Rasmus Lerdorf's opcache-status script 2
When I upgraded to PHP 5.5, I also said goodbye to my beloved APC cache (which never let me down) in favor of Zend OPcache, because it’s already part of the PHP package. Back when I used APC, one of my favorite tools was the apc.php script that showed cache status and allowed me […]

My Favorite Zend OPcache Status Scripts

This post is primarily a how-to for my own benefit, since I own a total of five APC S20 BLK battery backup units running a variety of things at the house from AV gear to a rack of servers. That means there’s a chance I’ll need to replace the battery […]

How To: Swap RB63 UPS Batteries in an APC S20 ...

Timeline for Shutdown and Turn Off for the PCNS server OS and the UPS 14
I decided to write this blog post after attempting to configure APC’s PowerChute Network Shutdown (PCNS) software to gracefully shut down a number of Windows and Linux computers on my network, all of which are attached to various APC SmartUPS Uninterruptible Power Supply (UPS) units with AP9617 and AP9630 Network Management Cards […]

HowTo: Configure Low Battery Duration and PCNS to Shut Down ...

In my 2012 post “Dead UPS Batteries? There’s a Cheaper Way!” I addressed the fact that most people overpay for replacement batteries for their UPS, especially if you purchase APC-branded RBC (Replacement Battery Cartridge) kits. The purpose of this post is to serve as a cross reference as to which generic batteries […]

APC Generic Replacement Battery Cross Reference Lookup

Postfix 2.9 Upgrade 1
I recently installed APC’s PowerChute Network Shutdown so that my desktop could be alerted via a network connection from a SmartUPS 1500 with an on-board AP9630 Network Management Card to shut down when the power got low. Installation went fine (apart from having to manually install the latest version of […]

Manually Starting PowerChute Network Shutdown (PCNS) Service on a Windows ...

The concept of “planned obsolescence” is nowhere more visible than in the battery backup (or UPS – Uninterrupted Power Supply) market. With the insane prices the manufacturers charge for batteries, it’s easy to compare it to the video game console industry: the companies must barely break even (or maybe even […]

Dead UPS Batteries? There’s a Cheaper Way!