Re: How to restore BIOS-based backup on a UEFI machine

2021-01-15 Thread Jesper Dybdal
On 2021-01-15 18:22, Linux-Fan wrote: I back up with   cd / && find home -xdev -print0 | cpio -o0 -H crc | gzip | openssl enc -md sha256 -salt -pass file:passwordfile -aes-128-cbc >backup.cpio.gz.aes  Thank you for the `openssl` commandline. However, since I upgraded to buster, that

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-15 Thread Linux-Fan
Jesper Dybdal writes: On 2021-01-14 23:21, Linux-Fan wrote: Finally out of curiosity: You mention using CPIO archives. Do you have any input files above 8 GiB for your backup processes? I always thought that to be the limit of CPIO? My backups do not contain large files within the cpio

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-15 Thread Jesper Dybdal
On 2021-01-14 23:21, Linux-Fan wrote: Finally out of curiosity: You mention using CPIO archives. Do you have any input files above 8 GiB for your backup processes? I always thought that to be the limit of CPIO? My backups do not contain large files within the cpio archives, so I don't know

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-15 Thread Tixy
On Thu, 2021-01-14 at 13:45 -0500, The Wanderer wrote: > On 2021-01-14 at 12:58, Tixy wrote: > > > On Thu, 2021-01-14 at 11:15 -0500, The Wanderer wrote: > > > > Newer-model Intel chipsets specifically prohibit booting to > > > internal hard drives in "legacy boot" mode. > > > > Surely it isn't

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread David Christensen
On 2021-01-14 07:41, Jesper Dybdal wrote: I backup my Buster server simply as a (compressed, encrypted) cpio archive. Restoring it to a BIOS-based machine is simple: boot a rescue cd, partition the disk, restore all files, fix fstab if necessary, run update-grub and grub-install in a chroot

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread Linux-Fan
Alain D D Williams writes: On Thu, Jan 14, 2021 at 04:41:50PM +0100, Jesper Dybdal wrote: > I backup my Buster server simply as a (compressed, encrypted) cpio archive. > > Restoring it to a BIOS-based machine is simple: boot a rescue cd, partition > the disk, restore all files, fix fstab if

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread songbird
Jesper Dybdal wrote: ... > (My knowledge of UEFI is almost non-existent, and my knowledge of grub > is very limited.) if you are not mixing Debian with any other system and installing from scratch all you have to make sure of is that the system is detected as an UEFI system to begin with and

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread The Wanderer
On 2021-01-14 at 12:58, Tixy wrote: > On Thu, 2021-01-14 at 11:15 -0500, The Wanderer wrote: >> Newer-model Intel chipsets specifically prohibit booting to >> internal hard drives in "legacy boot" mode. > > Surely it isn't the chipset which determines what disk format you can > boot from, it's

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread Tixy
On Thu, 2021-01-14 at 11:15 -0500, The Wanderer wrote: [...] > Newer-model Intel chipsets specifically prohibit booting to internal > hard drives in "legacy boot" mode. Surely it isn't the chipset which determines what disk format you can boot from, it's the firmware. I know the BIOS on my new

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread Joe
On Thu, 14 Jan 2021 16:26:26 + Alain D D Williams wrote: > On Thu, Jan 14, 2021 at 04:41:50PM +0100, Jesper Dybdal wrote: > > I backup my Buster server simply as a (compressed, encrypted) cpio > > archive. > > > > Restoring it to a BIOS-based machine is simple: boot a rescue cd, > >

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread Alain D D Williams
On Thu, Jan 14, 2021 at 04:41:50PM +0100, Jesper Dybdal wrote: > I backup my Buster server simply as a (compressed, encrypted) cpio archive. > > Restoring it to a BIOS-based machine is simple: boot a rescue cd, partition > the disk, restore all files, fix fstab if necessary, run update-grub and >

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread Sven Joachim
On 2021-01-14 17:05 +0100, Sven Joachim wrote: > I don't think so, the only important thing is that on the restore > machine you need to set up an EFI system partition[1] from which the > system boots. It has to be formatted as FAT32 and mounted under > /boot/efi when you install grub-efi-amd64.

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread The Wanderer
On 2021-01-14 at 10:41, Jesper Dybdal wrote: > I backup my Buster server simply as a (compressed, encrypted) cpio > archive. > > Restoring it to a BIOS-based machine is simple: boot a rescue cd, > partition the disk, restore all files, fix fstab if necessary, run > update-grub and

Re: How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread Sven Joachim
On 2021-01-14 16:41 +0100, Jesper Dybdal wrote: > I backup my Buster server simply as a (compressed, encrypted) cpio archive. > > Restoring it to a BIOS-based machine is simple: boot a rescue cd, > partition the disk, restore all files, fix fstab if necessary, run > update-grub and grub-install

How to restore BIOS-based backup on a UEFI machine

2021-01-14 Thread Jesper Dybdal
I backup my Buster server simply as a (compressed, encrypted) cpio archive. Restoring it to a BIOS-based machine is simple: boot a rescue cd, partition the disk, restore all files, fix fstab if necessary, run update-grub and grub-install in a chroot environment.  That works. But if the