Fresh installat LinuxCNC 2.6.7 on Lucid 10.04.4LTS

I can not find the instruction for Fresh installation of LinuxCNC 2.6 on a freshly installed Ubuntu lucid,
Here is the steps I figured out with the help from Google and lots of reading.
Need some sanity check
Install OS Ubuntu 10.04.4 LTS (Lucid Lynx)

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Done
Download the .iso
<PC (Intel x86) desktop CD> from <old-releases.ubuntu.com/releases/10.04.3/>
The .iso name is <ubuntu-10.04.4-desktop-i386.iso>

Create a LiveCD USD using Rufus2.1 ---- Done

Boot up and Install ---- Done

Configure hardware ---- Almost Done

Ready for LinuxCNC

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I'm here.

Going with Buildbot <buildbot.linuxcnc.org/>

add the buildbot archive signing key to apt keychain
$ sudo apt-key adv --keyserver hkp://keys.gnupg.net --recv-key E0EE663E
(Key fingerprint = 4FA2 D1ED 5B2F 38AB 01A4 AB7E EF1B 07FE E0EE 663E)

launch"Software Center" Accessories>
Open the <Edit> menu and launch <Software Sources>.
Add a new Apt line of the package of choice,
Decided on 2.6 Branch Stable, Lucid (realtime with RTAI), architectures: i386,
hence the Apt Line is
<deb buildbot.linuxcnc.org/ lucid 2.6-rt>

fetch the package list from linuxcnc.org
$ sudo apt-get update

fetch the package and install
$ sudo apt-get install linuxcnc

Done

Did I missed anything? such as installing the RTAI kernel and/or other modules?

Nope, it didn't install... No joy,
Sypnaptic Package manager won't let me mark.
It also say

Ken

Why are you installing 10.04 and then trying to add linuxcnc plus realtime etc?

Why not just install the 10.04 distro CD and then upgrade linuxcnc to whatever version you want?

My old LiveCD were damaged. and the .iso image was lost.
and I wasn't aware that I have to build the rtai.... Buildbot page didn't mention anything about it... so I just did what I did...

Its fine, I downloaded the 2.5 liveCD and am on my way upgrading