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Docker - Installation of Docker Community Edge and Docker Community Stable (GA release)

Docker - Installation of Docker Edge and Docker Stable (GA release):

Explore Docker slides 

Configure yum repository to get Docker:
# yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Docker Stable:
The Stable channel provides a general availability release-ready installer for a fully baked and tested, more reliable app.
Docker Edge:
The Edge channel provides an installer with new features we are working on, but is not necessarily fully tested. It comes with the experimental version of Docker Engine. Bugs, crashes, and issues are more likely to occur with the Edge app, but you get a chance to preview new functionality, experiment, and provide feedback as the apps evolve.
Install Docker Stable version:
Make sure Docker edge is disabled:
Note: If Docker edge is enabled then latest version of Docker Edge will be installed
# yum-config-manager --disable docker-ce-edge
# yum-config-manager --disable docker-ce-test
Install Docker stable (GA), release:
#yum install docker-ce docker-ce-cli containerd.io
List installed Docker:
#yum list installed | grep docker
containerd.io.x86_64                 1.2.5-3.1.el7           @docker-ce-stable
docker-ce.x86_64                     3:18.09.6-3.el7         @docker-ce-stable
docker-ce-cli.x86_64                 1:18.09.6-3.el7         @docker-ce-stable
Using rpm
# rpm -qa | grep docker
docker-ce-18.09.6-3.el7.x86_64
docker-ce-cli-18.09.6-3.el7.x86_64
Install Docker Edge version:
Enable Docker edge :
# yum-config-manager --enable docker-ce-edge
# yum-config-manager --enable docker-ce-test
Install Docker Edge:
#yum install docker-ce docker-ce-cli containerd.io
Docker installing error:
Requires: container-selinux >= 2:2.74
Execute following to install extras-rpm with Docker installation
# yum-config-manager --enable rhel-7-server-extras-rpms
Install specific version of the Docker cof Community Edition:
# yum install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io
Find out Docker version available from the Docker repository:
# yum list docker-ce --showduplicates | sort -r
Install a specific version by its package name (docker-ce) plus the version string (2nd column) starting at the first colon (:), up to the first hyphen, separated by a hyphen (-).
For example, docker-ce-18.09.1.
# yum install docker-ce-18.09.6
Ref.: https://docs.docker.com/engine/release-notes/
Install Docker using package:
01. Download Docker package from - https://download.docker.com/linux/centos/7/x86_64/stable/Packages/
02. yum install <package_name>
List installed Docker:#yum list installed | grep docker
containerd.io.x86_64                 1.2.5-3.1.el7           @docker-ce-edge
docker-ce.x86_64                     3:19.03.0-1.3.beta3.el7 @docker-ce-test
docker-ce-cli.x86_64                 1:19.03.0-1.3.beta3.el7 @docker-ce-test
Start Docker:
#systemctl start docker
Check Docker Status:
#systemctl status docker
Autostart Docker:
#systemctl enable docker
Check Docker Version:
#docker version
Client:
 Version:           18.09.6
 API version:       1.39
 Go version:        go1.10.8
 Git commit:        481bc77156
 Built:             Sat May  4 02:34:58 2019
 OS/Arch:           linux/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          18.09.6
  API version:      1.39 (minimum version 1.12)
  Go version:       go1.10.8
  Git commit:       481bc77
  Built:            Sat May  4 02:02:43 2019
  OS/Arch:          linux/amd64
 Experimental:     false
Install Docker Hello World image:
# docker run hello-world
List Docker images:
# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
hello-world         latest              fce289e99eb9        4 months ago        1.84kB
Remove Docker images for Hello World:
#docker rmi hello-world
If  you encounter - Error response from daemon: conflict: unable to remove repository reference "hello-world" (must force) then use following
#docker rmi -f hello-wolrd
Check Docker image is removed:
#docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE

Ref.:
Docker RPM - https://download.docker.com/linux/centos/7/x86_64/stable/Packages/
Docker installation - https://docs.docker.com/install/linux/docker-ce/centos/
Docker FAQ - https://docs.docker.com/docker-for-mac/faqs

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