centos7 (Ali cloud) installation docker

Because of work needs to be deployed flink and kafka test environment on a single machine, so we use a docker

Viewing the kernel version, preferably 3.10 or later

[root@iz8vb6evwfagx3tyjx4fl8z ~]# uname -a
Linux iz8vb6evwfagx3tyjx4fl8z 3.10.0-693.2.2.el7.x86_64 #1 SMP Tue Sep 12 22:26:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

Yum update source

yum update -y

Required installation package, yum-util provide yum-config-manager function, the other two are driven dependent devicemapper

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

Set yum source

• Here with Ali source

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

View docker versions of all the warehouse, and select a specific version is installed

[root@iz8vb6evwfagx3tyjx4fl8z ~]# yum list docker-ce --showduplicates | sort -r
Loading mirror speeds from cached hostfile
Loaded plugins: fastestmirror
docker-ce.x86_64            3:19.03.8-3.el7                     docker-ce-stable
docker-ce.x86_64            3:19.03.7-3.el7                     docker-ce-stable
docker-ce.x86_64            3:19.03.6-3.el7                     docker-ce-stable
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

Installation Docker

• The installed version docker docker-ce-18.03.1.ce

  yum install docker-ce-18.03.1.ce
  

• Start Docker, then add the boot

  systemctl start docker
  systemctl enable  docker
  

• View docker version

  [root@iz8vb6evwfagx3tyjx4fl8z ~]# docker version
  Client:
   Version:      18.03.1-ce
   API version:  1.37
   Go version:   go1.9.5
   Git commit:   9ee9f40
   Built:        Thu Apr 26 07:20:16 2018
   OS/Arch:      linux/amd64
   Experimental: false
   Orchestrator: swarm
  
  Server:
   Engine:
    Version:      18.03.1-ce
    API version:  1.37 (minimum version 1.12)
    Go version:   go1.9.5
    Git commit:   9ee9f40
    Built:        Thu Apr 26 07:23:58 2018
    OS/Arch:      linux/amd64
    Experimental: false
  
  

Common Docker command

• docker ps view currently running container
• docker ps -a to view the status of all containers
• docker start / stop id / name to start / stop a container
• docker attach id to enter a container (exit to exit the container after use also followed stops)
• docker exec -it id start a pseudo-terminal in an interactive way into a container (using the exit to exit the container does not stop running)
• docker images to view a local mirror
• docker rm id / name to delete a container
• docker rmi id / name to remove a mirror
• docker stop $ (docker ps -a -q) Stop all containers
• docker rm $ (docker ps -a -q) remove all containers