[CentOS] installing from pen drive?

Tosh toshlinux at gmail.com
Fri Apr 3 16:02:00 UTC 2009

sumit agarwal wrote:
> hi
>   I have downloaded 7 iso files onto a dvd for 5.2 x64 .
> can i install them using a pendrive or i need to make 7 cds out of them?
> Many thanks,
> Sumit
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Just follow the instruction I mailed already to Neil Aggarwa
It also works for cd iso images instead of dvd iso images

> I currently use a different method.
> 1) make the first partition active
>     fdisk /dev/sd[c]1 then a, 1 and w to write and quit
> 2) format the usb stick with fat or ext3
> 3) if you chose
>     (a) fat : you will need to make syslinux work on the stick
>         syslinux /dev/sd[c]1
>     (b) ext3 : you will need to use extlinux work on the stick
>         extlinux /dev/sd[c]1
> 4) I extract the isolinux folder from the dvd iso
> 5) rename all isolinux to (a) syslinux - (b) extlinux
> 6) copy the dvd/cd iso(s) to your stick
> 7) normally you should get the same boot loader as when you would pop in the cd/dvd, centos install will start loading necessary drivers and then you will have to chose hard disk install and point to the drive where your dvd/cd iso(s) are
> 8) anaconda will start and well the rest you know
> I have a 16gb stick with CentOS 4 32bit & 64bit and CentOS 5 32bit & 64bit to install my systems
> There is one problem, if you want to use kickstart, it will want the mounted iso files, have not yet figured a way to get around this or to get some command to mount the images somewhere

Toshaan <toshlinux at gmail.com> - http://www.toshaan.be

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