Re: Upgrade from CentOS6.6 to CentOS 7

[m.roth@xxxxxxxxx]

Traiano Welcome wrote:
> On Tue, Dec 15, 2015 at 6:36 PM, Digimer <lists@xxxxxxxxxx> wrote:
>> On 15/12/15 10:17 AM, Traiano Welcome wrote:
>>>
>>> Is it possible to upgrade from CentOS 6.7 to CentOS 7?
<snip>
>> Given how radically the OS changed, I would strongly advice against it.
>> The move from sysvinit to systemd alone is enough to recommend against
>> an upgrade.
>
> So it's not possible under any circumstances?

Let me offer you one option: *IF* you have enough space on your
filesystems, you could:
mkdir /boot/old /old
zsh
zmodload zsh/files
mv /boot/* /boot/old/
mv /usr  /old/
mv /lib* /old/
sync
sync
And go into the installer. If you have a problem, you can go back....

       mark

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