On Tue, 1 Dec 2015 16:12:07 +0100 Roberto Ragusa <m...@robertoragusa.it> wrote:

> On 11/30/2015 11:24 PM, Ranjan Maitra wrote:
> > On Mon, 30 Nov 2015 21:59:35 +0100 Roberto Ragusa <m...@robertoragusa.it> 
> > wrote:
> > 
> >> All of this can be done while the system is running
> >> normally.
> >> Before rebooting, fix your /etc/crypttab and initramfs
> >> so you will be asked the passphrase at next boot.
> > 
> > Can you please give me a reference on how to fix /etc/cryptab or this 
> > initramfs up?
> 
> I do not have a reference, I just discovered things with experience:
> 
> /etc/crypttab should contain something like:
> 
> luks-XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX 
> UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX none
> 
> 
> /boot/grub/grub.conf should contain on your kernel line the part
> 
> rd.md=1 rd.dm=1 rd.luks=1
> 
> or at least the luks one
> 
> 
> then I rebuild the initramfs; the way to do this is continuously changed so my
> method is to run   rpm -q --scripts kernel   and look at the posttrans part:
> 
> posttrans scriptlet (using /bin/sh):
> /sbin/new-kernel-pkg --package kernel --mkinitrd --dracut --depmod --update 
> 3.14.17-100.fc19.x86_64 || exit $?
> /sbin/new-kernel-pkg --package kernel --rpmposttrans 3.14.17-100.fc19.x86_64 
> || exit $?
> 
> so I run those two commands.
> 
> 
> Sorry for not giving an accurate procedure, but those are the points to 
> consider.

No problem. Thank you. this is very helpful. Btw, isn't the recommended way to 
edit grub by changing /etc/defaults/grub and then running grub-mkconfig or is 
that for something else?

Best wishes,
Ranjan

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