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I've Windows XP installed on my laptop. And I've external 80 GB drive which I usually connect to my laptop through USB.

I want to install CentOS 6.2 on this external drive & it should also boot from that drive if I connect USB to laptop. Is this possible? If so, can any one provide me step by step instructions on how to install it?

I googled it but couldn't understand from many of the links...Some of the links mentioned to download CentOS liveCD but then they also said that there is a limit of writing only 4 GB of data.

I want to make use of entire 80GB of my external drive. Can any one tell me which file do I need to burn exactly from the below ISO?

http://mirror.cisp.com/CentOS/6.2/isos/x86_64/

Also, how to install it on my external drive step by step???

Thanks!

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2 Answers

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As long as your laptop can boot from USB, you can do a standard CentOS installation on the disk. It acts just the same as any other disk. You probably want to download the LiveCD image from that link you posted.

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I read somewhere that if we install centos on external drive through the LiveCD ISO, it has certain limitation such as it won't allow more than 4 GB space to be utilized. Is that true?? I want to make use of entire disk space of my external hard drive. How can I do this? – Mike Dec 26 '11 at 6:07
I don't know why that would be a limitation. I suggest just trying it to see if it works. – Eli Dec 26 '11 at 20:26
It doesn't work. With LiveCD, there is limitation of 4GB persistence :-( – Mike Dec 28 '11 at 17:59
Wait, are you trying to put the livecd onto the disk? I was talking about installing CentOS on the disk, not as a live medium, actually running through the normal installer. Basically, burn CentOS to a CD, run the installer, and install it to the USB disk. That way you can use the entire disk for the install. – Eli Dec 29 '11 at 2:49
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Use this Linux Live USB creator to make a LIVE usb by which you ca install centos.

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Hey...LiveUSB cannot store file more than 4 GB...Please suggest something else... – Mike Dec 27 '11 at 6:50
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