@geklmintendont : like melmarker, I don't like your tone either !!!
But for this time I will try to give a summary of the information :
The problem is reported in at least 3 debian bugs : 918000, 915025 and 916890.
The real problem (missing space) is explained in bug 918000:
❯❯❯❯ cat /var/lib/dpkg/info/libopenmpi3:amd64.postrm | tail -n1
[ -d /usr/lib/$multiarch/fortran/$base ] && rm /usr/lib/$multiarch/fortran/$cmplr# End automatically added section
^missing space here
If you want to keep openmpi, you have to edit manually 2 files and add the missing spaces :
openmpi-common.postrm
libopenmpi3:amd64.postrm
As melmarker said, they are in /var/lib/dpkg/info/
Or perhaps have a look at the debian maintainers comment in :
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916890#65BTW, I'm no Linux expert at all, but have been able to solve this issue rather quickly with a little DuckDuckGo and some debian bug searches.
And I'm sure you did NOT speak for all of us !