ubuntu安装Docker

卸载旧版本

apt-get remove docker docker-engine docker.io containerd runc

安装依赖

apt update
apt-get install ca-certificates curl gnupg lsb-release

安装GPG证书

curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -

写入软件源信息

add-apt-repository "deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"

必要工具

apt-get -y install apt-transport-https ca-certificates curl software-properties-common

配置 docker

/etc/docker/daemon.json

{
  "exec-opts": [
    "native.cgroupdriver=systemd"
  ],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "storage-driver": "overlay2",
  "registry-mirrors": [
    "https://hub-mirror.c.163.com"
  ]
}

安装新版本

apt-get install docker-ce docker-ce-cli containerd.io 
apt-get install docker-compose-plugin

启动

systemctl start docker

启动docker之后、查看当前版本

docker version

Client: Docker Engine - Community
 Version:           20.10.16
 API version:       1.41
 Go version:        go1.17.10
 Git commit:        aa7e414
 Built:             Thu May 12 09:17:23 2022
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true

Server: Docker Engine - Community
 Engine:
  Version:          20.10.16
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.17.10
  Git commit:       f756502
  Built:            Thu May 12 09:15:28 2022
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.6.4
  GitCommit:        212e8b6fa2f44b9c21b2798135fc6fb7c53efc16
 runc:
  Version:          1.1.1
  GitCommit:        v1.1.1-0-g52de29d
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0