Docker

/etc/docker/daemon.json 

# /etc/docker/daemon.json 
{
  "userns-remap": "docker"
}

/etc/subuid

docker:231072:65536

/etc/subgid

docker:231072:65536

docker_setup_rootless_system.sh

#!/bin/bash

cat << EOF > /tmp/daemon.json
{
  "userns-remap": "docker"
}
EOF

cat << EOF > /tmp/subuid
docker:231072:65536
EOF


cat << EOF > /tmp/subgid
docker:231072:65536
EOF

docker_setup_rootless_folders.sh

#!/bin/bash

cat << EOF > /tmp/daemon.json
{
  "userns-remap": "docker"
}
EOF

cat << EOF > /tmp/subuid
docker:231072:65536
EOF


cat << EOF > /tmp/subgid
docker:231072:65536
EOF