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    How to Install Podman on Oracle Linux 8 (OL8)

    podman
    Podman
     

    Oracle Linux 8 (OL8) includes PodmanBuildah and Skopeo in the "ol8_appstream" repository. On this article I'll describe how to install Podman on Oracle Linux 8. 

    Install Podman

    The installation of Podman is really simple. We don't even have to amend the default repositories.

    dnf install -y podman

    Podman Install
    Podman Install

    Podman syntax is similar to Docker, If you want create the docker alias to run podman commands, then install following package.

    dnf install -y podman-docker
    [root@podman ~]dnf install -y podman-docker
    Last metadata expiration check: 0:23:08 ago on Tue 21 Dec 2021 01:56:19 PM GMT.
    Dependencies resolved.
    ===============================================================================================================================================================================================================
     Package                                       Architecture                           Version                                                                    Repository
    ===============================================================================================================================================================================================================
    Installing:
     podman-docker                                 noarch                                 3.3.1-9.0.1.module+el8.5.0+20416+d687fed7                                  ol8_appstream
    
    Transaction Summary
    ===============================================================================================================================================================================================================
    Install  1 Package
    
    Total download size: 56 k
    Installed size: 230
    Downloading Packages:
    podman-docker-3.3.1-9.0.1.module+el8.5.0+20416+d687fed7.noarch.rpm                                                                                                                   807 kB/s |  56 kB     00:0
    ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    Total                                                                                                                                                                                761 kB/s |  56 kB     00:0
    Running transaction check
    Transaction check succeeded.
    Running transaction test
    Transaction test succeeded.
    Running transaction
      Preparing        :
      Installing       : podman-docker-3.3.1-9.0.1.module+el8.5.0+20416+d687fed7.noarch
      Running scriptlet: podman-docker-3.3.1-9.0.1.module+el8.5.0+20416+d687fed7.noarch
      Verifying        : podman-docker-3.3.1-9.0.1.module+el8.5.0+20416+d687fed7.noarch
    
    Installed:
      podman-docker-3.3.1-9.0.1.module+el8.5.0+20416+d687fed7.noarch
    
    Complete!
    [root@podman ~]
    

    You may also want to install Buildah and Skopeo also.

    dnf install -y buildah skopeo
    [root@podman ~]dnf install -y buildah skopeo
    Last metadata expiration check: 0:23:27 ago on Tue 21 Dec 2021 01:56:19 PM GMT.
    Dependencies resolved.
    ===============================================================================================================================================================================================================
     Package                                 Architecture                           Version                                                                          Repository
    ===============================================================================================================================================================================================================
    Installing:
     buildah                                 x86_64                                 1.22.3-2.0.1.module+el8.5.0+20416+d687fed7                                       ol8_appstream
     skopeo                                  x86_64                                 1:1.4.2-0.1.0.1.module+el8.5.0+20416+d687fed7                                    ol8_appstream
    
    Transaction Summary
    ===============================================================================================================================================================================================================
    Install  2 Packages
    
    Total download size: 14 M
    Installed size: 53 M
    Downloading Packages:
    (1/2): buildah-1.22.3-2.0.1.module+el8.5.0+20416+d687fed7.x86_64.rpm                                                                                                                  39 MB/s | 7.7 MB     00:0
    (2/2): skopeo-1.4.2-0.1.0.1.module+el8.5.0+20416+d687fed7.x86_64.rpm                                                                                                                  25 MB/s | 6.7 MB     00:0
    ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    Total                                                                                                                                                                                 52 MB/s |  14 MB     00:0
    Running transaction check
    Transaction check succeeded.
    Running transaction test
    Transaction test succeeded.
    Running transaction
      Preparing        :
      Installing       : skopeo-1:1.4.2-0.1.0.1.module+el8.5.0+20416+d687fed7.x86_64
      Installing       : buildah-1.22.3-2.0.1.module+el8.5.0+20416+d687fed7.x86_64
      Running scriptlet: buildah-1.22.3-2.0.1.module+el8.5.0+20416+d687fed7.x86_64
      Verifying        : buildah-1.22.3-2.0.1.module+el8.5.0+20416+d687fed7.x86_64
      Verifying        : skopeo-1:1.4.2-0.1.0.1.module+el8.5.0+20416+d687fed7.x86_64
    
    Installed:
      buildah-1.22.3-2.0.1.module+el8.5.0+20416+d687fed7.x86_64                                                skopeo-1:1.4.2-0.1.0.1.module+el8.5.0+20416+d687fed7.x86_64
    
    Complete!
    [root@podman ~]
    
    

    Test

    Test the setup by running a "podman" command.

    [root@podman ~]docker ps
    Emulate Docker CLI using podman. Create /etc/containers/nodocker to quiet msg.
    CONTAINER ID  IMAGE       COMMAND     CREATED     STATUS      PORTS       NAMES
    [root@podman ~]podman ps -a
    CONTAINER ID  IMAGE       COMMAND     CREATED     STATUS      PORTS       NAMES
    [root@podman ~]
    

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