[Docker] Package 'docker-ce' has no installation candidate

Package 'docker-ce' has no installation candidate

 

 

우분투 환경에서 docker 커맨드를 찾지 못하는 경우에 다음 명령어를 실행한다.

 

$ sudo apt-get update
$ sudo apt-get install \
   ca-certificates \
   curl \
   gnupg \
   lsb-release
   
$ 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"
$ apt-get update
$ sudo apt-get install docker-ce docker-ce-cli containerd.io

sudo docker run hello-world