Using Amazon S3 for torrent tracking and seeding

Video tutorial is bellow.

What is Amazon S3?

Amazon S3 is storage for the Internet. It is designed to make web-scale computing easier for developers.
Amazon S3 provides a simple web services interface that can be used to store and retrieve any amount of data, at any time, from anywhere on the web. It gives any developer access to the same highly scalable, reliable, secure, fast, inexpensive infrastructure that Amazon uses to run its own global network of web sites. The service aims to maximize benefits of scale and to pass those benefits on to developers.

Why use Amazon S3 instead of regular webhosting or file storage?

  1. Massive scalability, store a few Mbs all the way to thousands of Terabytes of data and never (almost) experience slow speeds.
  2. Great data redundancy (Amazon S3 has never lost a file as far as we can tell).
  3. Pay as you go, only pay for what you use, and if you use very little its free! (Free tier)

Why no use Amazon S3?

  1. Pay as you go! Costs can be difficult to predict upfront as you are charged depending on multiple factors including storage size, downloads, api calls etc.
  2. Can be expensive depending on your needs, especially if your requirements are modest and you don’t need crazy redundancy, a VPS or dedicated server might be cheaper.

Why use Amazon S3 in torrent mode?

BitTorrent is a P2P file sharing technology which allows you to download chunks of files from multiple locations and then put it together into the original file. This means that a torrent will take some strain of your S3 account as files will be shared between users and they don’t have to get everything from you, since S3 charges by usage this can lead to some nice savings for you!

How to use amazons S3 cloud storage service to track and seed torrent files potentially saving a lot of money by reducing bandwidth usage.

Amazon S3 as a torrent seeder and tracker.

Motivational Quotes for Android is here!

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Fun with Android Markets new last 30 days Graph.

Fun with Android Markets new last 30 days graph.

The Android Market web interface recently introduced a new feature, on every app details page there is a little graph which shows the installs the App has received over the last 30 days, and I think it makes for some interesting viewing. Its fascinating how something so small can reveal so much and yet keep so much hidden at the same time.


back stab graph

BackStab graph

 

 

For example, taking a look at the graph for the highly polished game BackStab by Gameloft.
The game has been on the featured front page section of the market for quite some time now shows an initial slow start, then a meteoric rise (when it started being featured perhaps?) till its peak roughly 15 days ago, and now in what looks like a fall of a cliff with a few bumps on the way. This is a little surprising since you (I) would expect such a well made game which is being promoted by Gooogle on the front page to continue to get great downloads. Especially considering it has relatively few installs (5,000-10,000) so I don’t think it has saturated the market. Maybe the price $6.99 which might be more than users are used to for Android Apps is to blame.

 

 

 

 

 

 

 

 

 


cut rope graph

Cut the Rope graph

 

 

The same sort of graph shape can be seen for the highly successful iPhone port Cut the Rope,
which was immediately promoted to the featured page by Google, a steep rise in installs, then hitting a peak and now a rapid (less rapid than Backstab’s) descent back down. Although cut the rope has between 100,000 and half a million downloads so perhaps a slowdown is only natural, it also has the much more customary App price of $0.99.

 

 

 

 

 

 

 

 

 

 


robo defence graph

Robo Defence graph

 

And lastly lets take a look at Robo Defence (Paid), an Android main stay and one of the early successes on the Android market.
Its graphs is a bumpy horizontal line,  because it has been on the market for way longer than 30 days we can not know if the current level of installs is “good” or “bad” compared to what it once was, but we can see that installs have largely stabilized and perhaps slowly decreasing, if i judge the slope of the graph correctly, and is that an oncoming dip towards the end I see? Robo Defence has between half a million and a million downloads at at a price of $2.99 (current price, they do change).

 

Happy exploring!

Running Big Endian Debian Sparc in Qemu on Windows

Part 1
Part 2

Notes:

Running a Big Endian Debian Sparc system in Qemu on Windows.

I have uploaded my own Qemu image so you can skip everything and use my image directly which contains everything shown in the videos.

My Qemu Image: http://www.filesonic.com/file/848588364/debian_etch_sparc_small.qcow2

Urls:
Qemu on Windows
http://lassauge.free.fr/qemu/

Debian Sparc Qemu Images:
http://people.debian.org/~aurel32/qemu/sparc/

Repository Sources:
################################

deb http://archive.debian.org/debian/ etch main non-free contrib
deb http://archive.debian.org/debian-security/ etch main non-free contrib
deb http://archive.debian.org/debian-volatile/ etch main non-free contrib

Update package list:
#############
apt-get update

Install gcc:
##############
apt-get install build-essential

Settings:

Endianes testing code

##############################

http://dl.dropbox.com/u/4270110/en.c

Dropbox:

www.dropbox.com
P.S

Newer versions of Debian Sparc (lenny and up) don’t work on Qemu.