[one-users] Default how to convert "ubuntu 10.04 32 bits desktop" to "ubuntu 12.04 64 bits server"?

[Qiubo Su (David Su)]

Dear opennebula community,

how to convert "ubuntu 10.04 32 bits desktop" to "ubuntu 12.04 64 bits
server" (after the conversion, the GUI desktop will be still available)?

i have a 64 bits server (support virtualization) with "ubuntu 10.04 32 bits
desktop" installed. there are wine, filezilla, openoffice, oracle vm
virtualbox etc applications, and some VM OS images installed in this server
as well.

now i want to convert the "ubuntu 10.04 32 bits desktop" to "ubuntu 12.04
64 bits server", and require the above installed applications and VM OS
images still work after the conversion. can this be achieved without any
hassles? if yes, how to achieve it and what is the easiest way to do it? if
the above installed applications not working after the conversion, could
them work after being adjustified/reinstalled/tuned?

what i plan to do is to directly upgrade from "ubuntu 10.04 32 bits
desktop" to "ubuntu 12.04 64 bits server", with a burned "ubuntu 12.04 64
bits server" CD. is this ok? otherwise, please advice.

thanks,
david su
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