安装docker

基本上参考官网就行了

https://docs.docker.com/engine/

Ubuntu 安装docker

先安装前置工具

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$ sudo apt-get update

$ sudo apt-get install ca-certificates curl gnupg

下载gpg文件

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$ sudo install -m 0755 -d /etc/apt/keyrings

$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

$ sudo chmod a+r /etc/apt/keyrings/docker.gpg

添加apt源

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echo \
  "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

更新，安装docker

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

centos 安装docker

安装repo源

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$ sudo yum install -y yum-utils

$ sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

安装docker

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$ sudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

启动docker，设置开机自启动

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$ sudo systemctl start docker
$ sudo systemctl enable docker