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bikinibottom/installs_on_host/docker.md
2026-02-11 17:22:43 +01:00

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# Docker
### On compute module :
```bash
mkdir -p /mnt/ssd/docker/data
mkdir -p /mnt/ssd/docker/compose
```
```
sudo apt update && sudo apt install apt-transport-https ca-certificates curl wget gnupg lsb-release -y
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker.gpg
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt update && sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-compose -y
```
### Version courte :
```
curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh get-docker.sh
sudo usermod -aG docker $(whoami)
newgrp docker
docker run hello-world
```
##### Relocate /var/lib/docker
```bash
#Stop docker
sudo systemctl stop docker.service
sudo systemctl stop docker.socket
# Move data to SSD
sudo rsync -aP /var/lib/docker/ /mnt/ssd/docker/data/
# Edit docker config
sudo vim /etc/docker/daemon.json
```
### (!) Changed /mnt/data/dockerdata to /mnt/docker/data (!)
```bash
{
"data-root": "/mnt/ssd/docker/data",
"log-driver": "local",
"log-opts": {
"max-size": "10m",
"max-file": "3"
}
}
```
```bash
# Restart docker
sudo systemctl start docker.socket
sudo systemctl start docker.service
# Verify...
sudo systemctl status docker
sudo docker info | grep "Docker Root Dir"
# Delete old data folder
sudo rm -rf /var/lib/docker/
```
Fix docker error loading config file if necessary
```bash
sudo chown "$USER":"$USER" /home/"$USER"/.docker -R
sudo chmod g+rwx "/home/$USER/.docker" -R
```