Install the mechanism of Docker not Debian (2023)

To get started with Docker Engine on Debian, make sure tomeet the requirements, ThenInstalar Docker.

previous requirements

operating system requirements

To install Docker Engine, you need the 64-bit version of one of these Debian or Raspbian versions:

• Debian Bullseye 11 (stable)
• Debian Buster 10 (alterar Stall)
• Raspbian Bullseye 11 (stable)
• Raspbian Buster 10 (alterar Stall)

Docker Engine is compatible with conx86_64(Öamd64),Arm, jbrazo64architectures

uninstall old versions

Earlier versions of Docker were named afterStauer,docker.io, ÖDocker-Engine. Uninstall all previous versions before trying to install a new version:

p.s sudoapt-get remove docker docker-engine docker.io containerd runc

it's ok yesapt-getreports that none of these packages are installed.

Images, containers, volumes and networks stored in/var/lib/docker/They are not automatically removed when you uninstall Docker. If you are starting with a clean install and prefer to erase existing data, read theUninstall Docker EngineSection.

installation methods

You can install Docker Engine in different ways depending on your needs:

• Docker Engine is includedDocker Desktop para Linux. This is the easiest and fastest way to get started.

• You can also configure and install Docker Engine fromDocker apt-Repository.

• install it manuallyand manage updates manually.

• wearing acomfort scripts. It is only recommended for test and development environments. This is the only approach available for Raspbian.

Install using repository

Before installing Docker Engine on a new host machine for the first time, you need to set up the Docker repository. You can then install and update Docker from the repository.

Raspbian users cannot use this method.

Repository installation is not yet supported by Raspbian. Instead, you should use theConvenience Route.

Configure the repository

1. To updateadjustIndex of packages and installation packages to activateadjustTo use a repository over HTTPS:

   p.s sudoapt-get updatep.s sudoapt-getTo install \CA certificates\reis\group\lsb version

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2. Add the official Docker gpg key:

   p.s sudo mkdir -Metro0755- book page/etc/apt/keychainsp.s reis-fsSLhttps://download.docker.com/linux/debian/gpg |sudogpg-Liber -Ö/etc/apt/keyrings/docker.gpg

3. Use the following command to configure the repository:

   p.s Eco \ "deb [arq=p.sdpkg--print architecture)signed by =/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian\ p.slsb_release-cs)stable"|Sweater/etc/apt/sources.list.d/docker.list>/dev/null

Install the Docker Engine

This method still works for Debianx86_64/amd64,Arm,brazo64e Raspbian.

1. To updateadjustpackage index:

   p.s sudoapt-get update

   Getting a GPG error when runningapt-get update?

   its default valuemaskmay be misconfigured, preventing detection of the repository's public key file. Try granting read permission to the Dockerpublic key file before updating the package index:

   p.s sudo chmoda+r /etc/apt/keyrings/docker.gpgp.s sudoapt-get update

2. Instale o Docker Engine, containerd e Docker Compose.

   • Last
   • specific version
   
   

   To install the latest version, run:

   p.s sudoapt-getTo installdocker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

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   To install a specific version of Docker Engine, first list the available versions in the repository:

   # List available versions:p.s apt-cache madison docker-ce |ach '{ print $3 }'5:18.09.1~3-0~debian-stretch5:18.09.0~3-0~debian-stretch18.06.1~ce~3-0~debian18.06.0~ce~3-0~debian

   Select the desired version and install it:

   p.s VERSION_STRING=5:18.09.0~3-0~debian-stretchp.s sudoapt-getTo installdocker-ce=$VERSION_STRINGdocker-ce-cli=$VERSION_STRINGcontainerd.io docker-buildx-plugin docker-compose-plugin

3. Verify that the Docker Engine installation was successful by running theHello WorldPhoto:

   p.s sudodocker start hello world

   This command downloads a test image and runs it in a container. If the container is running, it will print a confirmation message and exit.

You have now successfully installed and started the Docker Engine. HeStauerThe usergroup exists, but it doesn't contain any users, so you should usesudoto run Docker commands. sequence followspost-installation of linuxto allow unprivileged users to run Docker commands, and for other optional configuration steps.

Update the Docker engine

To update Docker Engine follow theinstallation guideand select the new version you want to install.

Install from a package

If you can't use DockeradjustRepository to install Docker Engine, you can download itdebutanteto publish and install it manually. You need to download a new file every time you want to update Docker Engine.

1. Becomeshttps://download.docker.com/linux/debian/dists/.

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2. Select your Debian version from the list.

