|NO.Z.00003|——————————|^^^^ 部署 ^^^^|——|Cloud&Docker.V01|——|docker.rpm部署|

一、docker安装的三种方式（install for linux）：

### --- docker安装的三种方式（install for linux）：

~~~     script：脚本的方式；
~~~     yum：yum方式安装；
~~~     rpm：rpm包安装(推荐使用)

二、docker部署

### --- 方式一：script install

[root@localhost ~]# yum update
[root@localhost ~]# curl -sSL https://get.docker.com/ | sh
[root@localhost ~]# systemctl start docker
[root@localhost ~]# systemctl enable docker
[root@localhost ~]# docker run hello-world

### --- 方式二：yum install

[root@localhost ~]# yum update
[root@localhost ~]# cat >/etc/yum.repos.d/docker.repo <<-EOF
[dockerrepo]
name=Docker Repository
baseurl=https://yum.dockerproject.org/repo/main/centos/7
enabled=1
gpgcheck=1
gpgkey=https://yum.dockerproject.org/gpg EOF
[root@localhost ~]# yum install docker

### --- 方式三：rpm install 

https://download.docker.com/linux/centos/7/x86_64/stable/Packages

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三、通过rpm安装docker服务

### --- rpm包下载：

~~~     # 地址：https://download.docker.com/linux/centos/7/x86_64/stable/Packages
~~~     # 下载：docker-ce-17.03.0.ce-1.el7.centos.x86_64.rpm
~~~     # docker-selinux：docker-ce-selinux-17.03.0.ce-1.el7.centos.noarch.rpm

### --- 环境检查：

[root@localhost ~]# getenforce
Disabled
[root@localhost ~]# systemctl status firewalld.service 
[root@localhost ~]# yum install -y iptables-services
[root@localhost ~]# systemctl start  iptables.service 
[root@localhost ~]# systemctl enable iptables.service 
[root@localhost ~]# iptables -F                         // 清空防火墙默认规则
[root@localhost ~]# service iptables save               // 保存防火墙规则
iptables: Saving firewall rules to /etc/sysconfig/iptables:[  OK  ]
[root@localhost ~]# yum update                          // 更新软件包

[root@localhost docker]# ls
docker-ce-17.03.0.ce-1.el7.centos.x86_64.rpm
docker-ce-selinux-17.03.0.ce-1.el7.centos.noarch.rpm

### --- 安装docker rpm包和selinux包

[root@localhost docker]# yum install -y *               
Installed:
  docker-ce.x86_64 0:17.03.0.ce-1.el7.centos                docker-ce-selinux.noarch 0:17.03.0.ce-1.el7.centos                                           
Dependency Installed:
  audit-libs-python.x86_64 0:2.8.5-4.el7        checkpolicy.x86_64 0:2.5-8.el7                    libcgroup.x86_64 0:0.41-21.el7        libsemanage-python.x86_64 0:2.5-14.el7       
  libtool-ltdl.x86_64 0:2.4.2-22.el7_3          policycoreutils-python.x86_64 0:2.5-34.el7        python-IPy.noarch 0:0.75-6.el7        setools-libs.x86_64 0:3.3.8-4.el7            
Complete!
root@localhost docker]# systemctl start docker.service 
[root@localhost docker]# systemctl enable docker.service 
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.

### --- 测试hello-world容器

[root@localhost docker]# docker run hello-world         
Unable to find image 'hello-world:latest' locally       // hello-world镜像名称：latest版本号v1/v2/v3版本号，若不加版本号，默认latest：代表最新稳定版
latest: Pulling from library/hello-world                // pulling下载镜像hello-world镜像
0e03bdcc26d7: Pull complete 
Digest: sha256:1a523af650137b8accdaed439c17d684df61ee4d74feac151b5b337bd29e7eec
Status: Downloaded newer image for hello-world:latest
Hello from Docker!
This message shows that your installation appears to be working correctly.

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Walter Savage Landor:strove with none,for none was worth my strife.Nature I loved and, next to Nature, Art:I warm'd both hands before the fire of life.It sinks, and I am ready to depart

                                                                                                                                                   ——W.S.Landor

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