docker安装-卸载

docker官网正确安装-卸载

一、查看系统内核

　　　　uname -r

　　　　3.10.0-229.el7.x86_64

二、Install Docker

　　1、Install with yum

　　　　sudo yum update

　　2、vi /etc/yum.repos.d/docker.repo

　　　　[dockerrepo]

　　　　name=Docker Repository

　　　　baseurl=https://yum.dockerproject.org/repo/main/centos/7/

　　　　enabled=1

　　　　gpgcheck=1

　　　　gpgkey=https://yum.dockerproject.org/gpg

　　 vi /etc/yum.repos.d/epel.repo

　　　　[epel]

　　　　name=Extra Packages for Enterprise Linux 6 - $basearch
　　　　#baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch
　　　　mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch
　　　　failovermethod=priority
　　　　enabled=1
　　　　gpgcheck=1
　　　　gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

　　　　[epel-debuginfo]
　　　　name=Extra Packages for Enterprise Linux 6 - $basearch - Debug
　　　　#baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch/debug
　　　　mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-6&arch=$basearch
　　　　failovermethod=priority
　　　　enabled=0
　　　　gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
　　　　gpgcheck=1

　　　　[epel-source]
　　　　name=Extra Packages for Enterprise Linux 6 - $basearch - Source
　　　　#baseurl=http://download.fedoraproject.org/pub/epel/6/SRPMS
　　　　mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-6&arch=$basearch
　　　　failovermethod=priority
　　　　enabled=0
　　　　gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
　　　　gpgcheck=1

　　3、安装docker

　　　　sudo yum install docker-engine

　　4、设置开机自启服务

　　　　sudo systemctl enable docker.service

　　5、启服务

　　　　sudo systemctl start docker

　　6、验证是否正确安装，通过运行一个测试图像在一个容器中。

$ sudo docker run --rm hello-world

 Unable to find image 'hello-world:latest' locally

 latest: Pulling from library/hello-world

 c04b14da8d14: Pull complete

 Digest: sha256:0256e8a36e2070f7bf2d0b0763dbabdd67798512411de4cdcf9431a1feb60fd9

 Status: Downloaded newer image for hello-world:latest

 Hello from Docker!

 This message shows that your installation appears to be working correctly.

 To generate this message, Docker took the following steps:

  . The Docker client contacted the Docker daemon.

  . The Docker daemon pulled the "hello-world" image from the Docker Hub.

  . The Docker daemon created a new container from that image which runs the

     executable that produces the output you are currently reading.

  . The Docker daemon streamed that output to the Docker client, which sent it

     to your terminal.

 To try something more ambitious, you can run an Ubuntu container with:

  $ docker run -it ubuntu bash

 Share images, automate workflows, and more with a free Docker Hub account:

  https://hub.docker.com

 For more examples and ideas, visit:

  https://docs.docker.com/engine/userguide/

三、Uninstall docker

1、查询安装的docker版本

　　$ yum list installed | grep docker

　　docker-engine.x86_64 1.7.1-0.1.el7@/docker-engine-1.7.1-0.1.el7.x86_64

2、卸载

　　$ sudo yum -y remove docker-engine.x86_64

3、删除所有图片、容器和卷,运行以下命令:

　　$ rm -rf /var/lib/docker

巴特西

docker安装-卸载

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