Fedora Live CD Spins - Are They Safe?

[Reindl Harald]

Am 24.01.2013 13:00, schrieb Frank Murphy:
> On Wed, 23 Jan 2013 21:10:24 -0500
> Temlakos <temlakos at gmail.com> wrote:
>> I'm trying to sort out the rumors I've heard. Among other things:
>> that using a Live Spin CD on an existing Fedora system is not safe,
>> and will destroy all data.
> 
> Live CD\DVD are not designed for upgrading.
> Good for testing h\w, rescue, min *DE install
> 
>> What is the safest way to upgrade an existing system from F17->F18?
>>
> 
> yum update --releasever=18 from a (level 3 boot)
> Have done it since F13 > F14 > F15 > F16 > F17 > F18

PLEASE BE CAREFUL

"yum update --releasever=18" is NOT enough for a clean dist-upgrade
so do not post it this way because you lead people follow you

you have SURELY not upgraded to F17 this way because UsrMove

http://fedoraproject.org/wiki/Upgrading_Fedora_using_yum
and there you have for each jump exact instructions
_________________________

"yum update" is NEVER a sane dist-upgrade

you need at least "distro-sync" because if you are doing it
without at the wrong moment and have a newer version of a
critical package on your system as the version you are upgrading
too "distro-sync" will downgrade it while "yum --update" in the
best case will not reslove deps and in the worst case leaves
a incompatible version on your system and depending what package
it is you can have much fun after that
_________________________

also you have to follow ALL instructions from the wiki
or you are running in danger that yum/rpm or whatever
critical component will no longer work

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