Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/share/kde4/services/apt.protocol

 [Protocol]
exec=apturl %u
protocol=apt
input=none
output=none
helper=true
listing=false
reading=false
writing=false
makedir=false
deleting=false
Icon=application-x-deb
Class=:local