I am trying to get Times New Roman on LibreOffice. I ran:
sudo apt-get install msttcorefonts
I think it downloaded, but it doesn't appear in the OpenOffice drop down list of fonts.
The package contents of msttcorefonts belong here,
So, just do
If unsuccessful, then the package did not in fact install to completion. In that case, install again as root and report back the exact output.
To explain, if you're unsure about the -f flag of fc-cache, this comes is from the fc-cache man page