404 error

09/01/04 | by david2 [mail] | Categories: General
From 404 error

The example of a 404 error is given as: http://www.whitehouse.gov/iraq/postwar-plan.ppt

disabling stop-a and ctrl-break on sparc

09/01/04 | by david2 [mail] | Categories: Geek
Three ways to do it:

1) Enter the following line in /etc/default/kbd (2.6 and up)

2) type the command: kbd -a disable (works for 2.6)

3) Enter the following line into /etc/system (2.4 and up)
set abort_enable = 0

and, if your hardware supports it:

4) turn your key to 'secure'. This overrides all software settings.

Jimmy Doohan says goodbye

08/31/04 | by david2 [mail] | Categories: General
Jimmy Doohan, Scotty from the original Star Trek series was at his last convention. He was recently diagnosed with Alzheimers and expects not to be attending any more.

From here

Just one indication of "Star Trek's" intersection with real life came at the convention on Saturday night, when the featured speaker at the banquet honoring Mr. Doohan was Neil Armstrong, the first human to walk on the moon.

Ending a talk full of "Star Trek" references, including a wish for a Federation starship for his next command, Mr. Armstrong addressed Mr. Doohan: "From one old engineer to another: thanks, mate."

How to transplant a Solaris disk from one platform to another

08/30/04 | by david2 [mail] | Categories: Geek
Say you've got a disk from a Sparc / Solaris machine, or a tape image of a disk, and it was originally running on one platform, and now you want to bring it up on another machine. How do you do it ?

This question gets asked (and answered) all the time in disaster recovery (DR) exercises. A classic situation will be this: a disaster occurs and computers are destroyed. The backup tapes with the images of each disk partition are at the DR site. They're taken out and now must be used to restore the necessary programs and data to a new system.

The trouble is that if the tapes were made from, say, a 3500 and now must be restored to a 450 (different hardware platforms), they won't simply run "out of the box". What steps need taking?

It's doable, and actually fairly simple at that. The strategy is to load an OS from CD onto the new system disks, and restore the rest from tape, making sure to preserve the platform-specific data. There is a specific set of directories that, if you copy them, will get you 85% of the way to having your image running on the new hardware.

So -- on a standard DR test, you would have 2 disks. The first disk would contain an OS loaded from CD. We'll call this disk 1. The 2nd disk will have the OS along with programs and data that need to be run on this hardware. So our strategy, then will be to copy the following directories from Disk 1 to Disk 2.

So here's what we do:

Mount disk2 to some convenient location, say, /mnt.
ex: If your target disk is c0t0d0s0, then :
mount /dev/dsk/c0t0d0s0 /mnt

From disk 2, remove the contents of the following directories:

(be sure to prefix each one with a "/mnt" if that's where you mounted disk2)


You can do this by typing rm -rf /[source]/* where [source is one of the listings above.

ex: rm -rf /mnt/dev/dsk/* [enter]

Then -- copy the contents of these directories from disk1 to disk 2 using the following command :

cd [source] ; find . -depth | cpio -pvdum [target]

ex: cd /dev/dsk ; find . -depth | cpio -pvdum /mnt/dev/dsk [enter]

Complete these steps for all of the above directories.

Finally -- install your boot block in disk2:

installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk \
dev/rdsk/c0t0d0s0 [enter]

(assuming disk 2 is c0t0d0s0)

Finally, copy over your path_to_inst file:

cp /etc/path_to_inst /mnt/etc/path_to_inst

Now, halt your machine, and tell your openboot to boot from disk 2 and you'll be up in no time.

If you have fancy drivers, such as veritas, or ipfilter, you'll need to remove them and reinstall them because their drivers live in the different directories that we've replaced, and so they won't be complete.


08/29/04 | by david2 [mail] | Categories: General

Stephen Colbert gets serious

08/27/04 | by david2 [mail] | Categories: General
From here

He does, however, have one earnest convention agenda, provided he wangles sufficient access: "We want to find out actual information about Republicans. We want to know where the pods are, where they're grown, and we want to photograph them before they're harvested." Just kidding.

Mission accomplished ?

08/26/04 | by david2 [mail] | Categories: General
From here

WASHINGTON, Aug. 26 — The number of Americans living in poverty rose by 1.3 million last year, to 35.9 million, while those without health insurance climbed by 1.4 million, to 45 million, the Census Bureau reported today.

