Problem

The problem i was running into was when i got to the /twiki/bin/configure part of the twiki install instructions i would get a white page and the error log simply said “Premature end of script headers”. I would then tweak endlessly with different configurations only to come up with the same error. It wasnt until i looked in the suexec_log on the server under /var/logs/httpd that i was able to solve the problem

Solution

This particular install was on a subdomain of wiki. I unzipped the installation files to “/var/www/vhosts//subdomains/wiki/httpdocs/twiki/”. The installation docs tell you to chown the entire directory as apache:apache. This will not work on your DV. Instead you need to use the ftp user as the user and psacln as the group. so you would do “chown -R :psacln twiki” replace with the ftp user for that subdomain. Most of the time this is already the case if you uploaded via ftp under that username. The other thing you want to make sure of is to turn off mod_perl. You can do this in the domains apache config file. This should be located at “/vaw/www/vhosts//conf/httpd.include” Now i know the comments at the top of the file tell you not to modify it but to use vhost.conf file instead, but i do not know how to turn off mod_perl that way, If you do please let me know in the comments. So we’re looking for the vhost declaration for our subdomain of wiki and looking for the line that says:

SetHandler perl-script
PerlHandler ModPerl::Registry
Options ExecCGI
allow from all
PerlSendHeader On


This will probably be listed twice for your subdomain, once for :80 and once for :443
Change that in both places to

# SetHandler perl-script
# PerlHandler ModPerl::Registry
Options ExecCGI
allow from all
PerlSendHeader On

Basically just comment out the lines to set perl scripts to execute under mod_perl. So that should do it, save that, restart apache and give it a whirl.

Here’s the default “disjointed” photoshop setup on a mac

Now i wanna contain all those wild modal panels into one cohesive application window. So i choose “Application Frame” From the “Window” menu like so:

That leaves me with a beautifully framed and contained photoshop with a full size canvas. This is much easier to work with since i am no longer accidentally clicking the desktop and losing my application focus.

Keep in mind that this is CS4 and your mileage may vary depending on what version you are using.