Rawr, Lion

Mac OS X Lion If you've read any kind of tech news in the last few days, you might've noticed that Mac OS X 10.7 Lion is out. I wasn't going to upgrade for a while, but then it launched and I did. So I've been using Lion for a few days now, and I thought I'd join the endless ranks of people on the Internet talking about Apple's latest big cat. I'm not really going to be much competition for the real tech writers, so if you want to learn nearly everything about Lion, I recommend making a pot of tea and sitting down to John Siracusa's latest tome. Otherwise, read on to see what I think of the new features.

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n+1 years

One year ago tomorrow, I graduated from college. As my younger friends graduated today (thanks for the quasi-livestream, Skye), I actually realized this fact: it's been a year. A year as one of the dead. A year in the real world. It's bloody strange. On some level, it's unbelievable that I've been out for a whole year. Graduation was just a couple of weeks ago, wasn't it? I can still remember lectures good and bad, evenings in the muddhole, nights working in Platt, as though it were all just yesterday. On another level, though, it almost feels like I've been …

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*nix Tip of the Day: Unix Time

As the unix-savvy among you probably know, there is One True Way to tell the time: the number of seconds elapsed since midnight on January 1, 1970 +0000. It's an extremely convenient way for computers to represent the time, since it's just an integer that goes up. There's no parsing to be done, and arithmetic is just regular math. If you want a brain-numbingly-detailed overview, Wikipedia's article on unix time is, as usual, sufficient.

However, what I'd like to talk about here is converting back and forth between unix time and meatware time. I imagine that when your beard gets …

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sietchtabr reboot

I have a VM slice that I use to run DNS, a bzflag server, and a few other incidental things. This is what I see on it right now:

% uptime
12:05:13 up 450 days, 15:17,  5 users,  load average: 1.93, 1.35, 0.60

It's currently running Debian lenny, but I decided that I wanted to get with the times and upgrade it to squeeze. As expected the upgrade was fairly painless (took me a bit to figure out that booting by label was broken and I needed to boot by disk UUID), but it's kind …

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Linix Tip of the Day: SystemTap

The other day, one of my co-workers, Evan, presented an interesting problem to me. Every day, at some point, a file named ] gets created in his home directory. He assumes that it is being created by a script with a typo in it... somewhere. But how to find out? It's a hard thing to grep for.

My initial solution was to use inotify (which you might remember from a previous post) combined with libnotify to alert him if it happens while he was at his computer. It looked like the following:

$ inotifywait -t 0 --exclude='.*[^]]$' $HOME && notify-send "something just created …
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A word on dreams

We use the terms "bad dream" and "nightmare" almost synonymously. I contend that this is a frightfully naïve perspective. When we wake from a nightmare, we shortly realize that the floor isn't made of spiders, that all of the clowns are safely at the circus. But a dream in which we are happy... ah! Such a dream can color the real world world a darker shade long after the dreamer has awoken. These are truly the bad dreams.