It was the third straight annual increase for both categories.

Or maybe it's just the hair

08/26/04 | by david2 [mail] | Categories: General
"I believe this will be an event best observed from afar," said Daniel Peres, the editor of Details, the sexually ambiguous men's magazine.

"I don't want to see a lot of bad Men's Warehouse suits and a lot of badly parted hair walking around my neighborhood," he said. "All Republicans part their hair the same way."

Politics and the Brain

08/26/04 | by david2 [mail] | Categories: General
Alot of people may think that this is going out on a limb: the same kind of wild predictions were made 100 years ago after the publication of Freud's thesis on the mind. It was just a short matter of time, everyone said, before all of mankind's problems will be neatly taken care of, now that its inner secrets were accessible via psychotherapy.

And while it's true that eventually (probably sooner than later) the mind's secrets will be revealed, this,so far, is just another clue.

In this article, and in a followup article in the Times magazine (which I can't get a permalink to) the suggestion is that different parts of the brain light up in people of different political persuasions.

The attached photograph exposes one of the assumptions: that democrats and republicans are opposites on some kind of scale, which leaves out an awful lot of other political parties such as the luddites, whigs, greens, and the posse commitatus.

The new tools used by the researchers mentioned in this article aren't new: it's just MRI on a person's brain while he/she is being exposed to different politically themed advertisements.

Then, the results were tabulated and correlated to whether the person considered themselves democrat or republican. The most significant difference was activity in the amygdala of people of democratic persuasion. From previous research, the amygdala is associated with emotional response.

The default assumption would be that people who consider themselves democrats tend to use more emotion in their thinking and reasoning. But in what turns out to be another in a long line of famous conundrums and paradoxes, people with damaged amygdalas, while being fine at logic tests, show profoundly bad judgement.

All of this research is being conducted by people associated with UCLA, but who are actually in the political consultation business. They're more interested in how political ads affect voters than they are on the basic research of the difference between people of different political affiliations.

If the objective weren't political in the first place, then we might be seeing experiments on democrats and republicans that don't involve political advertisements, which quite possibly is complicating the research. For example. Democratic brains showed fear when being exposed to both nuclear bombs and 9/11 videos, implying that they have a much greater adverse reaction to violence.

But another explanation is that 9/11 implies a Bush victory since he is using that imagery to a huge extent in his campaign. Perhaps showing something non-political such as car crashes, or a boy pulling the wings off of a fly would reveal more.

One of the more interesting conclusions that's come out of all of this is that there is more to it than issues that bind the different parties together: in fact it appears that people make a political affiliation first and adopt the opinions on the particular issues from the party platform later. This would make sense if it were some other kind of selector that was drawing the parties together besides issues.

I, for one have always wondered how the different planks in each platform have come together. When you get right down to them, some seem to have extremely weak bonds based upon a common philosophy at all, save for the fact that they're there in the first place. Each party combines paradoxes of freedom and control.

If, as this research suggests, there is some other underlying commonality between members of political parties -- something in their personality that each person can detect in others, then it makes sense that people would seek out others of similar sensibility. The politics and issue-based opinions then serve as the grout between tiles that are already glued together.

From my armchair, it does seem to make a bit of sense. People who have an adverse reaction to violence would probably spend more time obtaining their ends through the means of politics and negotiation than through coercion and violence. I've often wondered how the pro-war set justify so easily dropping bombs on others or sending people off to their deaths in an electric chair without spending too much time worrying if they've got the wrong person.

It would be easy to run with the ball. I don't want to make the same mistake as the paleoentologists make in Monty Python: uncovering the toe of some critter and wildly extrapolating some crazy hairy beast connected to it.

That said, it appears that what I'm calling an aversion to violence may also, in a more general sense, simply be called empathy.

Is it that Republicans simply don't spend as much time worrying about the other person? Could it be that, as I noted in my previous posts, Republicans playing more to win compared with Democrats playing more for the truth? Could be this empathy in action? How about when applied to patriotism? Hating the French is easier to do when you don't care about things that aren't your own. You, your family, your country.

Republicans have always thought that the Democrats were wimpy and the Democrats have always thought that the Republicans were Rambos. Is it empathy that separates the two parties? Could a difference in the ability to consider others around them at the core of political differentiation?

These are just musings, certainly leaving much more about causes of political differences to be pondered when viewed from this light.

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