Podman : Install2019/10/11 |
Install Podman that is Container management tool.
It's possible to use the same ease of use of Docker Cli and also Podman does not need specific Service Daemon. |
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[1] | Install Podman. |
[root@dlp ~]# dnf -y install podman
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[2] | Download an official image and create a Container and output the words [Welcome to the Podman World] inside the Container. |
# download official image [root@dlp ~]# podman pull centos Trying to pull docker.io/centos:latest...Getting image source signatures Copying blob 729ec3a6ada3: 68.21 MiB / 68.21 MiB 4s Copying config 0f3e07c0138f: 2.13 KiB / 2.13 KiB 0s Writing manifest to image destination Storing signatures 0f3e07c0138fbe05abcb7a9cc7d63d9bd4c980c3f61fea5efa32e7c4217ef4da # run echo inside Container [root@dlp ~]# podman run centos /bin/echo "Welcome to the Podman World" Welcome to the Podman World |
[3] | Connect to the interactive session of a Container with [i] and [t] option like follows. If [exit] from the Container session, the process of a Container finishes. |
[root@dlp ~]#
[root@1062d638cd7a /]# podman run -it centos /bin/bash [root@1062d638cd7a /]# # connected
uname -a Linux 1062d638cd7a 4.18.0-80.7.1.el8_0.x86_64 #1 SMP Sat Aug 3 15:14:00 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux [root@1062d638cd7a /]# exit exit [root@dlp ~]# # come back
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[4] | If you'd like to run a Container as a Daemon, add [d] option. |
[root@dlp ~]# podman run -itd centos /bin/bash 81d101111d73e4b35dbd6b9a30aa75be8b9a43895430d569f9625ca6764289e5 # show podman proceses [root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 81d101111d73 docker.io/library/centos:latest /bin/bash 3 seconds ago Up 3 seconds ago suspicious_lalande # attach to container session [root@dlp ~]# podman exec -it 81d101111d73 /bin/bash [root@81d101111d73 /]# # connected [root@81d101111d73 /]# exit
# stop container process (if force stop, specify [kill]) [root@dlp ~]# podman stop 81d101111d73 [root@dlp ~]# podman ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES |
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