[CentOS] Upgrade from CentOS6.6 to CentOS 7

Tue Dec 15 16:10:31 UTC 2015
m.roth at 5-cent.us <m.roth at 5-cent.us>

Traiano Welcome wrote:
> On Tue, Dec 15, 2015 at 6:36 PM, Digimer <lists at alteeve.ca> wrote:
>> On 15/12/15 10:17 AM, Traiano Welcome wrote:
>>> Is it possible to upgrade from CentOS 6.7 to CentOS 7?
>> 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
zmodload zsh/files
mv /boot/* /boot/old/
mv /usr  /old/
mv /lib* /old/
And go into the installer. If you have a problem, you can go back....