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Welcome to my blog, which was once a mailing list of the same name and is still generated by mail. Please reply via the "comment" links.

Always interested in offers/projects/new ideas. Eclectic experience in fields like: numerical computing; Python web; Java enterprise; functional languages; GPGPU; SQL databases; etc. Based in Santiago, Chile; telecommute worldwide. CV; email.

Personal Projects

Lepl parser for Python.

Colorless Green.

Photography around Santiago.

SVG experiment.

Professional Portfolio

Calibration of seismometers.

Data access via web services.

Cache rewrite.

Extending OpenSSH.

Last 100 entries

SQL Performance Explained; The Little Manual of API Design; Multiple Word Sizes; CRC - Next Steps; FizzBuzz; Update on CRCs; Decent Links / Discussion Community; Automated Reasoning About LLVM Optimizations and Undefined Behavior; A Painless Guide To CRC Error Detection Algorithms; Tests in Julia; Dave Eggers: what's so funny about peace, love and Starship?; Cello - High Level C Programming; autoreconf needs tar; Will Self Goes To Heathrow; Top 5 BioInformatics Papers; Vasovagal Response; Good Food in Vina; Chilean Drug Criminals Use Subsitution Cipher; Adrenaline; Stiglitz on the Impact of Technology; Why Not; How I Am 5; Lenovo X240 OpenSuse 13.1; NSA and GCHQ - Psychological Trolls; Finite Fields in Julia (Defining Your Own Number Type); Julian Assange; Starting Qemu on OpenSuse; Noisy GAs/TMs; Venezuela; Reinstalling GRUB with EFI; Instructions For Disabling KDE Indexing; Evolving Speakers; Changing Salt Size in Simple Crypt 3.0.0; Logarithmic Map (Moved); More Info; Words Found in Voynich Manuscript; An Inventory Of 3D Space-Filling Curves; Foxes Using Magnetic Fields To Hunt; 5 Rounds RC5 No Rotation; JP Morgan and Madoff; Ori - Secure, Distributed File System; Physical Unclonable Functions (PUFs); Prejudice on Reddit; Recursion OK; Optimizing Julia Code; Cash Handouts in Brazil; Couple Nice Music Videos; It Also Works!; Adaptive Plaintext; It Works!; RC5 Without Rotation (2); 8 Years...; Attack Against Encrypted Linux Disks; Pushing Back On NSA At IETF; Summary of Experimental Ethics; Very Good Talk On Security, Snowden; Locusts are Grasshoppers!; Vagrant (OpenSuse and IDEs); Interesting Take On Mandela's Context; Haskell Cabal O(n^2) / O(n) Fix; How I Am 4; Chilean Charity Supporting Women; Doing SSH right; Festival of Urban Intervention; Neat Idea - Wormholes Provide Entanglement; And a Link....; Simple Encryption for Python 2.7; OpenSuse 13.1 Is Better!; Little Gain...; More Details on Technofull Damage; Palmrest Cracked Too....; Tecnofull (Lenovo Support) Is Fucking Useless; The Neuroscientist Who Discovered He Was a Psychopath; Interpolating Polynomials; Bottlehead Crack as Pre-amp; Ooops K702!; Bottlehead Crack, AKG K701; Breaking RC5 Without Rotation; Great post thank you; Big Balls of Mud; Phabricator - Tools for working together; Amazing Julia RC5 Code Parameterized By Word Size; Chi-Square Can Be Two-Sided; Why Do Brits Accept Surveillance?; Statistics Done Wrong; Mesas Trape from Bravo; European Report on Crypto Primitives and Protocols; Interesting Omissions; Oryx And Crake (Margaret Atwood); Music and Theory; My Arduino Programs; Elliptic Curve Crypto; Re: Licensing Interpreted Code; Licensing Interpreted Code; ASUS 1015E-DS03 OpenSuse 12.3 SSD; translating lettuce feature files into stub steps files; Re: translating lettuce feature files into stub steps files; A Tale of Two Psychiatrists; The Real Reason the Poor Go Without Bank Accounts; The Rational Choices of Crack Addicts; Forgot grouped

© 2006-2013 Andrew Cooke (site) / post authors (content).

Magic Blue Smoke

From: "andrew cooke" <andrew@...>

Date: Fri, 2 Mar 2007 21:56:29 -0300 (CLST)

I started my new job (at MuleSource) this week and, for the next month, am
using my old server.  This is the machine I brought across from the UK to
Chile - I remember buying it almost as a talisman of "the old world" -
although very little is the same hardware now, having been replaced bit by
bit over the years.

Anyway, a couple of days ago the CDRWDVD died (in an odd way, locking the
IDE controller and taking the machine down).  And tonight, looking through
the logs to make sure things had been truly fixed (by unplugging the
drive), I see:

Feb 28 23:09:06 noisy kernel: MCE: The hardware reports a non fatal,
correctable incident occurred on CPU 0.
Feb 28 23:09:06 noisy kernel: Bank 1: 9000000000000171
[...]
Mar  2 02:25:25 noisy kernel: MCE: The hardware reports a non fatal,
correctable incident occurred on CPU 0.
Mar  2 02:25:25 noisy kernel: Bank 2: 940040000000017a

Ouch.  Luckily I have another processor laying around, but it seems like I
really need to buy a new server (doing dev work on this could be simpler).

Unfortunately it's hard to find good "middle range" machines here.  I can
get cheap PCs, or expensive commercial servers, but "workstations" are
hard to find.  My current box (from DN) has easily outlived a cheap PC I
bought here - how do I find something similar?

Andrew

1.86GHz, 4GB, 1TB

From: "andrew cooke" <andrew@...>

Date: Sat, 3 Mar 2007 02:01:54 -0300 (CLST)

Seems like the best way is to build it yourself.  The following is driven
largely by what memory appears to be plentiful (DDR2-2400):

Case                                                            28.990
http://pcfactory.cl/ficha_producto.php?id_producto=3918
Power Supply                                                    19.600
http://pcfactory.cl/ficha_producto.php?id_producto=3910
Core 2 Duo 1.86GHz                                             138.990
http://pcfactory.cl/ficha_producto.php?id_producto=3985
Mother Board Asus P4 P5LD2-SE                                   74.300
http://pcfactory.cl/ficha_producto.php?id_producto=3803
Generic Memory 4GB (4 x 50.500)                                202.000
http://pcfactory.cl/ficha_producto.php?id_producto=3474
SATA Disks (4 x 320GB @ 74.700, 3 in SW Raid 5)                298.800
                                                               -------
                                                               762.500

Andrew

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