How to install Docker on a VPS

✅ Installing Docker is very simple and straightforward on almost any OS ✅

It doesn't really matter what OS you have, it's important to install the necessary packages for a quick installation, then the Docker installer will install everything you need on its own.

If you have Debian 12, Ubuntu 22.04 and similar OS family:
❗️❗️Write 1 command at a time, do not copy all commands at once ❗️❗️

- First, update your package list and upgrade existing packages:
apt update -y
apt upgrade -y
- Install required tools like wget, curl, and sudo:
apt install wget curl sudo -y
- Install Docker
curl -sSL https://get.docker.com/ | CHANNEL=stable bash
- Activate Docker
systemctl enable --now docker

If you have CentOS 8/9, AlmaLinux 9.2 and similar OS family
❗️❗️Write 1 command at a time, don't copy all commands at once❗️❗️

yum update -y
yum upgrade -y
yum install epel-release -y
yum update -y
- Install the required packages
yum install wget curl sudo -y
- Install Docker
curl -sSL https://get.docker.com/ | CHANNEL=stable bash
- Activate Docker
systemctl enable --now docker

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Let's run the test container
docker run hello-world

If we end up seeing this:
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/

Then docker has been successfully installed and is running.

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