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Archive for the ‘System Administration’ Category

What's Next? Using Chrome OS and Crouton For Work

It is well-documented that I am a heavy Google user. I use Gmail and Google Docs for just about everything. Additionally, I have used an Android phone since I got the HTC Dream (AKA T-Mobile G1) when it first came out. However, I have been using OS X full-time since 2003. My current Macbook is o...

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Categories: System Administration

Redis: Better Session Storage for Magento

Out of the box, Magento has four methods available for storing session data: filesystem, database, memcached, and tmpfs. The default method is to store session information in the filesystem. I believe that storing sessions in Redis is actually superior to all of the aforementioned methods. Each o...

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Categories: System Administration

El Capitan Leads to More DNS Woes

For whatever reason, Apple really likes messing with how I use DNS. I've written many, many, many times about having to modify OS X's DNS functionality to append search domains when a hostname includes a dot. Every single time I upgrade, this change is broken.

Categories: System Administration

nginx: Blocking Access to /xmlrpc.php

I recently ran into an issue on a WordPress site running behind an nginx web server. The site was frequently being attacked by a botnet hitting /xmlrpc.php so rapidly, it would eventually force the FastCGI processes behind nginx to consume all available CPU. Naturally, this would cause all legitimate traffic to the site to timeout. […]

Categories: System Administration

Goodbye, discoveryd. Hello again, mDNSResponder.

Great! Once again, Apple has made a change in how DNS is handled in Mac OS X. Originally, Yosemite (10.10) had replaced mDNSResponder with discoveryd. This meant that all of those who had made a change to force mDNSResponder to always append search domains to DNS lookups had to make a new change to accommodate […]

Categories: System Administration