SysAdmin Tools

• MultiTail - tail on steroids

Apache

Make sure you have an Advanced Apache Configuration for High Traffic Sites

PHP

• Use Fast Coding Habits
• Install ImageMagick's Magickwand for better image handling
• Install pecl fileinfo for better type checking on file uploads
• Install an Accelerator

Installation of a PHP opcode caching mechanism like php-eaccelerator ( which is a maintained version of turck-mmcache ) will dratically reduce PHP memory usage and improve execution time. It is available as a yum installable Fedora extra rpm.

Postgres

Install the tablefunc contribution to achieve massive optimization of GatekeeperPackage security look ups. tablefunc has the Oracle'esque "connectby" function that will let you execute recurisve queries on a hierarchical table that has id/parent_id rows, ala the tiki_fisheye_gallery_map. To install, make sure you have installed teh postgresql-contrib rpm/deb/whatever, and execute something like this FedoraCore 3 command line:

Then to your config_inc.php, add:

Areas to investigate for Code Opimizations

• ADODB

If writing code, see the Tuning tips and install the ADODB C Extension