
1、安装所需依赖：yum install -y yum-utils device-mapper-persistent-data lvm2
[root@localhost ~]# yum install -y yum-utils device-mapper-persistent-data lvm2 Loaded plugins: fastestmirror Determining fastest mirrors * base: mirrors.aliyun.com * extras: centos.ustc.edu.cn * updates: mirrors.aliyun.com base | 3.6 kB 00:00:00 extras | 3.4 kB 00:00:00 updates | 3.4 kB 00:00:00 (1/2): updates/7/x86_64/primary_db | 1.4 MB 00:00:00 (2/2): extras/7/x86_64/primary_db | 156 kB 00:00:00 Resolving Dependencies --> Running transaction check ---> Package device-mapper-persistent-data.x86_64 0:0.7.3-3.el7 will be installed ......此处省略...... ---> Package python-chardet.noarch 0:2.2.1-1.el7_1 will be installed --> Finished Dependency Resolution Dependencies Resolved =========================================================================================================================================================================================== Package Arch Version Repository Size =========================================================================================================================================================================================== Installing: device-mapper-persistent-data x86_64 0.7.3-3.el7 base 405 k lvm2 x86_64 7:2.02.180-10.el7_6.2 updates 1.3 M yum-utils noarch 1.1.31-50.el7 base 121 k Installing for dependencies: device-mapper-event x86_64 7:1.02.149-10.el7_6.2 updates 188 k device-mapper-event-libs x86_64 7:1.02.149-10.el7_6.2 updates 187 k libaio x86_64 0.3.109-13.el7 base 24 k lvm2-libs x86_64 7:2.02.180-10.el7_6.2 updates 1.1 M python-chardet noarch 2.2.1-1.el7_1 base 227 k python-kitchen noarch 1.1.1-5.el7 base 267 k Transaction Summary =========================================================================================================================================================================================== Install 3 Packages (+6 Dependent packages) Total download size: 3.8 M Installed size: 11 M Downloading packages: (1/9): device-mapper-event-1.02.149-10.el7_6.2.x86_64.rpm | 188 kB 00:00:01 (2/9): device-mapper-event-libs-1.02.149-10.el7_6.2.x86_64.rpm | 187 kB 00:00:01 ......此处省略...... (8/9): yum-utils-1.1.31-50.el7.noarch.rpm | 121 kB 00:00:00 (9/9): python-kitchen-1.1.1-5.el7.noarch.rpm | 267 kB 00:00:00 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 1.9 MB/s | 3.8 MB 00:00:02 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : libaio-0.3.109-13.el7.x86_64 1/9 Installing : 7:device-mapper-event-libs-1.02.149-10.el7_6.2.x86_64 2/9 ......此处省略...... Verifying : 7:device-mapper-event-libs-1.02.149-10.el7_6.2.x86_64 8/9 Verifying : libaio-0.3.109-13.el7.x86_64 9/9 Installed: device-mapper-persistent-data.x86_64 0:0.7.3-3.el7 lvm2.x86_64 7:2.02.180-10.el7_6.2 yum-utils.noarch 0:1.1.31-50.el7 Dependency Installed: device-mapper-event.x86_64 7:1.02.149-10.el7_6.2 device-mapper-event-libs.x86_64 7:1.02.149-10.el7_6.2 libaio.x86_64 0:0.3.109-13.el7 lvm2-libs.x86_64 7:2.02.180-10.el7_6.2 python-chardet.noarch 0:2.2.1-1.el7_1 python-kitchen.noarch 0:1.1.1-5.el7 Complete!
