Re: Convert FC27.i686 (existing) to FC27.x86_64(new).
On 12/15/2017 11:08 AM, Rick Stevens wrote:
On 12/15/2017 08:18 AM, Roberto Ragusa wrote:
> On 12/14/2017 04:28 PM, Roger Heflin wrote:
>> I don't believe there really is an easier way.
>>
>> You can download a kernel.org kernel or the fedora kernel source and
>> built it to be 64-bit and boot that on a 32-bit userspace and that
>> will get you around some kernel memory/resource limits, I did that
>> previously on one of my machines for 6-12 months before doing a clean
>> reinstall to 64-bit.
>>
>> I dont know if you can convince dnf to install a 64-bit fedora kernel
>> on 32-bit userspace, if you can and it boots and it has the right
>> settings compiled in the kernel by default then that kernel will work
>> with a complete 32-bit userspace.
> Why not just using a Fedora 64 bit kernel? You can hammer rpm enough
> to let you install that, and you get the 64 bit kernel + 32 bit userspace;
> I did that years ago.
> Then, after a while I converted some packages to 64 bit by replacing
> some rpms with 64 bit versions. Then, my definition of "some" got expanded
> to the entire distribution, and I got a fully 64 bit system out of what was
> originally 32 bit. Not easy but possible. (anyway, the original post
> asked for an easier way than a reinstall, so I don't advice doing this)
I tend to agree. Can you convert a 32-bit system to 64? Yes. Is it easy?
Nope. Invariably there's some cruft left over from the 32-bit
environment that will cause problems and confusion down the road.
I'd back up your /home stuff to external media, do a full 64-bit install
and restore what you need from the external media. As Kari from the old
MythBusters used to say, "It's safer that way."
I would also back up
configuration files in /etc to external media,
and restore them after installing the 64 bit OS,
including any files/dirs in /etc/default/
Good luck to the OP.