Hi All ,
Is there a possibility to convert an existing FC27.i686 to FC27.x86_64 OS ?
I installed long agoo the i686 architexture on elder machines and did proceed doing so on 64 Bits and PAE capabel machines .
Now I intent to switch from i686 to x86_64 : So the question is , can I do so only by a fresh install , or is there an "easier" way ?
Regards ,
Ger van Dijck.
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.
On Thu, Dec 14, 2017 at 9:16 AM, Ger van Dijck ger.vandijck@dommel.be wrote:
Hi All ,
Is there a possibility to convert an existing FC27.i686 to FC27.x86_64 OS ?
I installed long agoo the i686 architexture on elder machines and did proceed doing so on 64 Bits and PAE capabel machines .
Now I intent to switch from i686 to x86_64 : So the question is , can I do so only by a fresh install , or is there an "easier" way ?
Regards ,
Ger van Dijck.
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On Thu, 14 Dec 2017 16:16:53 +0100 Ger van Dijck wrote:
Hi All ,
Is there a possibility to convert an existing FC27.i686 to FC27.x86_64 OS ?
I installed long agoo the i686 architexture on elder machines and did proceed doing so on 64 Bits and PAE capabel machines .
Now I intent to switch from i686 to x86_64 : So the question is , can I do so only by a fresh install , or is there an "easier" way ?
Same here. My strategy (not yet done, still thinking about):
- Get a list of all installed packages to a save place - Save all modified configs (maybe complete /etc) - Do a fresh install of the x86_64 - Install all in the save package list - Restore configs (from saved)
Can a guru tell us if this will result in the same system in 64bit architecture.
Cheers, Frank
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)
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." ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, AllDigital ricks@alldigital.com - - AIM/Skype: therps2 ICQ: 22643734 Yahoo: origrps2 - - - - Let us think the unthinkable. Let us do the undoable. Let us - - prepare to grapple with the ineffable itself, and see if we may - - not eff it up after all. - - -- Douglas Adams - ----------------------------------------------------------------------
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.
-
Frank Elsner -
Ger van Dijck -
JD -
Rick Stevens -
Roberto Ragusa -
Roger Heflin