How do I upgrade Suse Linux to sp3

Nil knowledge on Linux here

I need to upgrade the suse linux on a machine ( has SUSE Enterprise 11 SP2 ) need to upgrade to SP3
on advise I have downloaded the SP3 file. It is an iso file.

I read that one way of upgrading is to burn the iso to a disk and boot from it. The file os over 5GIGs . We dont have a burning software or disk handy to do a big disk.

I believe there can be other ways of doing it. What is the best alternative to do this please ? I would prefer to do this remotely( connect from a PuTTY  from a windows machine  - that way I dont have to go through the hassle of sitting in front of the server all the time)

I cannot do an online update due to a different issue so want to upgrade using the downloaded iso file.
indikadAsked:
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Zephyr ICTCloud ArchitectCommented:
I'm afraid that the only other option you have left is to boot from network/pxe or using a bootable media (e.g. usb), in other words, put your ISO file on the network and make sure your Suse server can boot from it, the server holding the ISO can even be Windows as long as it  supports HTTP, FTP, and NFS it will do fine...

Is that feasible for you?
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indikadAuthor Commented:
Hi spravtek,

yes it has a USB and also connected to network. Can you tell me how to get about it ? Sounds USB could be best.
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Zephyr ICTCloud ArchitectCommented:
Well ... First things first, do you have a server on the network that can act as the host for the ISO file? Will it be Windows or Suse? I'm having another think about the usb option, it might be tftp or dhcp is a better option... I'll check on this.

The principle is this:

1. prepare your host holding the ISO file (install/configure one of the following: HTTP, FTP, and NFS)
2. create a bootable usb drive or prepare DHCP/TFTP server
3. boot server and upgrade.
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rindiCommented:
If you have a USB stick that is larger than 5GB, you can try using Unetbootin to install the iso file to the USB stick. Then try booting the server from that USB stick to do the update.

http://portableapps.com/apps/utilities/unetbootin-portable

If it doesn't work with Unetbootin (it doesn't work with all distro's, and I don't know whether it does with SUSE), you can also try "WinSetupFromUSB", which works with many distro's unetbootin doesn't (just select the option "Linux ISO/Other Grub4dos compatible ISO" when you run the tool):

http://www.winsetupfromusb.com/downloads/

If neither of the above tools work, you can also open a terminal on SUSE, then use the following command:

sudo dd if=/PathToWhereTheISOFileIsStored/ISOFileName.iso of=/dev/sdx bs=4m

where "sdx" must be replaced with your USB stick, for example "sdc".
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gheistCommented:
zypper dup should do ok
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indikadAuthor Commented:
Hi all,

Thanks very much for your attention on this. Meanwhile I have been able to get the online update working ( had an issue before due to registration fail ).

However the information you have given is very useful so I have given points.

Thanks again.
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