ubuntu 安装 docker-ce

step 1: 安装必要的一些系统工具

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

step 2: 安装GPG证书

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

Step 3: 写入软件源信息

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

Step 4: 更新并安装 Docker-CE

sudo apt -y update sudo apt -y install docker-ce

加速

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://so4p5nnk.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

not to type sudo

cat /ect/group
# if docker grouo not exist , then run this command: sudo groupadd docker

sudo gpasswd -a ${USER} docker
# add me into docker group

sudo service docker restart

reboot  # or relogin

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