Build

make snapd.raw

Use

Copy snapd.raw to /etc/extensions.

Disable selinux in /etc/selinux/config - must be disabled not permissive. Default file is a symlink so make a copy (cp /etc/selinux/config{,-}; mv /etc/selinux/config{-,})

Run systemctl enable --now snapd.socket

Test

snap install hello-world
snap run hello-world

To make snaps accessible, add /var/lib/snapd/snap/bin to $PATH.