One, ubuntu 18.04 install docker
Simple installation
sudo apt install docker.io
Configure docker to start automatically
sudo systemctl start docker
sudo systemctl enable docker
Check if the installation is successful
$ docker -v
Docker version 19.03.6, build 369ce74a3c
View docker service status
sudo systemctl status docker
Two, ubuntu 18.04 install docker-compose
Download the docker-compose file
curl -L https://get.daocloud.io/docker/compose/releases/download/1.27.4/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
Add executable permissions (the installation is completed in only one step). If you do not add executable permissions, executing the docker-compose command will prompt you that the permissions are insufficient.
chmod +x /usr/local/bin/docker-compose
View docker-compose version
docker-compose --version
ps: The version number of docker-compose can be changed. Visit the resource library to check the version update progress.