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godoy (2167)

godoy
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http://www.g2ctech.com/
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Never doubt how stupid people can be.

Journal of godoy (2167)

Thursday March 13, 2003
11:26 AM

Lesson for (l)users...

Sunday March 09, 2003
01:22 PM

The worst thing on the web...

... is, IMHO, images that are handled through some javascript stuff. You can't click on several of them to open in new tabs. :-P

And no, I'm not talking about pr0n... http://homepage.mac.com/wwv/PhotoAlbum12.html does that.

Thursday February 20, 2003
01:59 PM

Good news on graduation

Due to a curriculae change on my engineering course I'll be able to graduate one year earlier -- best case; the worst case is 6 months earlier -- than I would without this change.

Cool! I can graduate by the end of the year! :-)

Guess what? I'll be doing everything to accomplish that. And I think it will work... There are just a few subjects missing so that I can graduate.

Wish me luck. :-)

01:57 PM

Funny spam

Just got a funny copy of the famous Nigerian Scam.

The sender has presented herself as "Seq So". It immediately reminded me of the portuguese word 'sexo' (same pronounce) that means 'sex'.

I just got an email from Mrs. Sex. :-)

01:51 PM

Interview with Bill Gates.

Tuesday February 04, 2003
09:21 AM

Clever spammer

I got an interesting spam: it was PGP signed.

Yep, spammers are finding out that software such as spamassassin give negative points (no spam) to such messages.

Of course, the checking of the PGP signature gave me an invalid result, but SpamAssassin don't know that.

The spam was caught by bogofilter, a bayesian filter.

And here we go! Several levels of anti-spam. There's been a tiny amount of false positives with bogofilter. I pratically miss one or two spams a day, in a universe of almost 200 spams.

This is a better ratio than when I used spamassassin alone. (SpamAssassin is deactivated now, so that I can see how effective bogofilter is by itself...)

BTW, I haven't tried the bayesian feature of spamassassin... It should give a similar result to bogofilter.

I'm really thinking on how to implement such tools at clients of mine in a way that they won't poison themselves and start missing messages.

Saturday January 25, 2003
12:51 PM

I'm back.

I'm back... Lots of things happening. Too little time. :-(

BTW, my machine is now running FreeBSD. I had too many of Matts' "Linux Sucks" days. I still use it on some servers but I'm planning on keeping FreeBSD at my desktop.

Wednesday December 11, 2002
08:50 AM

Head hunted.

I had an interview with a head hunter today. (You should see how nice I'm looking with this suit :-))

It's interesting but expensive. I think I'll pay to see what are the companies that had selected my resume. They work only with big companies and the salaries are interesting.

08:48 AM

It's over!

Finally some vacations from University.

Now, I can do my job more fast. It means I'll finish it before I had estimated. :-)

Tuesday December 10, 2002
11:10 AM

It's high tide!

Sorry for this long post. I got it as a forwarded message from a friend.

-----------------------------------------------------------------------
From: Taz -=TT=- [mailto:chris@cfmaster.co.uk]
Sent: 10 December 2002 14:05
To: chat@lists.cfdeveloper.co.uk
Subject: Re: [ cf-chat ] one for the sysadmins

Try this one... see if you can figure it out before getting to the end.

The location was a server room, somewhere up on the 4th or 5th floor of an
office in Portsmouth (I think it was) by the docks.

One day the main Unix db server falls over. It was rebooted but it happily
fell over again and again, so they called out the support company.

The support gadgie... Mark I think his name was, not that it matters... I
doubt you've ever met him and its not important anyway. Its not, honest.
Look, we'll just stick with Mark for arguments sake, okay? Fine.

So mark gets there a few of hours later (Leeds to Portsmouth you see...
its a long way), switches on the server and everything works without
error. Typical bloody support really, client gets upset over naff all. He
goes through the log files and finds pretty much nothing that would make
the box cock up. Mark then gets back on the train (or whatever mode of
transport he used to get there, it could have been a lame cow for all I
know... look, its not important, okay?) and heads off back up to Leeds
after a pointless waste of a day.

Later that evening, the server falls over. Exactly the same story... it
won't come back up. Mark goes through all the usual remote support stuff
but the client can't get the server to run.

Back on the train, bus, lemon meringue pie, or whatever the fuck it was,
and back down to Portsmouth. Lo, the server boots without a problem! Its a
miracle. Mark spends a few hours making sure that there's nothing wrong
with the O/S or software, and finally heads off back to Leeds.

Sometime around mid day, the server goes down (easy tiger!). This time it
seems prudent to get the hardware support people in to replace the server.
But no, it falls over again around 10 hours later.

The pattern continues for a few days. Server working, then after about ten
hours it falls over and won't run for another 2 hours. The checked the
cooling, they checked for memory leaks, they checked everything but came
up with nowt. Then it all stopped.

A week without problems... everybody was happy. Happy, that is, until it
started again. The same pattern. 10 hours on... 2-3 hours off...

And then somebody (I seem to remember he said that the person had
nothing to do with IT) said:

"Its high tide!"

Which was met with blank looks and probably a wavering hand over the
intercom to Security.

"It stops working at high tide"

This, it would seem, is a fairly alien concept to IT support staff, who
are not likely to be found studying the Tide Alamanac during the coffee
breaks.

So they explained that it couldn't be anything to do with the tide,
because it was working for a week.

"Last week was neaps, this week its springs."

Here's a bit of jargon busting for those of you who don't have any RYA
qualifications. The tides run on a lunar cycle, so every 12.5 hours as the
Earth turns, the gravitational pull of the sun and the moon pull the tide
>From one side to the other. In a 12.5 hour cycle, you'll start with a high
tide, then get a low tide in the middle, and end with a high tide. But as
the moon's orbit changes so does the difference in high and low tide. When
the moon is between us and the sun or on the opposite side of the planet
(full moon and bugger all moon), we get a Springs. These are the highest
highs, and the lowest lows. When there's a half moon, we get neaps. The
difference between high and low is greatly reduced. The lunar cycle is 28
days, so Springs - Neaps - Springs - Neaps.

Back to the story.

After explaining the gist of tidal movements to a bunch of techies, the
techies immediately considered the posibilty of ringing the police. Which
seems fair. But it turns out that the gadgie was right. 2 weeks
previously, a Navy destroyer or something had moored up nearby. Every
time the tide got to a certain height, the crow's nest was in direct line
with the floor that the servers were sitting on. It seems that the radar
(or radar jamming, or whatever the military have on their toy dinghies)
was playing havoc with the computers.

Anyway... I need to get some work done, so bye!

Taz