Docker

ssh ID@IP

docker install

sudo apt-get update

sudo apt-get upgrade

sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

sudo install -m 0755 -d /etc/apt/keyrings

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg​

sudo chmod a+r /etc/apt/keyrings/docker.gpg

echo   "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
"$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" |   sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt-get update

sudo apt-get install docker-ce docker-ce-cli containerd.io

docker

docker run hello-world

 

 

docker 권한 변경

sudo usermod -a -G docker $USER

sudo service docker restart

exit

ssh ID@IP

docker run hello-world

 

 

 

 

PULL

docker pull --help
docker --version

docker pull ubuntu:18.04

docker images

ps

ps -a

docker ps

docker ps -a

docker run -it --name demo1 ubuntu:18.04 /bin/bash

apt-get update
#sudo 사용 안함. 이미 root(슈퍼유저) 상태임

exit

 

 

 

 

 

Docker Deamon

docker ps

docker run -it -d --name demo2 ubuntu:18.04

docker ps

docker exec -it demo2 /bin/bash

exit

docker ps

docker ps -a
#여기 보면 이전 친구들은 exited된 상태인데, deamon은 아직도 삥글삥글 돌아가는 중임

 

 

 

 

docker 로그 확인

docker logs demo1

docker run --name demo3 -d busybox sh -c "while true; do $(echo date); sleep 1; done"

 

 

docker logs demo3 

docker logs demo3 -f

ctrl 키 + c

 

docker 멈추기

docker stop demo3

docker stop demo2

docker stop demo1

docker ps -a

 

 

docker 컨테이너 삭제

docker rm demo3

docker rm demo2

docker rm demo1

docker ps -a
docker ps

 

 

 

 

docker 이미지 삭제

docker images

docker ps -a
docker rm elegant_davinci #elegant_davinci은 각자 달라용
docker rmi hello-world

docker rmi ubuntu:태그

 

 

 

 

sudo apt-get update
sudo apt-get upgrade