84 [sw][linux] docker engine (CE) install

guides

remove unofficial packages

for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do sudo apt-get remove $pkg; done

setup apt

# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install -y ca-certificates curl gnupg

case $(uname -a) in
  *buntu*) HOST_OS=ubuntu;;
  *ebian*) HOST_OS=debian;;
  *)
    echo "Unsupported system"
    ;;
esac

# ubuntu18
# Add Docker's official GPG key:
curl -fsSL https://download.docker.com/linux/$HOST_OS/gpg | sudo apt-key add -

Or

# ubuntu 22
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/$HOST_OS/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg

# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture)] https://download.docker.com/linux/${HOST_OS} \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

Install

sudo apt-get update

install docker packages

sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

Comments

konosubakonoakua · 2024-09-21T20:16:11Z

docker mirrors

https://github.com/konosubakonoakua/blog/issues/86#issuecomment-2365307898 - https://jockerhub.com/ - https://docker.1panel.dev/

sudo tee /etc/docker/daemon.json <<EOF
{
    "registry-mirrors": ["https://hub.1panel.dev"]
}
EOF
sudo systemctl daemon-reload && sudo systemctl restart docker

konosubakonoakua · 2024-11-26T02:29:16Z

Verify

sudo docker run hello-world

If failed to pull image, follow #86.

postinstall

Manage Docker as a non-root user

Check if you already have a Docker group:
```
groups
```

If not

# sudo groupadd docker
sudo usermod -aG docker $USER
newgrp docker

If you have `$HOME/.docker:

sudo chown "$USER":"$USER" /home/"$USER"/.docker -R
sudo chmod g+rwx "$HOME/.docker" -R

Try
```
docker run hello-world
```

trouble shooting

konosubakonoakua · 2025-03-31T01:57:35Z

proxy

sudo mkdir -p /etc/systemd/system/docker.service.d
sudo tee /etc/systemd/system/docker.service.d/http-proxy.conf << EOF
[Service]                                                                                                                                                              
Environment="HTTP_PROXY=$http_proxy"                                                                                                                       
Environment="HTTPS_PROXY=$https_proxy"                                                                                                                      
Environment="NO_PROXY=localhost,127.0.0.1,"
EOF

sudo mv /etc/systemd/system/docker.service.d/http-proxy.conf /etc/systemd/system/docker.service.d/http-proxy.conf.disabled

sudo mv /etc/systemd/system/docker.service.d/http-proxy.conf.disabled /etc/systemd/system/docker.service.d/http-proxy.conf

sudo systemctl daemon-reload && sudo systemctl restart docker && systemctl show --property=Environment docker

konosubakonoakua · 2025-03-31T02:42:57Z

References

https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-ubuntu-18-04