STARTTLS and OS X Mail

A change recently in OS X’s Mail application has caused an unusual problem of not sending mail on the regular SMTP or IMAP ports. I’m not sure if its El Capitan that initiated this change because I do not send mail often from my desktop mail client. After a message stuck in my outbox, I […]

Cloning and deploying ESXi

I’ve got a pile of MicroSD cards, a few racks worth of blades in different locations, and a hankering to deploy VMware in a stateful manner by simply plugging these SD cards in and booting up the blades or deploy blades with SD cards and perform remote installs with as little effort as possible.   […]

Repairing AirPort coverage

I hope this helps someone but I’ve been chasing a wifi problem in my house for a few days and finally got to fixing it. Equipment: 4th Gen Airport Extreme (802.11 a/b/g/n; 2.4GHz & 5GHz) Symptoms: poor range, slow speeds outside of the room the airport was located. Configuration: I have it configured auto everything […]

Master Images – hidden CPU time bombs

Wrapping up master images has become something virtualization engineers of all product disciplines have to become familiar with. A bad master image can be deployed dozens or hundreds of times – only to find out a simple tweak could have saved you thousands in necessary hardware costs. Here’s a new hidden gem I found and […]

Sophos Home Firewall with Captive Portal Guest Network using Airport Extreme APs

KISS, keep it simple stupid. An old saying I try to keep in mind when working on a solution. My home network hasn’t maintained this zen philosophy. My most recent setup has been driven by a recent discovery that I can keep my Apple Airport’s built in Guest network, as long as I can connect […]