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DockerThe installation

dockerAutomatic installation

Automatic installation using the official installation script

curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
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dockerManual installation

Environment to prepare

  1. Need to know a little bitLinuxbasis
  2. Ubuntu(have aLinuxServer, althoughdockerCan be found inWindows/Mac OSBut you still want to use itLinuxSystem)
  3. xShellRemotely connect to the server

Environment view

#System kernel
$ uname -r5.11.0-25 - genericCopy the code
#System version

$ cat /etc/os-releaseNAME="Ubuntu" VERSION="20.04.2 LTS (Focal Fossa)" ID= Ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04.2 LTS" VERSION_ID = "20.04" HOME_URL = "https://www.ubuntu.com/" SUPPORT_URL = "https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" VERSION_CODENAME=focal UBUNTU_CODENAME=focalCopy the code

The installation

Documentation: docs.docker.com/engine/inst…

1. Uninstall the earlier version

$ sudo apt-get remove docker docker-engine docker.io containerd runc
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2. Required installation package

  • Update apt package index.
$ sudo apt-get update
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  • The installationaptDependency package, used to passHTTPSTo get the warehouse:
$sudo apt-get install \ apt-transport-https \ ca-certificates \ curl \ gnupg \ lsb-release
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3. Add the Docker GPG key

  • Officially, not recommended
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
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  • Aliyun, recommended
$ curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -
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4. Verify that you now have a key with a fingerprint.

$ sudo apt-key fingerprint 0EBFCD88

pub   rsa4096 2017-02-22 [SCEA]
      9DC8 5822 9FC7 DD38 854A  E2D8 8D81 803C 0EBF CD88
uid           [ unknown] Docker Release (CE deb) <[email protected]>
sub   rsa4096 2017-02-22 [S]
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5. Set up a stable warehouse

  • Officially not recommended
$ echo \
  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
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  • Aliyun Recommendation
$ sudo add-apt-repository "deb [arch=amd64] https://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"
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Install the Docker engine

  • Install the latest version

    • updateaptPackage index
    $ sudo apt-get update
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    • The installationThe latest versiontheDocker Engineandcontainerd
    $ sudo apt-get install docker-ce docker-ce-cli containerd.io
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  • Install the specified version

    • First list the versions available in the repository:
    $apt - cache Madison docker - ce version # below for docker docker - ce | ". 10.8 ~ 3-0 ~ ubuntu - focal | https://mirrors.aliyun.com/docker-ce/linux/ubuntu focal/stable amd64 Packages docker - ce | ". 10.8 ~ 3-0 ~ ubuntu - focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages docker - ce | ". 10.7 ~ 3-0 ~ ubuntu - focal | https://mirrors.aliyun.com/docker-ce/linux/ubuntu focal/stable amd64 Packages docker - ce | ". 10.7 ~ 3-0 ~ ubuntu - focal | https://download.docker.com/linux/ubuntu focal/stable amd64 Packages docker - ce | ". 10.6 ~ 3-0 ~ ubuntu - focal | https://mirrors.aliyun.com/docker-ce/linux/ubuntu focal/stable amd64 PackagesCopy the code
    • Select the specified version to install
    $sudo apt-get install Docker-ce =5:20.10.8~3-0~ubuntu-focal Docker-ce -cli=5:20.10.8~3-0~ Ubuntu-focal Containerd.ioCopy the code

Docker-ce: Community edition, official recommendation

Docker-ee: Enterprise Edition