What is initial login name and passed
 

Finally I boot into my LFS-7.8, but I could not login since I don't know the login name and passed. I don't remember I have set one during the process? Any Advice?

Thanks.

Hi login name is root and the passwd is the one you set on this page
http://www.linuxfromscratch.org/lfs/...06/shadow.html at the bottom of page

@spiky0011, Thanks for pointing out the root cause. I have solved the issue by resetting the passwd

My solution is:

remount the partition to $LFS, and also I need re-mount the virtual file systems mentioned on this page.
http://www.linuxfromscratch.org/lfs/...06/kernfs.html

Then I could manage to reset the passed for root by using