- Docker client: send commands
- Docker Daemon: server to handle requests
/etc/systemd/system/multi-user.target.wants/docker.serivce
-H tcp://0.0.0.0
: configuration to accept remote requests (no need to do)systemctl daemon-reload
andsystemctl restart docker.service
docker -H 192.168.88.8 info
: example (no need to do)
- Registry: host Docker images
curl https://get.docker.com/ | sh
wget -qO- https://get.docker.com/ | sh
sudo apt-get remove docker docker-engine docker.io
sudo apt-get remove docker-compose
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"
sudo apt-get update
sudo apt-get install docker-ce
sudo groupadd docker
sudo usermod -aG docker $USER
- logout and then login to take effect
sudo vi /etc/docker/daemon.json
{
"registry-mirrors": ["https://registry.docker-cn.com"]
}
systemctl daemon-reload
systemctl restart docker
dockeer --version
docker info
docker run hello-world
Cannot load hosts in configuration json file when starting docker daemon
vim /lib/systemd/system/docker.service
ExecStart=/usr/bin/dockerd
# -H fd://