[AT&T Samsung Galaxy Note I717] jairrab:
Why would I update the kernel of my Korean Note to Tegrak? There are so many kernels out there for Galaxy Note. Why have one specifically for Tegrak?

The primary reason (at least for me) to update to Tegrak Kernel is to be able to root my device. While there are many rooted kernel variants and custom ROM available for International Galaxy Note (N700) and AT&T, there's very few for the Korean note version. In fact, for the english speaking community, it is the only rooted kernel that's well-documented and discussed. In the Korean and Chinese forums there seems to be a handful of custom rooted ROMs, but unless you speak those languages, you would find it almost impossible to register (because of the foreign characters), moreso to download and install the necessary files. Tegrak kernel also appears to be highly popular even for those communities.

For a more technical understanding of the Tegrak kernel, you can find it on it's website (in Korean so you may want to use Google's translate feature) or for an english description, via its Google Playstore kernel app page. Note, as described on the section below entitled "Completing the Rooting Process", you will need to install and configure this app to complete the rooting process.

Are there other means of rooting Korean Galaxy Note aside from updating to Tegrak's kernel?

Yes, you can download a rooted stock binary (Original Samsung firmware, but rooted) and install it. Note that this is a 1.2GB file download. Here's the link on how to do it:

http://xdaforums.com/showthread.php?t=1899200

Are there custom ROMs available for our beloved Korean Note?

There's one I know of that seems to be working well, and it's CM9- Android 4.0.4 (aside from a handful probably that's impossible to download from those Chinese and Korean forums for us english users). A couple of things that has kept me from using it is the lack of support from call recording and inability to connect to infrastructure wireless setup that my company is using. I also like the pen-features built-in with Samsung touchwiz interface. Other than that, it really is very snappy and feels faster than stock. You can find the CM9 rom in this thread:

http://xdaforums.com/showthread.php?t=1969900

Pre-Requisites

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Make sure you have Samsung Kies installed so your phone will be recognized during "download mode" (see below)

Download ODIN from the link below and extract it to a folder on your PC

Download the appropriate Tegrak "Recovery" and "Kernel" files that is SPECIFIC to your model

Save the "Kernel" .zip file into the root of your internal storage

Booting into "Download Mode"

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Turn off your phone. Connect usb cable to your PC

Hold down the ff buttons: volume down + home + power, you will see a warning sign with korean writing…… press volume up

Installing the Tegrak "Recovery Module" and Booting into it

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Run ODIN, you should see a yellow “0:[COM__]” at the left side to continue

Make sure only "Auto Reboot" and "F Partition Time" are checked

Look for a tab that says “PDA” and select the correct "Recovery" .tar file for your model from the links below

Click “Start” and wait for the reboot

Next is turn off the device again, once the device is fully turned off… hold the following buttons: volume up + volume down

While holding down the volume buttons, turn on the device by pressing the power button

You should be in Tegrak’s recovery mode by now, you will be in a black screen with writings saying “Tegrak Kernel Build __″ highlighted yellow at the top of the screen

Congratulations, you have installed Teg

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rak Recovery

Installing the Rooted "Tegrak Kernel"

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On the Tegrak Recovery Menu, navigate using the volume buttons and select by pressing the home buttons

Select "install zip from sdcard" under UPDATE

Search for the "Kernel" .zip file you saved into your internal storage and select that with the power button to install

Select "Exit" then "Exit stock recovery" to exit the recovery module

You will go back to system recovery. Click "reboot system now" to boot back to android

If you succesfully boot back to Android- Congratulations, you have installed T

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egrak Kernel

Completing the Rooting Process

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Go to Google Play store to install "Tegrak Kernel" and "Superuser" in case you haven't had any of this installed yet

Search and install “Tegrak Kernel”. Run it and click "Enable Rooting"

If you got a succesful rooting confirmation- Congratulations, you have succesfully rooted your device

Search and install “Superuser”. You will need this to facilitate giving root access to your apps

You can also choose to install "Tegrak Overclock" to overclock your CPU. You may want to make sure you are familiar with overclocking and risk associated with it before proceeding

Congratulations- your done. Enjoy debloating and optimizing your phone!

Download Links

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IMPORTANT: Make sure the kernel and recovery matches the firmware version listed

Go to "System Settings" --> "About phone" to know your firmware version

I'll try to update this post if new firmware and accompanying kernel/recovery are made available

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ODIN

Link- Download and Extract to a folder on your PC

SHV-E160S

Recovery: FA09, UH24

Kernel: FA09, UH24

SHV-E160K

Recovery: FA09, UI24, UK09

Kernel: FA09, UI24, UK09

SHV-E160L

Recovery: FA09, UH24

Kernel: FA09, UH24​

Credits:

Master Tegrak: http://pspmaster.tistory.com/?page=3

Folks at RootGalaxyNote for helping define instruction set​