About a year or so ago I installed a program mvt4apl on my Ubuntu 16.04 desktop. It is a program that allows you to run the original IBM 360 software for the APL language on a PC. This installation was smooth and worked. Unzip two packages into specific directories, install a font, verify that you are using a US-English keyboard and run a script. OK, for a variety of reasons I recently switched to Debian 8.7.1 installed from cinnamon live cd. Tried the exact same install procedure and get to the APL login page (after 2000 lines of installation jargon in Klingonese). As you may know, APL uses a nonstandard keyboard layout and several nonstandard characters; none of these work. I searched the installation output for words like "fatal", "error", "missing" etc. I did find several instances of this line:
HHC00136W Error in function setenv(): cannot set CUU: Not thread safe--setting disabled
Searched my file system for "setenv" and didn't find any scripts or executable programs. Tried installing the new font several ways:
1: Sudo gnome-font-viewer apl360i-semi-italic_ISO-8859.1.ttf
2: manually copied the ttf file to /usr/share/fonts/, /usr/local/share/fonts/, ~/.fonts
3. ran sudo fc-cache -fv to read and cache all fonts
Still no joy.
I've been using various versions of linux for over 10 years but am still a novice when it comes to fixing problems. Any ideas as to what I should try next?