On Wed, Jun 17, 2020, 09:04 Ken Moffat <[email protected]> wrote:

> On Wed, Jun 17, 2020 at 09:26:19AM -0500, Bruce Dubbs wrote:
> > On 6/17/20 9:19 AM, Ken Moffat wrote:
> > > I've now completed, and booted, a build of the new-style LFS.  I'm
> > > loggied in (and using ssh to write this post).  Both my normal
> > > users (ken, lfs), as well as root can login - so the passwords are
> > > correct.
> > >
> > > But only root can su, so I'm not going to be able to build anything
> > > after I've built X and run 'startx'.
> > >
> > > If I try to su, either to root or to another user, I get:
> > >
> > > ken@plexi /sources/scripts/lfs-dev/git$ su - lfs
> > > Password:
> > > su: Authentication failure
> > >
> > > And /var/log/auth.log shows
> > >
> > > Jun 17 14:48:04 plexi su[14069]: Authentication failed for root
> > > Jun 17 14:48:04 plexi su[14069]: FAILED su for root by ken
> > > Jun 17 14:48:04 plexi su[14069]: - /dev/tty2 ken:rootJun 17 14:49:10
> plexi su[14077]: Authentication failed for root
> > > Jun 17 14:49:10 plexi su[14077]: FAILED su for root by lfs
> > > Jun 17 14:49:10 plexi su[14077]: - /dev/tty2 lfs:root
> > > [...]
> > > Jun 17 14:50:19 plexi su[14086]: Authentication failed for root
> > > Jun 17 14:50:19 plexi su[14086]: FAILED su for root by ken
> > > Jun 17 14:50:19 plexi su[14086]: - /dev/tty3 ken:root
> > > Jun 17 15:01:05 plexi su[14206]: Authentication failed for lfs
> > > Jun 17 15:01:05 plexi su[14206]: FAILED su for lfs by ken
> > > Jun 17 15:01:05 plexi su[14206]: - /dev/tty5 ken:lfs
> > > Jun 17 15:02:48 plexi su[14207]: Successful su for ken by root
> > > Jun 17 15:02:48 plexi su[14207]: + /dev/tty2 root:ken
> > >
> > > At this point I don't have PAM installed. 'su' is from shadow-4.8.1.
> > >
>     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > Looking at shadow, I've made two changes since my last successful
> > > build:
> > >
> > > First, I applied the change to make the first user 1000 (until now I
> > > had omitted that)
> > >
> > > sed -i 's/1000/999/' etc/useradd
> > >
> > > Second, I changed the sed to force SHA512 to match the book (just
> > > reformatting) and git shows the following for my change:
> > >
> > > -sed -i -e 's@#ENCRYPT_METHOD DES@ENCRYPT_METHOD SHA512@' \
> > > -       -e 's@/var/spool/mail@/var/mail@' etc/login.defs 2>$KM_LOG
> > > +sed -e 's@#ENCRYPT_METHOD DES@ENCRYPT_METHOD SHA512@' \
> > > +    -e 's@/var/spool/mail@/var/mail@' \
> > > +    -i etc/login.defs 2>$KM_LOG
> > >
> > > I'm at a loss to know where I should be looking.  Any suggestions,
> > > please ?
> >
> > I'm still a little behind you.  I have not built PAM yet, but have you
> > rebuilt shadow after PAM?
> >
> >   -- Bruce
> >
> Hi Bruce, I have not installed PAM at this point.
>
> ĸen
> --
>        He died at the console, of hunger and thirst.
>        Next day he was buried, face-down, nine-edge first.
>                               - the perfect programmer
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So, can you humor me, and add the pound sign in front of the new encryption
method? It's been missing for, I don't know, at least 2 years? So the new
sed would be:


sed -e 's@#ENCRYPT_METHOD DES@#ENCRYPT_METHOD SHA512@'


Flareon Zulu

>
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Do not top post on this list.

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?

http://en.wikipedia.org/wiki/Posting_style

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