Migrating to standard Arch/64bit?

romax · 2018-09-03 09:23:08

I am running Arch Linux for a long time on a home server. For historical reasons, this has been a 32bit installation. When Arch ended the support for 32bit, I have followed the instructions to keep the system going.

However, I recently got issues, notably not being able to run/compile tvheadend anymore. As this is crucial to me, and the machine is capable of 64bit (cpuinfo lm), is there a way of migrating from Arch Linux 32bit to 64bit?

Thanks for any hints!

eschwartz · 2018-09-03 16:54:16

Yes, you could try the instructions here: https://wiki.archlinux.org/index.php/Mi … hitectures

My main issue with doing that on one box, is that it had 2GB RAM and ended up being even slower than it already was.

andreas_baumann · 2018-09-08 20:18:53

Thumbs up for this guide. It also works the other way round (yes, I had to transform a 64-bit only cloud machine to a 32-bit one in order
to test something).

pacman -Syyu
pacman -Qqn | pacman -Sw -
pacman -S busybox
sed -i 's/^Architecture.*/Architecture = i686/g' /etc/pacman.conf
wget http://archlinux32.andreasbaumann.cc/i6 … pkg.tar.xz
pacman -U pacman-mirrorlist-20180710-1.1-any.pkg.tar.xz
mv /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.64
mv /etc/pacman.d/mirrorlist.pacnew /etc/pacman.d/mirrorlist
# choose server in 32 mirrorlist
pacman -Syy
pacman -S archlinux32-keyring-transition
pacman -S archlinux32-keyring
pacman -Sw $(pacman -Qqn)
# brutal way (there is no lib32-pacman, if something goes
# wrong here, well, things are borked :-) ):
pacman -Qqn | pacman -S -
reboot
pacman -S pacman
grub-mkconfig -o /boot/grub/grub.cfg
grub-install /dev/vda

eschwartz · 2018-09-09 18:39:55

You don't really need pacman, since you can perform emergency untar using busybox.

However. If your kernel is still a 64-bit kernel (doing the migration in reverse means the booted kernel is the last thing you change, so you have bigger issues if you tried prematurely booting into the 32-bit one ) then you can still use the AUR package pacman-static which I maintain and provide prebuilt packages for (signed by my archlinux.org packaging key).

In fact, you yourself could build 32-bit packages if you wanted.

andreas_baumann · 2018-09-10 16:15:18

Ah. This is good news, I like a static pacman 32-bit version. :-)

Arch Linux

#1 2018-09-03 09:23:08

Migrating to standard Arch/64bit?

#2 2018-09-03 16:54:16

Re: Migrating to standard Arch/64bit?

#3 2018-09-08 20:18:53

Re: Migrating to standard Arch/64bit?

#4 2018-09-09 18:39:55

Re: Migrating to standard Arch/64bit?

#5 2018-09-10 16:15:18

Re: Migrating to standard Arch/64bit?

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