tmpfs as /mnt install question

Alan Mizrahi alan+crux at
Fri Apr 22 02:58:02 UTC 2016

On 2016-04-22 08:31, Steve Volumetric wrote:
> I apologize if this is the wrong place for this, but I'm trying to 
> understand an issue I'm running into.
> For educational purposes, I'm trying to install Crux 3.2 onto a 
> ramdisk, naturally I know everything will disappear upon reboot, but 
> I'm not worried about that - i'm just trying to see what can be done.
> Going from the Official Crux 3.2 install guide, I go through all the 
> same steps I generally follow, except to establish /mnt I do:
> mount -t tmpfs -o size=8gb tmpfs /mnt
> I can run the setup, I can setup-chroot, but I can't passwd
> when I do passwd, it immediately tells me:
> Changing password for root
> Enter the new password (minimum of 5 characters)
> Please use a combination of upper and lower case letters and numbers.
> Bad password: too short.
> Warning: weak password (enter it again to use it anyway)
> passwd: password changed.
> but I don't even have a chance to type anything, it just does all of 
> that at once.

You probably skipped this command from the install guide:

mount --bind /dev /mnt/dev

> When I look in /etc/passwd  I can see a line for root, but no 
> password, unsurprisingly.

Unsurprising indeed, since the password should be in /etc/shadow ;)



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