2、配置Docker阿里云YUM源并刷新缓存：yum-config-manager –add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo && yum makecache fast
[root@localhost ~]# yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo && yum makecache fast Loaded plugins: fastestmirror adding repo from: http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo grabbing file http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo to /etc/yum.repos.d/docker-ce.repo repo saved to /etc/yum.repos.d/docker-ce.repo Loaded plugins: fastestmirror Determining fastest mirrors * base: mirrors.aliyun.com * extras: mirrors.cn99.com * updates: mirrors.163.com base | 3.6 kB 00:00:00 docker-ce-stable | 3.5 kB 00:00:00 extras | 3.4 kB 00:00:00 updates | 3.4 kB 00:00:00 (1/6): base/7/x86_64/group_gz | 166 kB 00:00:00 (2/6): docker-ce-stable/x86_64/primary_db | 19 kB 00:00:00 (3/6): docker-ce-stable/x86_64/updateinfo | 55 B 00:00:00 (4/6): extras/7/x86_64/primary_db | 156 kB 00:00:00 (5/6): updates/7/x86_64/primary_db | 1.4 MB 00:00:01 (6/6): base/7/x86_64/primary_db | 6.0 MB 00:00:01 Metadata Cache Created
3、查看当前可安装所有版本：yum list docker-ce –showduplicates | sort -r
[root@localhost ~]# yum list docker-ce --showduplicates | sort -r * updates: mirrors.163.com Loading mirror speeds from cached hostfile Loaded plugins: fastestmirror * extras: mirrors.cn99.com docker-ce.x86_64 3:18.09.0-3.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 * base: mirrors.aliyun.com Available Packages
4、当前较新版本为18.09.0-3；YUM安装此Docker-CE版本：yum install -y docker-ce
此时如果需要安装指定版本则执行命令：yum install -y docker-ce-18.06.1.ce
[root@localhost ~]# yum install -y docker-ce Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.aliyun.com * extras: mirrors.cn99.com * updates: mirrors.163.com Resolving Dependencies --> Running transaction check ---> Package docker-ce.x86_64 3:18.09.0-3.el7 will be installed ......此处省略...... ---> Package setools-libs.x86_64 0:3.3.8-4.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved =========================================================================================================================================================================================== Package Arch Version Repository Size =========================================================================================================================================================================================== Installing: docker-ce x86_64 3:18.09.0-3.el7 docker-ce-stable 19 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 ......此处省略...... 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 1 Package (+10 Dependent packages) Total download size: 56 M Installed size: 241 M Downloading packages: (1/11): audit-libs-python-2.8.4-4.el7.x86_64.rpm | 76 kB 00:00:00 (2/11): checkpolicy-2.5-8.el7.x86_64.rpm | 295 kB 00:00:00 ......此处省略...... (10/11): docker-ce-cli-18.09.0-3.el7.x86_64.rpm | 14 MB 00:00:03 (11/11): docker-ce-18.09.0-3.el7.x86_64.rpm | 19 MB 00:00:09 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 5.8 MB/s | 56 MB 00:00:09 Retrieving key from https://mirrors.aliyun.com/docker-ce/linux/centos/gpg Importing GPG key 0x621E9F35: Userid : "Docker Release (CE rpm) <docker@docker.com>" Fingerprint: 060a 61c5 1b55 8a7f 742b 77aa c52f eb6b 621e 9f35 From : https://mirrors.aliyun.com/docker-ce/linux/centos/gpg Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : containerd.io-1.2.0-3.el7.x86_64 1/11 Installing : 1:docker-ce-cli-18.09.0-3.el7.x86_64 2/11 ......此处省略...... Verifying : audit-libs-python-2.8.4-4.el7.x86_64 10/11 Verifying : setools-libs-3.3.8-4.el7.x86_64 11/11 Installed: docker-ce.x86_64 3:18.09.0-3.el7 Dependency Installed: audit-libs-python.x86_64 0:2.8.4-4.el7 checkpolicy.x86_64 0:2.5-8.el7 container-selinux.noarch 2:2.74-1.el7 containerd.io.x86_64 0:1.2.0-3.el7 docker-ce-cli.x86_64 1:18.09.0-3.el7 libcgroup.x86_64 0:0.41-20.el7 libsemanage-python.x86_64 0:2.5-14.el7 policycoreutils-python.x86_64 0:2.5-29.el7 python-IPy.noarch 0:0.75-6.el7 setools-libs.x86_64 0:3.3.8-4.el7 Complete!
5、启动Docker服务并将Docker服务配置自启动：systemctl start docker && systemctl enable docker
[root@localhost ~]# systemctl start docker && systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
[root@localhost ~]# systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)
Active: active (running) since Tue 2018-08-16 17:03:04 CST; 15s ago
Docs: https://docs.docker.com
Main PID: 10718 (dockerd)
CGroup: /system.slice/docker.service
├─10718 /usr/bin/dockerd -H unix://
└─10727 containerd --config /var/run/docker/containerd/containerd.toml --log-level info
6、查看已安装Docker的版本信息：
[root@localhost ~]# docker version Client: Version: 18.09.0 API version: 1.39 Go version: go1.10.4 Git commit: 4d60db4 Built: Wed Nov 7 00:48:22 2018 OS/Arch: linux/amd64 Experimental: false Server: Docker Engine - Community Engine: Version: 18.09.0 API version: 1.39 (minimum version 1.12) Go version: go1.10.4 Git commit: 4d60db4 Built: Wed Nov 7 00:19:08 2018 OS/Arch: linux/amd64 Experimental: false
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