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2025-08-21 08:39:51 Kevin Jung Park: -/-
linux/docker.md ..
@@ 1,63 1,1 @@
- # Docker
- ## Introduction
- In this document, you will learn to install the latest and official Docker on your server.
- <br/>
-
- ## Installation
- **Uninstall old versions**
-
- > [!IMPORTANT]
- > There are many unofficial packages, including:
- > - docker.io
- > - docker-compose
- > - docker-compose-v2
- > - docker-doc
- > - podman-docker
- <br/>
-
- Run this command to uninstall older pacakges:
- ```bash
- for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do sudo apt-get remove $pkg; done
- ```
- <br/>
-
- **Install using the apt repository**
-
- Set up Docker repository, copy and run this hole command:
- ```bash
- # Add Docker's official GPG key:
- sudo apt-get update
- sudo apt-get install ca-certificates curl
- sudo install -m 0755 -d /etc/apt/keyrings
- sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
- sudo chmod a+r /etc/apt/keyrings/docker.asc
-
- # Add the repository to Apt sources:
- echo \
- "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
- $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
- sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
- sudo apt-get update
- ```
- <br/>
-
- **Install Docker packages**
- ```bash
- sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
- ```
- <br/>
-
- **Start docker and test**
-
- This command downloads a test image and runs it in a container. When the container runs, it prints a confirmation message and exits.
- ```bash
- sudo service docker start
- sudo docker run hello-world
- ```
- <br/>
-
- :::success
- # Installation completed!
- You have installed and started Docker successfully.
- :::
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