this blog is girtby.net

Posted
19 June 2009 @ 10pm

Categories
Nerd Factor X, Provocation

Tags
, , ,

1 Comment

At The End Of One’s Tether

Many carriers, most notably AT&T, but also others such as Optus, are getting a lot of bad press for charging their subscribers extra for “tethering” their iPhones to their laptops.

This does seem to be blatant gouging on their part, given that bytes are bytes, and regardless of whether they are destined for a phone or a tethered laptop, the cost is the same. This criticism is warranted in my opinion.

Carriers may claim that tethered laptops inevitably draw more traffic from individual subscribers. But I would suggest that the incremental traffic from a tethered laptop is a lot lower for the iPhone than for other 3G phones. Let’s face it, the iPhone is a pretty capable standalone device, and you’ll rarely need to break out the laptop to get online. Other phones are far inferior at browsing the net directly, and so I’d expect that there is a correspondingly larger proportion of traffic from tethered laptops of subscribers with these phones. This makes the additional pricing seem even more unfair.

But not all of the hate should be directed towards the carriers.

I am yet to see an answer to this question: how do the carriers know which traffic originates from the iPhone itself and which from a tethered laptop? I don’t know the answer definitively but I the iPhone must mark the tethered traffic somehow. I’m guessing that it must pass through the PPP session from the laptop, instead of terminating it in the phone and NATting the traffic.

Regardless, it is Apple that deserves at least some of the blame here for enabling the carriers to detect traffic in the first place. I know of no technical reason why they needed to do this; it sounds like a purely business decision. And one they didn’t need to make; surely the carriers are all Apple’s bitches at this point?

Boo, carriers who charge for tethering. Boo, Apple.


Posted
13 June 2009 @ 10pm

Categories
Nerd Factor X, Provocation

Tags
, , ,

3 Comments

Easiest $100 I’ll Ever Make

Recently, before boarding a flight up to Hamilton Island for a $WORK junket conference, I purchased a puzzle book. On the flight, I shared the puzzles amongst colleagues, and fun was had. One particularly tricky puzzle confounded us all, although I recognised it as a variant of the Monty Hall problem. Alarm bells should be going off at this point for those who have debated the subject in the past…

Anyway, one colleague didn’t believe that the answer in the back of the book was correct, and he offered to bet that by running a computer simulation he could prove the book (and me) wrong. I’m not a betting person, but for some reason, possibly euphoria at the prospect of the upcoming partying seminars, I immediately accepted his bet, wagering $100.

What follows is my attempt to win that bet.

[Read more →]


Posted
12 May 2009 @ 10am

Categories
Meta, Personal

Tags
, , ,

1 Comment

I Fought The Gorm

Garage ShelvesThere’s a kind of internally-generated tension that builds up when you haven’t blogged for a while. It’s not as bad as that other kind of tension which builds up over time, but it’s still there in the back of your mind. And after a while you need to do something, anything, to release the tension.

So this is what I’m reduced to. Blogging about shelves that I put up last weekend. Yes, shelves.

Those skilled in the art of home ownership will recognise instantly these as Ikea Gorm. But look closely, see how they wrap around the down-pipe? Remember I’m not a hardware guy. So I’m quite proud of myself for cutting one of the planks in each shelf and using the off-cut to bind it to it’s neighbour. Bit of a hack, but I defy you carpenters to come up with a better solution.

Another thing to note is that only suckers put together furniture with an allen key. Power drills FTW.


Posted
23 March 2009 @ 8pm

Categories
Linkpimpin', Or Something

Tags
, ,

2 Comments

Headphone Update

So you might remember reading the previous article about headphones. At the time you might have wondered to yourself whether I could get any more crazy-ass obsessed and drop even more ridiculous quantities of cash on these things.

If you have, I’m happy to say yes. Yes, I can.

The two headphones described below are about as much as I can imagine spending on what are basically little speakers that you strap to your head. So this article isn’t so much a review as a freakshow; check out the guy with the weird obsession and the lack of self-restraint!

[Read more →]


Posted
25 February 2009 @ 9pm

Categories
Or Something, Verisimilitude

Tags
,

No Comments Yet

Precisely Wrong

Dan reminds me of a story I heard on an ancient Media Watch episode. It’s Stuart Littlemore-era Media Watch, and is sadly not in the otherwise extensive ABC online archives. hence you’ll have to rely on my somewhat hazy recollection. Don’t worry though, I may have forgotten some of the details, but I remember the punchline.

The story was about a satellite that was crashing to earth. It was almost certainly Salyut 7, which came down in 1991. The memory of Skylab, which crashed in Australia in 1977, was still present in people’s minds. As always, the media was anxious for a local angle, and the possibility of a Skylab re-run, with an added dash of panic-mongering, was too tempting for them to resist.

Media Watch tracked the published predictions of the crash site as the re-entry date approached.

A few weeks out, some media outlets reckoned that that the satellite would fall somewhere in the Indian Ocean, Australia, or the Pacific.

A week out, the predictions narrowed to mainland Australia.

Days away, and it looks more like Western Australia. Towns such as Kalgoorlie are becoming extremely worried at this point. Rumours abound of satellite crash insurance being sold to worried locals.

On February 7 1991, Salyut 7 crashed to earth.

In South America.

Littlemore delivered the punchline, declaring the reporting as “a lesson on the difference between precision and accuracy.”


Posted
24 February 2009 @ 10pm

Categories
Meta, Nerd Factor X

Tags
, ,

1 Comment

Staging Wordpress With Bazaar

Version Control Systems, I’ve had a few. But then again, too few to mention.

