DevOps Tips

Don’t shout at your disks. It makes them sad. 

xhyve is a lightweight virtualization solution for OS X that is capable of running Linux. It is a port of FreeBSD’s bhyve, a KVM+QEMU alternative written by Peter Grehan and Neel Natu.

You can't restart the internet. Trillions of dollars depend on a rickety cobweb of unofficial agreements and "good enough for now" code with comments like "TODO: FIX THIS IT'S A REALLY DANGEROUS HACK BUT I DON'T KNOW WHAT'S WRONG" that were written ten years ago. I haven't even mentioned the legions of people attacking various parts of the internet for espionage and profit or because they're bored. Ever heard of 4chan? 4chan might destroy your life and business because they decided they didn't like you for an afternoon, and we don't even worry about 4chan because another nuke doesn't make that much difference in a nuclear winter.

Ouch!

… and perhaps the most perfect online human of all time.

LOL

Oracle vs. Google lawsuit results in finding that copying API behaviors is a breach of copyright law

While Level 3 has tens of thousands of customers, it only has 51 peers[1]. That total set of interconnections enables our customers to “see” the whole Internet. And what is important here is the “distance” our customers see between themselves and any other part of the Internet. That is often referred to as the number of “hops”; or number of other networks a packet has to traverse to reach its destination. We strive to make that number as low as possible to offer our customers the best performance; more hops can introduce more delay and more potential for quality degradations when the other networks don’t invest enough in performance, redundancy and capacity.

Most of these are obvious, but they're still a good reminder!

Cross section of an undersea cable

Sony just unveiled tape that holds a whopping 148 GB per square inch, meaning a cassette could hold 185 TB of data.

Facebook Notes allows users to include <img> tags. Whenever a <img> tag is used, Facebook crawls the image from the external server and caches it. Facebook will only cache the image once however using random get parameters the cache can be by-passed and the feature can be abused to cause a huge HTTP GET flood.