The same kind of trouble is being duscussed here (in Japanese).
Yuichi Saotome, who runs FreeBSD, succeeded in generating gif from ps by including the ports path /usr/local/bin in his apache22 path.env file (in /usr/local/etc/apache22/envvars.d).
Mathematics tools
Cant get this Tex stuff running
دا بحث کولپ شوی دی نو تاسو نشئ کولی دې ته نور ځواب ورکړئ.