Aruba VIA - Linux – Ubuntu 64-bit Debian 4.4.0 https://asp.arubanetworks.com/downloads;pageIndex=1;products=Aruba%20Virtual%20Intranet%20Access%20%28VIA%29 it is a DEB package !
cd ~/Downloads
debtap yourfile.deb
now the deb file is tapped
sudo pacman -U yourfile.zst
sudo via-vpn-srv
sudo via-ui
do not forget to do it super-user-vise.