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Thank you, Rob.
Okay, here's something. The command you suggested did not work as it
is. However, after a bit of tweaking, I got it to create a .png file
in the images/math directory. Here is what I needed to change:
1) sudo apache --> sudo -u apache. This is trivial.
2) texvc --> ./texvc. It gave me a message: "sudo: ignoring `texvc'
found in '.'
Use `sudo ./texvc' if this is the `texvc' you wish to run." otherwise.
3) /mediawiki/images/tmp --> /var/www/mediawiki/images/tmp, and
similarly for math.
With these changes, it worked. The command "sudo -u apache ./texvc
/var/www/mediawiki/images/tmp /var/www/mediawiki/images/math "y=x+2"
iso-8859-1" created a .png file in the math directory. How do I see a
.png file, by the way?
I am sure this is hinting at a resolution of the problem, but I am not
sure what it is saying. :-) I tried modifying the LocalSettings.php
file in the obvious ways:
1) Tried adding math directory to the path: Changed "ini_set(
"include_path", ".:$IP:$IP/includes:$IP/languages" );" to
"ini_set(
"include_path", ".:$IP:$IP/includes:$IP/languages:$IP/math" );"
This
did not work.
2) Just for the heck of it, tried changing $wgScriptPath from
/mediawiki to /var/www/mediawiki, but this generated some errors when
I tried to save a page on the wiki, so I changed that back.
Any other suggestions what I can try?
Thanks again,
- Sonali.