Docker进阶之四:centos7安装docker

                  centos7.6 安装docker

参考:https://docs.docker.com/install/linux/docker-ce/centos/

一.存在老版本先删除

  yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest \ docker-latest-logrotate \ docker-logrotate \ docker-engine

二.(安装依赖)Install required packages. yum-utils provides the yum-config-manager utility, and device-mapper-persistent-data and lvm2 are required by the devicemapper storage driver.

  $ yum install -y yum-utils \
device-mapper-persistent-data \
lvm2

三.(配置官方源)Use the following command to set up the stable repository.

  $ yum-config-manager     --add-repo     https://download.docker.com/linux/centos/docker-ce.repo

四.更新yum包索引
   yum makecache fast
五.安装Docker CE
   yum install docker-ce -y
六.启动
   systemctl start docker
七.卸载
   yum -y remove docker-ce
   rm -rf /var/lib/docker
八.安装结果验证  docker info

  Docker进阶之四:centos7安装docker

  官方测试:sudo docker run hello-world

  Docker进阶之四:centos7安装docker

配置文件: /etc/sysconfig/docker

存储位置: /var/lib/docker

九. 配置Docker加速器

  curl -sSL https://get.daocloud.io/daotools/set_mirror.sh | sh -s http://f1361db2.m.daocloud.io

  sudo systemctl restart docker

十. 备注:错误汇总

  1.配置官方源报错

    $ sudo yum-config-manager \ --add-repo \ https://download.docker.com/linux/centos/docker-ce.repo

    错误信息如下:

    Timeout on https://download.docker.com/linux/centos/docker-ce.repo: (28, 'Operation timed out after 30034 milliseconds with 0 out of 0 bytes received')

    错误原因:由于国内访问不到docker官方镜像的缘故

    解决方法:修改国内阿里云地址即可

    yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

 2.内核版本过低报错

  docker: Error response from daemon: OCI runtime create failed: container_linux.go:344: starting container process caused "process_linux.go:293: copying bootstrap data to pipe caused \"write init-p: broken pipe\"": unknown.

  参考升级内核:https://blog.csdn.net/kikajack/article/details/79396793

如果有问题可以加我微信(baolongsj)共同学习和进步…..

  

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