[Doker] 우분투16.04에 Docker설치

Docker 설치

$ curl https://get.docker.com/ | sudo sh

$ sudo apt install containerd docker.io docker-ce

Docker 서비스 시작 여부 확인

$ sudo systemctl status docker

설치 여부 및 버전 확인

$ sudo docker version 

Client: Docker Engine - Community
 Version:           19.03.8
 API version:       1.40
 Go version:        go1.12.17
 Git commit:        afacb8b7f0
 Built:             Wed Mar 11 01:25:58 2020
 OS/Arch:           linux/amd64
 Experimental:      false
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?