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Re: Colemak layout at boot time



On Sun 19 Sep 2021, at 13:00, Gareth Evans <donotspam@fastmail.fm> wrote:
> On Sun 19 Sep 2021, at 11:48, Gareth Evans <donotspam@fastmail.fm> wrote:
> > On Sun 19 Sep 2021, at 06:14, Gareth Evans <donotspam@fastmail.fm> wrote:
> > > On Sun 19 Sep 2021, at 05:49, David Wright <deblis@lionunicorn.co.uk> wrote:
> > > > On Sat 18 Sep 2021 at 21:56:34 (+0100), piorunz wrote:
> > > > > On 18/09/2021 20:00, David Wright wrote:
> > > > > 
> > > > > > A lot of hits from googling   grub colemak   including
> > > > > > https://forums.debian.net//viewtopic.php?f=16&t=76833
> > > > > > which uses dvorak as an example.
> > > > > 
> > > > > Thanks for your reply.
> > > > > Yes I seen this page.
> > > > > 
> > > > > ckbcomp dvorak command outputs the layout details and everything.
> > > > > 
> > > > > However:
> > > > > $ ckbcomp colemak
> > > > > /usr/bin/ckbcomp: Can not find file "symbols/colemak" in any known directory
> > > > > 
> > > > > > 
> > > > > > I don't recall the definition of "boot time password". Does this
> > > > > > denote something that Grub asks, or is it when dmcrypt is running
> > > > > > from the initrd?
> > > > > 
> > > > > By that I meant GRUB editor and Debian's standard whole disk encryption
> > > > > in Debian. I don't have Colemak there. I need to enter password in
> > > > > Colemak. Yes, I think that's called dmcrypt.
> > > > > 
> > > > > > Which is a reminder: is your keyboard definition
> > > > > > in /etc/default/keyboard getting incorporated into the initrd or not?
> > > > > 
> > > > > I don't know that. I only have Colemak in KDE. Everything else,
> > > > > including virtual terminals (Ctrl+Alt+F keys) are Qwerty.
> > > > 
> > > > How do you normally login, at a VC or in a Display Manager?
> > > > 
> > > > Where did you run "sudo dpkg-reconfigure keyboard-configuration" from?
> > > > 
> > > 
> > > > Have you seen this line:
> > > >   update-initramfs: Generating /boot/initrd.img-4.19.0-17-amd64
> > > > since you changed /etc/default/keyboard and ran
> > > >   sudo dpkg-reconfigure keyboard-configuration?
> > > 
> > > I replied just now before seeing this.  I think I may have taken the 
> > > "GRUB uses the US keyboard layout by default" in my link a bit too far! 
> > >  
> > > 
> > > > 
> > > > Checking your current initrd is a little tedious: you run
> > > > unmkinitramfs to unpack the initrd, and you zcat your
> > > > /etc/console-setup/cached_UTF-8_del.kmap.gz to, say, /tmp.
> > > > Then run, eg:
> > > > 
> > > > $ diff -u …/main/etc/console-setup/cached_UTF-8_del.kmap 
> > > > /tmp/cached_UTF-8_del.kmap
> > > > $ 
> > > > 
> > > > where they are the unpacked and decompressed files respectively.
> > > > 
> > > > Cheers,
> > > > David.
> > > > 
> > > > 
> > > 
> > > 
> > 
> > I have set up a VM with up-to-date Bullseye KDE (LUKS/LVM guided 
> > partitioning) to try to replicate this problem.
> > 
> > Adding the UK Colemak keyboard layout and promoting it to the top of 
> > the list in system settings > keyboard does not make it take effect in 
> > either the LUKS boot-time password or the graphical login - only after 
> > login to KDE.
> > 
> > Switching to UK layout for usage and then running in konsole
> > 
> > # dpkg-reconfigure keyboard-configuration
> > 
> > [choosing UK then Colemak then default for AltGr/special keys etc]
> > 
> > does not change the active keyboard layout, nor for the LUKS boot 
> > password or graphical login.
> > 
> > Out of interest, I thought I would try the  instructions (section 5):
> > 
> > https://cryptsetup-team.pages.debian.net/cryptsetup/encrypted-boot.html
> > 
> > - but they fail at the third command:
> > 
> > # tar -C "$memdisk" -cf /boot/grub/memdisk.tar
> > tar: Cowardly refusing to create an empty archive
> > Try 'tar --help' or 'tar --usage' for more information
> > 
> > I lack much experience with ramdisks and all but the simplest of grub 
> > configuration, but I can't see either an obvious problem with the 
> > syntax suggested, or anything in 'tar --help' that helps.
> > 
> > Any suggestions?
> > 
> > Thanks
> > Gareth
> > 
> > 
> 
> Scrap that, I missed the . at the end of the command
> 
> 

The commands appeared to succeed (with suitable alteration of variables) but my VM now boots into a grub prompt immediately - doesn't ask for LUKS password.  I think this may be because I didn't change the "ahci" module to something else in step 3.  

man grub-mkimage doesn't list possibilities.  Can anyone suggest a suitable alternative for a VM created with virt-manager/qemu-kvm?  

Many thanks
Gareth


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