docker on Ubuntu

在 Ubuntu 中安装 Docker

sudo apt-get update
sudo apt-get install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
curl -fsSL https://download.daocloud.io/docker/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository \
   "deb [arch=$(dpkg --print-architecture)] https://download.daocloud.io/docker/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
sudo apt-get update
sudo apt-get install -y -q docker-ce=*
sudo service docker start
sudo service docker status

docker 权限问题 Got permission denied while trying to connect to the Docker daemon socket at 。。。

sudo groupadd docker #添加docker用户组

sudo gpasswd -a $USER docker #将登陆用户加入到docker用户组中

newgrp docker #更新用户组