rootless podman
---------------

Basic configuration:

   https://developers.redhat.com/blog/2020/09/25/rootless-containers-with-podman-the-basics#

% echo "user.max_user_namespaces=28633" > /etc/sysctl.d/userns.conf 	 
% sysctl -p /etc/sysctl.d/userns.conf

% useradd -c "yocto" yocto
% passwd yocto

% su - yocto

% podman pull alpine
% podman run alpine cat /etc/os-release
% podman images
% podman unshare cat /proc/self/uid_map