Captcha from scratch (PHP / GD)
2010-08-11 10:51 by Ian
A captcha image written from scratch in PHP.
It’s dangerous to go alone. Take this (to protect your forms).
An accessible introduction to PHP optimization
2009-09-08 01:09 by Ian
This was a ticket that I had from a customer who wanted us to increase the upper-limit on PHP script execution because his crappy script wouldn’t finish in time before our server-wide limit shut down his PHP process.
I’m posting it with the hope that it will be of help to someone new to PHP trying to write a cleaner script.
Testing PHP_PDF.DLL on IIS6 and Win2K3
2009-07-02 11:40 by Ian
This is a component that I tested for installation on CrystalTech’s PHP4 servers (yes, we still offer PHP4). Each time a customer requests a component, we have to test it to ensure that it won’t kill the resources on the server. This is the report that I gave to the other server admins…
Where I work
2009-02-24 03:19 by Ian
I’ve not seen such an impressive collection of servers before working at the datacenter. So I took some pictures.
Spida Worm
2008-06-07 00:25 by Ian
If you use blank passwords on things that are exposed to the internet, you will get hacked. That is a promise.
*nix-style services and permissions on NTFS filesystems
2008-03-17 02:09 by Ian
What follows is a ticket that I had last night. It sums up the problems that *nix users often have when trying to understand permissions on Windows servers. This not only applies to PHP, but to any *nix service that runs on Windows and needs to deal with file permissions. This includes FTP, PHP and Ruby (not hosted here for a reason).
Enjoy!
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Fixing the WordPress HTTP-500 error
2008-03-17 01:44 by Ian
The Internet has seen a good deal of speculation as to why WordPress fails on an otherwise working PHP installation. A co-worker and I dug into it and found the problem.
MySQL potpourri (Backup, restore, and migration)
2008-03-17 01:35 by Ian
Some general information about MySQL tools and using them to backup and restore a database.
Installing PHPbb3 on CrystalTech servers
2008-03-17 01:30 by Ian
This is a simple overview of the installation procedures for various open-source PHP packages that our customers frequently install. This entry gives an overview of PHPbb3
When a n00b gets hacked
2007-10-26 03:59 by Ian
Easily accessible technical discussion on common website vulnerabilities and the concepts underlying them.