3. Becomespool/barn/and select the applicable architecture (amd64,Arm,brazo64, Ös390x).

4. Download the followingdebutanteFiles for Docker Engine, CLI, containerd and Docker Compose packages:

   • containerd.io_<Version>_<Date>.deb
   • Docker-ce_<Version>_<File>.deb
   • Docker-ce-cli_<Version>_<Architecture>.deb
   • docker-buildx-plugin_<version>_<architecture>.deb
   • docker-compose-plugin_<version>_<file>.deb

5. install this.debutantePackages In the example below, update the paths to where you downloaded Docker packages.

   p.s sudodpkg-EU./containerd.io_<Versão>_<The book>.debutante\./docker-ce_<Version>_<The book>.debutante\./docker-ce-cli_<version>_<The book>.debutante\./docker-buildx-plugin_<version>_<The book>.debutante\./docker-compose-plugin_<version>_<The book>.debutante

   The Docker daemon starts automatically.

6. Verify that the Docker Engine installation was successful by running theHello WorldPhoto:

   p.s sudoStart service dockerp.s sudodocker start hello world

   This command downloads a test image and runs it in a container. If the container is running, it will print a confirmation message and exit.

You have now successfully installed and started the Docker Engine. HeStauerThe usergroup exists, but it doesn't contain any users, so you should usesudoto run Docker commands. sequence followspost-installation of linuxto allow unprivileged users to run Docker commands, and for other optional configuration steps.

Update the Docker engine

To update Docker Engine, download the latest package file and rerun theinstallation process, points to the new file.

Install using a convenience script

Docker provides a handy script athttps://get.docker.com/Do not install Docker interactively in development environments. The convenience script is not recommended for production environments, but it is useful for creating a deployment script tailored to your needs. See also theinstall from repositorySteps for information about installation steps to install using the package store. The script's source code is open source and can be found atDocker-InstalarRepository on GitHub.

Always check scripts downloaded from the web before running them locally. Before installing, familiarize yourself with the possible risks and limitations of the convenience script:

• The script requiressourceÖsudoexecute privileges.
• The script attempts to detect your Linux distribution and version and configure your package management system for you.
• The script does not allow customizing most installation parameters.
• The script installs dependencies and recommendations without asking for confirmation. This can install a large number of packages depending on the current configuration of your host machine.
• By default, the script installs the latest stable versions of docker, containerd and runc. Using this script to provision a machine may result in unexpected updates to the major version of Docker. Always test updates in a staging environment before deploying them to your production systems.
• The script is not designed to update an existing Docker installation. If the script is used to update an existing installation, dependencies might not be updated to the expected version, resulting in outdated versions.

Tip: Preview script steps before running them

You can run the script with- dry runningOption to know what steps the script will take when invoked:

p.s reis-fsSLhttps://get.docker.com-Öget-docker.shp.s sudosh ./get-docker.sh- dry running

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In this example, the script is downloaded fromhttps://get.docker.com/and run it to install the latest stable version of Docker on Linux:

p.s reis-fsSLhttps://get.docker.com-Öget-docker.shp.s sudosh get-docker.shExecute o script do instalador do Docker e confirme: 7cae5f8b0decc17d6571f9f52eb840fbc13b2737<...>

You have now successfully installed and started the Docker Engine. HeStauerThe service starts automatically on Debian-based distributions. Innumber of revolutionsbased distributions such as CentOS, Fedora, RHEL or SLES, you must start it manually via thesystemctlÖServiceDomain. According to the message, non-root users cannot run Docker commands by default.

Use docker as unprivileged user or install in rootless mode?

The installation script requiressourceÖsudoPermissions to install and use Docker. If you want to give non-root users access to Docker, read thePost-installation steps for Linux.You can also install Docker without itsourceHave permissions or be configured to run in rootless mode. For instructions on how to run Docker in non-root mode, seeRun docker daemon as non-root user (non-root mode).

Install preview builds

Docker also provides a handy script athttps://test.docker.com/to install pre-release versions of Docker on Linux. This script is the same as the script inget.docker.com, but configure your package manager to use the test channel from the Docker package repository. The test channel includes both stable and preview versions (beta versions, release candidates) of Docker. Use this script to get early access to new versions and test them in a staging environment before releasing them as stable.

To install the latest version of Docker on Linux from the test channel, run:

p.s reis-fsSLhttps://test.docker.com-Öprueba-docker.shp.s sudosh test-docker.sh

Update Docker after using convenience script

If you installed Docker using the convenience script, update Docker directly from your package manager. There is no benefit to running the convenience script again. Reruns can cause problems when trying to reinstall repositories that already exist on the host machine.

Uninstall Docker Engine

1. Uninstall the Docker Engine, CLI, containerd and Docker Compose packages:

   p.s sudoapt-get purge docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras

2. Your host's custom images, containers, volumes, or configuration files are not automatically removed. To remove all images, containers and volumes:

   p.s sudo rm -rf/var/lib/dockerp.s sudo rm -rf/var/lib/container

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You must delete all manually edited configuration files.

Next steps

• sequence followsPost-installation steps for Linux.
• check the themesDevelop with Dockerto learn how to build new apps with Docker.