How to install docker on AlmaLinux 8

To install docker on AlmaLinux, run the following commands

Install yum-utils

dnf install -y yum-utils

Add docker repository

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

Install Docker CE with

dnf install docker-ce

Enable docker

systemctl enable docker

Start Docker

systemctl start docker

To verify if docker is working properly, run

docker run hello-world

Example

[root@cloud ~]# docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
2db29710123e: Pull complete 
Digest: sha256:94ebc7edf3401f299cd3376a1669bc0a49aef92d6d2669005f9bc5ef028dc333
Status: Downloaded newer image for hello-world:latest

Hello from Docker!
This message shows that your installation appears to be working correctly.

To generate this message, Docker took the following steps:
 1. The Docker client contacted the Docker daemon.
 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
    (amd64)
 3. The Docker daemon created a new container from that image which runs the
    executable that produces the output you are currently reading.
 4. The Docker daemon streamed that output to the Docker client, which sent it
    to your terminal.

To try something more ambitious, you can run an Ubuntu container with:
 $ docker run -it ubuntu bash

Share images, automate workflows, and more with a free Docker ID:
 https://hub.docker.com/

For more examples and ideas, visit:
 https://docs.docker.com/get-started/

[root@cloud ~]# 

See docker

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