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World: r3wp

[Tech News] Interesting technology

Kaj
23-Apr-2011
[5964]
I've even ported part of GNU Portable DotNet
GrahamC
23-Apr-2011
[5965x2]
Is Java on Syllable yet?
Is there a Syllable AMI ?
Kaj
23-Apr-2011
[5967x2]
We used to have the Kaffe VM, but nobody did anything with it, so 
beyond shouting that we must have it, there's no interest
As I said, I haven't started with EC2 yet. I'd have to port Syllable 
Server to EC2. Syllable Desktop is impossible to run on EC2, unless 
you'd run it in a full emulator
GrahamC
23-Apr-2011
[5969x2]
Are people running desktops on Ec2 ?
And I pre-paid for a 3 year Windows instance a month or so ago :(
Kaj
23-Apr-2011
[5971x2]
You could run remote desktops on a server, so I guess some people 
are also doing that on EC2
Admins like single points of failure ;-)
GrahamC
23-Apr-2011
[5973x3]
https://forums.aws.amazon.com/thread.jspa?threadID=65649&tstart=0

some guy was monitoring hundreds of ECGs on Ec2 :(
All this happening a few days after that Chinese hacker group boasting 
that they could bring down any country's infrastructure :(
This fiasco has seriously dented the reputation of running cloud 
based systems.  If the largest provider can't get it right, who can?
Kaj
23-Apr-2011
[5976x3]
Probably the smallest. They carry a way lighter load
The uptime of our attic cloud compares quite favourably with many 
providers
Although now that I've said that, I'm sure the hot weather will soon 
blow out a hard disk...
GrahamC
23-Apr-2011
[5979]
You run your server in the attic?  the hotest part of the house??
Kaj
23-Apr-2011
[5980x2]
Some days of the year, yes
Then again, we don't have hundreds of heart patients hanging off 
it
GrahamC
23-Apr-2011
[5982x2]
I think I should setup a secondary fall back server in the Singapore 
availability zone.  Hopefully what happens in the USA does not impact 
other regions.
Amazon's talk of region isolation was clearly not true.
Kaj
23-Apr-2011
[5984]
Houses here don't have cellars anymore, because, as anyone knows, 
electricity is always there...
GrahamC
23-Apr-2011
[5985]
Don't most Dutch houses have wind mills on them for power?
Kaj
23-Apr-2011
[5986x2]
Just a few farms
And besides, they run the machines that cut out the wooden shoes
GrahamC
23-Apr-2011
[5988]
and the wooden shoes are burnt to make steam?
Kaj
23-Apr-2011
[5989x2]
When a hunger winter comes, yes
That's when we eat the tulips
GrahamC
23-Apr-2011
[5991x3]
http://www.wind-works.org/articles/noiseswt.html


search for Chiu to find out about the wind turbine I had on my house 
:)
And here's a picture of my turbine http://www.compkarori.com/images/air403.gif
I have an inverter so that I could use the power from the 12V batteries 
to power my server
Kaj
23-Apr-2011
[5994]
It says you still have it but it will cost you tonnes to turn it 
on...
GrahamC
23-Apr-2011
[5995x2]
I don't have it anymore .. the company took it away :(
The threat of a $200,000 fine was a little too oppressive for me
Kaj
23-Apr-2011
[5997]
How big was it?
GrahamC
23-Apr-2011
[5998x2]
not very big .. just over 1m span I think.  Made lots of noise energy 
only!
I think they use these on small boats where if the neighbours complain, 
you just sail somewhere else!
Kaj
23-Apr-2011
[6000x2]
:-) Yeah, I've seen those in recent years
So they make too much noise because they're too small?
GrahamC
23-Apr-2011
[6002x2]
yes
well, because they spin so fast
Kaj
23-Apr-2011
[6004x2]
That's the case with CPU fans, as well
Size matters. The bigger the better
GrahamC
23-Apr-2011
[6006x4]
to shed energy ( so that they blades don't fall apart ), they undergo 
fibroelastic shudder
which creates vortices and lots of noise
flutter
here's a picture from the roof .... http://www.compkarori.com/images/karori403.jpg
Kaj
23-Apr-2011
[6010]
I've been riding my bicycle under those really big ones in a big 
storm. Pretty impressive
GrahamC
23-Apr-2011
[6011]
I thought I would be far away from the neighbours .. but clearly 
I was not
Kaj
23-Apr-2011
[6012]
It looks quite close. The noise of small fans is very high pitched. 
It annoys the hell out of me, too
GrahamC
23-Apr-2011
[6013]
I was going to short it during the night which basically puts a break 
on the whole thing.  And leave it going during the day