To switch the Docker storage engine from devicemapper to overlay2, follow these steps:
sudo systemctl stop docker
docker info | grep "Storage Driver"
sudo mv /var/lib/docker /var/lib/docker.bak
sudo apt-get update
sudo apt-get install linux-image-extra-$(uname -r) linux-image-extra-virtual
sudo apt-get install docker-ce
sudo vim /etc/docker/daemon.json
{
"storage-driver": "overlay2"
}
Save and close the file.
Start the Docker daemon:
sudo systemctl start docker
docker info | grep "Storage Driver"
The output should show "overlay2."
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Asked: 2021-08-05 11:00:00 +0000
Seen: 16 times
Last updated: Jun 10 '22