first commit

InstallDocker.md

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+sudo apt update
+sudo apt install -y ca-certificates curl
+sudo install -m 0755 -d /etc/apt/keyrings
+sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+sudo chmod a+r /etc/apt/keyrings/docker.asc
+
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+  $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
+  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+sudo apt update
+sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
+sudo usermod -aG docker eujin
+newgrp docker
+
+sudo mkdir -p /etc/docker
+
+cat <<'EOF' | sudo tee /etc/docker/daemon.json
+{
+  "data-root": "/BlockVolume1/docker"
+}
+EOF
+
+sudo systemctl enable docker
+sudo systemctl restart docker
+
+
+sudo systemctl stop docker
+sudo rsync -aP /var/lib/docker/ /BlockVolume1/docker/
+sudo systemctl start docker
+
+docker info | grep "Docker Root Dir"