Explain

Rewrite an interface similar to user management tools in gnome-system-tools and gnome-control-center, displayed in the control center.

/etc/mate-user-admin/nuconfig 

Default configuration for new users

Interface reference

https://askubuntu.com/questions/66718/how-to-manage-users-and-groups

http://ubuntuhandbook.org/index.php/2014/05/install-users-groups-management-tool-ubuntu1404/

http://linuxbsdos.com/2012/04/03/creating-and-managing-user-accounts-in-a-gnome-3-or-ubuntu-desktop/

Code reference

http://ftp.gnome.org/pub/GNOME/sources/gnome-system-tools/ https://github.com/GNOME/gnome-control-center/

Now there are accountservice DBUS services, which provide many user management related functions, and code can be implemented in DBUS.

Compile

meson build -Dprefix=/usr
ninja -C build
sudo ninja -C build install

Create deb package on Ubuntu MATE 22.04 LTS

Note: you have to build and install deb-package of group-service first, then run below commands.

sudo apt-get update
sudo apt-get install dpkg-dev debhelper-compat meson cmake pkg-config libgtk-3-dev libpwquality-dev libaccountsservice-dev libmate-desktop-dev

dpkg-buildpackage -uc -us
sudo apt-get install ../user-admin*.deb