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Thecus N2100: Testing a new kernel. Or the Installer. Or Revert. Or Recover.

Posted by coldtobi | 15 Aug, 2008, 10:09

Because of personal experience, it is good to test a kernel prior flashing it: It ould happen, that the Thecus won't boot with a new kernel. I learned this the hard way.

But how to test it? The trick is, to the kernel into RAM and execute it from there.
This howto will show all the steps necessary to testdrive a kernel.

By the way, these instructions are also good for other uses: For example,

• if you need a recovery/rescue system, (the debian installer is fine for that purpose.)

• if you prefer to run the debian installer from RAM, (for tests, or if you don't wan't to reflash your current firmware)
• if you want to uninstall debian and revert to the original firmware.
• have a backup-kernel handy. ("Known-Good-Kernel")

Best of all, this is done completely in RAM. So just "pull the plug" to revert to the old state.

Update: Please also read this article for some updates. (More)

Seamless integration Google Search into Lifetype (Part 2)

Posted by coldtobi | 18 Jul, 2008, 22:34

This is the second part of the "seamless integration of Google Search into lifetype". To help you navigating, here are the links to oher parts: 

• Search into Lifetype (Part 1 -- Introduction)
• Register at google a Custom Search Engine (Part 2)
• Edit the template for the search results (Part 3)
• Edit the .htaccess for an additional ReWriteRule. (Part 4)

 (More)

Great Movies: War Games

Posted by coldtobi | 18 Jul, 2008, 22:01

Do you remember the old style Sci-Fi movies? The ones where the "computers of the future" are shown, at the times where computers where scary and filled up complete rooms. And where reality outreached every imagination of the brilliant directors -- at least seen 25 years later.

One of my favorites is WarGames. As a computer geek this one is especially appealing for me: It has hardware is worth the name. Hackers and a gone-mad supercomputer playing with nukes. Together they playing towards doomsday, as finally the AI is figuring out the difference of reality and games. At last tic-tac-toe will saved the world.

 (More)

Seamless integration Google Search into Lifetype (Part 1)

Posted by coldtobi | 16 Jul, 2008, 17:43 Some weeks ago, I integrated the Google Search into the blogging platform on this site. At this time I already planned to do a "how to", as this might be also interesting for others. Seamless integration means, that the search results are embedded in the look and feel of the blog: It should use the same templates and also present the search results matching to the design of the blog.

Of course, you don't want to maintain different template system, so best the search engine will use exactly the same template files also used for the rest of the blog.

Overview:

• Seamless integration Google Search into Lifetype (Part 1 -- Introduction)
• Register at google a Custom Search Engine (Part 2)
• Edit the template for the search results (Part 3)
• Edit the .htaccess for an additional ReWriteRule. (Part 4)

 (More)

How to check if you have ModRewrite

Posted by coldtobi | 12 Jul, 2008, 18:58

ModRewrite comes handy for SEO and other opportunites, where you want to change URL to something else. Lifetype uses this to assemble all the php parameters and make more search-engine and humanfriendly URLs. Also, you can do the RFI Protection I described earlier.
To find out, whether your webhoster's Apache supports ModRewrite, you have basically two options:

 (More)

Still Blogging...

Posted by coldtobi | 12 Jul, 2008, 13:20

Some may be wondering why it is currently quiet here. Well, I am still alive ;-) but currently I justing lack teh time for blogging...

But times will get better soon ;-)

 

Hard-To-Find Documents

Posted by coldtobi | 9 Jun, 2008, 14:27

The Freescale HSC12 ("Star 12") Instruction Set. It took me almost 1/2 hour to find that damn thing.
Next time, I know where to look: At my blog.

http://www.freescale.com/files/microcontrollers/doc/ref_manual/S12CPUV2.pdf

 (More)