Hi,

I followed the installation instructions offered by dbg-wizard.php, untarring dbg.so-5.1.x and moving it to /usr/lib/php/modules. Then I changed my php.ini file by adding:

extension=dbg.so-5.1.x
[debugger]
debugger.hosts_allow= 75.28.162.287 localhost
debugger.hosts_deny=ALL
debugger.ports=7869, 10000/16

After restarting the server, however, Apache hanged. Commenting out extension=dbg.so-5.1.x makes fixes the hanging but I need to install the module. I've tried both the ssl and non ssl versions of dbg.so-5.1.x. I have also tried installing Zend Optimizer (because that's on my local Windows machine where this works), but still no go.

Any pointers to help resolve this would be greatly appreciated.

check if you unpacked dbg from right archive that is for your system.
Failing to do so may cause the problems.