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Thursday, 22 February 2007

wee got a wii !!

Although I had been planning to buy one for a while, it wasn't until yesterday after I placed an order for Wii Play at Amazon that I decided we should go ahead and acquire a Wii. Phone calls to the usual suspects yesterday turned up nothing. I decided to strike again today at lunch time. Bingo! My first call, to Meijer, confirmed that they had just ONE in stock. I raced over, ran in, and asked if they still had it. "Are you the person who just called?" they asked. Yup, I said. "That was fast!" they replied.

Tuesday, 13 February 2007

more light, less energy

I'm interested in energy efficiency, which is why I have been gradually replacing the incandescent light bulbs in our house with compact fluorescents, or CF's. We had already been using fluorescents where possible, usually tubes or circular shapes, but now that CF's have gone mainstream, almost any incandescent bulb is a candidate for replacement. The difference in energy usage is phenomenal. I have been replacing 40W bulbs with 9W ones; 60W with 13W and 100W with 23W. I'm amazed that the light output of the new bulbs is just as good as the old ones. It really shows how much energy is wastefully and undesirably used to make heat in an incandescent bulb.


Continue reading "more light, less energy"

Wednesday, 07 February 2007

verizin' up!

MUAHAHAHA! It couldn't come soon enough, and the last day of my verizon contract is fast approaching. But even better than that, I have stepped up the end of the agony. Exploiting the text message fee increase contract termination loophole trick, I won freedom from the contract, effective at the end of my billing cycle (about two weeks from now) which is about 2 months before the actual end of the contract.

Contrary to some reports, it took only a few minutes of chatting with the reasonably pleasant verizon rep, and I didn't need to ask for a supervisor or come up with elaborate arguments to get out of the contract. It was actually rather easy. But don't get me wrong, verizon still sucks. At least now I will no longer be a contract slave, so I'll be able to laugh at their suckage from a safe distance.

Saturday, 03 February 2007

ip aliasing

IP aliases are incredibly useful for testing and troubleshooting (and virtual hosting too). The other day I needed to add some IP aliases on a FreeBSD machine. I administer FreeBSD servers at work but I am much more familiar with Linux, so I had to look up the syntax.

I found out how to add an alias:
ifconfig rl0 alias 10.0.0.5 netmask 255.255.255.0
...and remove an alias:
ifconfig rl0 -alias 10.0.0.5

This contrasts with the Linux ifconfig syntax for dealing with aliases:
ifconfig eth0:0 10.0.0.5 netmask 255.255.255.0
ifconfig eth0:0 down


Or what I'm usually using-- iproute2 on Linux: (I have really come to love iproute2)
ip addr eth0 add 10.0.0.5/24
ip addr eth0 del 10.0.0.5/24


* unrelated rant #1-- Why the hell are FreeBSD ethernet devices named according to the driver that supports the card? This annoys me, and I don't see the point. I never know what the device might be called unless I happened to have just installed the nic, which is usually not the case.

** unrelated rant #2-- Why the hell is windows so lacking when it comes to ip aliasing? AFAIK, you can configure IP aliases only if the primary address is static. If it is dynamic then you are out of luck.