Keen observers will have noted that I have tended to blog each time I try out a new version control system, and this really isn’t an exception. Except that, well I’m not just trying it out, I actually use Bazaar daily at $WORK, so and this is like after-hours practice.

Anyway, I wanted to share this because I’ve found that maintaining a staging and production installation of wordpress, complete with custom modifications and a collection of plugins, is a problem ideally solved by a distributed source control. Plus I really like Bazaar, and wanted to show how easy it can be.

[Read more →]


Posted
10 February 2009 @ 2pm

Categories
Provocation, Verisimilitude

Tags
,

1 Comment

Catch The Bushfire

Earlier today, in an email to Brendan, I attempted some gallows humour in relation to the Victorian bushfires:

Of course this is all divine retribution for the hedonistic lifestyles of those ungodly Victorians.

And then, this.

To the cunts at Catch The Fire Ministries: please catch fire.


Posted
1 February 2009 @ 9pm

Categories
Linkpimpin', Nerd Factor X

Tags
,

3 Comments

A Kamikaze That Doesn’t Crash And Burn

Screenshot from OpenWrt's administration web interfaceLong-time readers will know that I’m a big fan of the OpenWrt linux distribution for home routers.

It’s a great little linux distribution that lets you do all sorts of geeky networky things, and is damn reliable to boot. I was a bit nervous about the upgrade from the (now) ancient White Russian release, to the new Kamikaze 8.09_RC2 release, but it all went very smoothly.

If you’ve shied away from OpenWrt in the past because of it’s depencency on command-line installation, well shy no more. OpenWrt now includes an excellent web interface called LuCI, which makes admin very simple. Here it is, showing off real-time network statistics, available via a plugin module.

That big traffic surge? A Mac OS system update. As I was taking the screenshot it kicked off in the background unexpectedly.

Modules such as these are the main reason for installing a Linux distro on your router. Different routing modules, statistics and monitoring, security, QoS, application layer proxies, and many more, some with LuCI web interfaces. In short, there’s lots to explore if you’re at all a network geek (I am).

Although OpenWrt was originally written for the infamous Linksys WRT54, but now available for lots of other routers. Perhaps it is supported on the router you’re using right now!? Why not go check?


Posted
26 January 2009 @ 3pm

Categories
Provocation

Tags
,

8 Comments

PayPal Is Not My Pal

Paypal sent me an email in Feb 2006. Here’s what they said (emphasis theirs):

Dear Alastair Rankine,

Welcome to PayPal Australia!

We are pleased to confirm that as of 2 February 2006, PayPal Australia Pty Limited is now providing the PayPal Service to you.

You do not need to take any action, however we do recommend that you review the updated and localised user agreement and privacy policy at a time convenient to you.

["Tip of the Day" elided]

Sincerely,

Paypal

For the benefit of anyone else who received such an email, here’s my best attempt at translating it from PalSpeak into English.

Dear Chump,

Welcome to PayPal Australia!

We are pleased to confirm that as of 2 February 2006, your PayPal account is now vaguely associated with the country of Australia, but probably not in the way you expect.

You to not need to take any action, just prepare yourself to get fleeced when you next receive an AUD payment. Because we’ve secretly kept your “default currency” as USD, we can now charge you currency exchange fees to convert an AUD payment into USD and back again! So instead of the regular 3.4% fees, you’re now looking at upwards of 10%!

Isn’t that great — for us? Why we chose to keep your default currency as USD is a complete mystery to you, and that’s the way we like it.

If you don’t like this arrangement you can always choose to not use PayPal whenever you next sell something on eBay.

Ha ha! No, of course you can’t. That’s just our little joke.

Looking forward to fleecing you, chump.

Sincerely,

PayPal


Posted
22 January 2009 @ 12am

Categories
Verisimilitude

Tags
,

4 Comments

Prez Obama FTW!

The window of opportunity for commenting on the Obama inauguration is closing, so I’d better have my say, I suppose.

I’ve been reading and listening to some of the Bush retrospectives, and this one from the Economist is particularly good (h/t Brendan). On the one hand it’s quite gratifying to see that most of the media has finally woken up to the reality of the disaster that is the Bush presidency, I have to wonder why they didn’t start putting the boot in earlier? Like, say, any time before 2004?

It’s a risky proposition though, reading some of these retrospectives. Exposing yourself to the naked glare of the catastrophe that is the Bush presidency, is to invite madness. Each time I read about one of the epic failures of the Bush administration, I found myself thinking “wow, this is the most important thing for Obama to fix”, before reading on to discover something else which trumped it, and so on. Fix health care? Day one! Shutting down Guantanamo? No, do that first instead! Education reform? Arrgh! It’s all so important and all so fucked! By the end I wished I’d just gazed upon the visage of Cthulhu and been done with it.

So I just hope everyone just understands the scale and scope of problems that are now piled up outside the oval office. And that everyone understands the need for a lot of shoveling just to get the door open. Let’s all — myself included — hope we have the patience to wait until our man can get to work on whatever our individual #1 priorities are.

I think a lot of us found ourselves emotionally invested in Obama during the campaign, and have had an equally emotional reaction to his victory. This is fine, but reality is descending upon us and we need to remember that he is just a man. He’s going to stumble and going to act in ways against our interests or desires. (Some of us felt that way about the FISA compromise, for instance…) At time like these it may pay to look back to the Bush days and realise that, hey, at least we don’t have that fuckhead any more. I don’t know about you, but I’m going to take great comfort in that fact.


← Before