RE: I installed RH 7.2 and now I can't login as myself or root

["Taylor, ForrestX" <forrestx taylor intel com>]

> Thanks for the info.  I've solved the login problem (see below).
> 
> > From: "Taylor, ForrestX" <forrestx taylor intel com>
> > To: "'enigma-list redhat com'" <enigma-list redhat com>
> > Subject: RE: I installed RH 7.2 and now I can't login as 
> myself or root
> > 
> > > During the install, I decided to enable NIS, which I haven't done
> > > before at this site.  I selected NIS, shadow passwords, no md5
> > > passwords.  I specified our Solaris NIS server as the NIS 
> server and
> > > specified the NIS domain.  I set the root password and created an
> > > account on the RH machine that didn't conflict with any 
> NIS account
> > > name.
> > 
> > This is the problem with the long delay during the post-install.
> 
> OK -- thanks -- I got that from your reply to my first message.  Sure
> was a LONG delay for a timeout, though! :-)

It certainly is!  I replaced the Adduser graphic that displays during
install with a note saying that there will be 5-10 min. delays if a user is
added during installation.

> 
> > 
> > > When I rebooted, I couldn't login as myself or as root.  
> I then did
> > > a single-user login from grub, did a pwunconv and just out of 
> > > superstition,
> > > I redid the passwds for myself and root.  Reboot -- still broken.
> > > 
> > > 
> > > I checked what NIS things were set to run and only found 
> > > ypbind -- three
> > > others were not enabled.
> > 
> > Three others?  Which ones?
> 
> I just looked at anything in the startup files that had "yp" in it:
>    yppasswdd
>    ypserv
>    ypxfrd
> My fuzzy recollection says those are for NIS servers.

Right.  These are for running an NIS server.

> 
> > >  I turned off ypbind witch chkconfig, hoping
> > > that with no NIS, the local passwd file would work OK.  
> Checked that
> > > there was a passwd file and no shadow file.  Reboot --- 
> still broken.
> > > 
> > > OK --- looked in pam.d and figured I should get the NIS 
> stuff out of 
> > > system-auth.  Ran authconfig -- shut off shadow passwords and shut
> > > off NIS.  Reboot -- still broken -- can't login as myself or root.
> > 
> > Do you have the updates for NIS (IIRC pam/nfs-utils/ypbind)?
> > Try running authconfig again, and select md5/shadow.  
> Convert the passwd
> > file and see if that works.  When setting up NIS, I make an entry in
> > /etc/hosts for the name/IP of the NIS server in the 
> post-install.  I also
> > use shadow.
> 
> Well, I couldn't easily get the updates until I could log 
> into the machine
> and get it on the network.  :-)

Of course.

> I discovered that the 
> problem, at least
> with the non NIS part, was that PAM wasn't understanding my 
> >8-character
> passwords. 

This was in bugzilla, and fixed in an update.

> I had made an updates CD a while back, so I 
> updated the PAM and
> I now I can log in OK as myself or as root.

Good thing ;o)


> I'd rather use MD5 & shadow, but our Solaris NIS server 
> doesn't understand
> MD5 passwords, which is why I avoided them in the first 
> place.  I entered
> the IP of the NIS server and DNS resolves it anyhow, so I 
> wouldn't think
> I'd need it in the hosts file.  I guess I should also fix 
> nsswitch.conf to
> replace nisplus with nis, since our NIS master is not NIS+.  
> I'll update my
> "updates" CD and get all the updates installed before trying 
> to restore
> NIS.
> 
> I have some other weirdness to track down before worrying about NIS:
>   KDE complains about sound (no /dev/dsp); lspci -v says SCSI ctrlr
>       and sound both using IRQ5.
>   ping gives normal results if I ping by IP, but crazy results if I
>       ping by name. (posting another message about that one)
>   some kind of screensaver insists on starting up, but I can't find
>       the task; I don't have xscreensaver running and I did an 
>       'xset s off'.  This is a minor one, just curious

It sounds like you have your work cut out for you on this machine ;o)

Forrest

> 
> When I get back to the NIS, I'll try your other suggestions.
> 
>      pete
> 
> > Forrest
> >  
> 
> --
>         pete peterson
>         Teradyne, Inc.
>         7 Technology Park Drive
>         Westford, MA 01886-0033
> 
>         pete peterson teradyne com or petersonp genrad com
>         +1-978-589-7478 (Teradyne); +1-978-589-2088 (Closest FAX);
>         +1-978-589-7007 (Main Teradyne Westford FAX)
>  
>