apt-get install python3.11-venv gobjc++ python3-pybind11 python3-dev build-essential cmake gcc dbus-x11 freeradius libacl1-dev libnss-cache liboath0 liboath-dev libpcsclite1 libpq-dev libre2-9 libre2-dev libsystemd-dev pkg-config postgresql postgresql-server-dev-all pwgen pyflakes3 redis redis-server redis-tools

systemctl stop redis
systemctl disable redis
systemctl stop postgresql
systemctl disable postgresql
systemctl stop freeradius
systemctl disable freeradius

useradd -r -U -d /var/lib/otpme otpme

Edit /etc/nsswitch.conf and append 'cache' to the lines passwd and group.

python3 -m venv /opt/otpme
. /opt/otpme/bin/activate

pip3 install cython
pip3 install otpme

cp -a /opt/otpme/lib/python3.11/site-packages/etc/otpme /etc/
cp -a /etc/otpme/otpme.conf.dist /etc/otpme/otpme.conf

POSTGRES_PG_CTL_BIN="/usr/lib/postgresql/15/bin/pg_ctl"

otpme-realm --api -ddee --color-logs -f init --ca-key-len 2048 --site-key-len 2048 --node-key-len 2048 --dicts english,en-top10000,common-passwords,us-female,us-male,us-surnames,abbreviations-it --id-ranges "uidNumber:s:100000-200000,gidNumber:s:100000-200000" yourrealm.tld yoursite localhost 127.0.0.1

Note: Scan the generated QRCode with the "Google Autenticator App" and note the PIN of the admin token.

otpme-controld start

You need to input pin+otp.
otpme-tool login