Viewing profile — rwg

I want to like this — I think having ground-based alternatives to GPS and other space-based PNT systems is a very good thing! But after reading the paper at https://www.nab.org/bps…

I was merely a Kickstarter backer of CastAR and have no insider knowledge, but my guess is that a failed moonshot attempt happened here. After raising $1 million on Kickstarter, Te…

I have an HP MicroServer N40L that I bought several years ago, and it's almost a doorstop now. Its CPU (dual-core 1.5 GHz AMD Turion II Neo) is slow and doesn't support AES-NI. It …

At ${PREVIOUS_JOB}, I changed offices and discovered my window wasn't the only thing I lost in the move: SSH sessions kept dying with MAC errors. It happened with multiple computer…

Just to put a number to "screaming fast", 2.5 GB/s sequential reads averaged across the entire drive on a Samsung 950 Pro NVMe SSD: https://pbs.twimg.com/media/CaMhc2oVAAE4q3q.jpg:…

By comparison, today's (January 1996) state-of-the art technologies have feature sizes of about 0.25 microns. And today (November 2015), chips manufactured on 14 nanometer (0.014 m…

Android 4+ supports IPv6 on both the cellular and wireless Ethernet interfaces. It only supports stateless address auto-configuration (SLAAC), however, and does not support DHCPv6 …

The ~5 years between AMD's release of the Athlon 64 and Intel's Nehalem were truly AMD's glory days on the server. We had two clusters, one with pairs of 2.2 GHz Opteron 248 CPUs i…

There was no need, really. The university's networking/telecommunications group ran their own pair of stratum-1 NTP servers, plus four stratum-2 NTP servers, so my stratum-1 wasn't…

At ${PREVIOUS_JOB}, I ran a stratum-1 NTP server that got a timecode and PPS signal from a GPS clock. I could tell if someone had left the door to the lab open by what PLL frequenc…

I don't know if they inject ads, but they have the capability to do it. When I connect to an "xfinitywifi" SSID, the first HTTP page load I do will have a little "You're using XFIN…

I'm guessing it's related to IPv6 over Bluetooth Low Energy, which is currently working its way through the bowels of the IETF: https://tools.ietf.org/html/draft-ietf-6lo-btle Basi…

Woo, nostalgia! My father's TRS-80 Model 4P was "my" first computer back in the mid- to late-1980s, and I spent more time on it than an elementary school kid probably should've. (E…

You need to talk to a lawyer who specializes in Texas employment law ASAP. Do not sign anything that you do not fully understand the implications of, even if your reading of the no…

Solaris 9+, recentish Linux, and recentish BSD should all support algorithm $1$ (MD5) at an absolute minimum. Depending on OS versions, you might also be able to choose from $2a$ (…

Why impossible? (Hint: 127/8 is a network, too.)

Another fun Unicode-related bug in OS X 10.9: % printf 'Unicode strike\xcd\x9bs again' | LANG=en_US.UTF-8 od -tc Assertion failed: (width > 0), function conv_c, file /SourceCache/s…

I think you're underestimating the number of poorly configured/written SMTP clients and servers out there in the wild. As an example, here's smtp.comcast.net on tcp/587 (SMTP submi…

This article came across my Twitter feed this morning: MEEGO-T01 HDMI TV Stick Supports Android, Windows 8.1, and Ubuntu/Linux http://www.cnx-software.com/2014/10/15/meego-t01-hdmi…

Intel is almost giving away Bay Trail-T CPUs to try and claw marketshare away from ARM-based CPUs/SoCs. As an example, Intel's advertised price for an Atom Z3735F (quad core, 1.33–…

Also, "don't hack random companies and brag about it to your friends and (Federal government IT security contractor) co-workers." http://www.archives.gov/research/military/ww2/phot…

It's partially broken in Safari 7.0.6 for the same reason — the ellipse method isn't a WebKit-ism, it's a WHATWG-ism that Google's implemented: http://www.whatwg.org/specs/web-apps…

Disassembling data structures nicely can take much more time than just tearing them down brutally when the process exits. A wonderful trend I've noticed in Free/Open Source softwar…