Ubuntu下Docker的安装

卸载旧版本Docker,命令如下:
$ sudo apt-get remove docker docker-engine docker.io
更新Docker所需的软件依赖和apt仓库:
$ sudo apt-get update
$ sudo apt-get install apt-transport-https ca-certificates curl software-properties-common
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
$ sudo add-apt-repository \
“deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable”
设置好仓库后,执行下述命令,安装Docker:
$ sudo apt-get update
$ sudo apt-get install docker-ce

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