9fans - fans of the OS Plan 9 from Bell Labs
 help / color / mirror / Atom feed
From: G. David Butler gdb@dbSystems.com
Subject: user ID of adm
Date: Tue, 31 Oct 1995 07:05:27 -0500	[thread overview]
Message-ID: <19951031120527.fbWyykVyuRDJ5F-eiBoNRDWcaSSDNrwf1XLco3-9QyQ@z> (raw)

Scott Schwartz <schwartz@galapagos.cse.psu.edu> writes:
>Kenji Okamoto <okamoto@earth.cias.osakafu-u.ac.jp> writes:
>| In my system, the user ID of adm is '-1', but none ocuupies UID of 0.
>| Although I'm sure I did something wrong, I cannot login as adm user now.
>| Does anyone can advise what's wrong with my system?
>
>On the contrary, it sounds like authentication is now working
>properly.  0 doesn't mean root---there is no such thing in plan9.  It
>is intended that no user can authenticate as adm, just the console of
>the fileserver.

Yes, but have you ever tried to create a file owned by uid adm?  At the
fs console use fs(8) "create file adm adm 664" says invalid uid!  

According to the docs, a negative id simply means that the file server
will not allow anybody to authenicate to that id.  So the only way to
create such a file is from the fs console, but as above, you can't.






             reply	other threads:[~1995-10-31 12:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1995-10-31 12:05 G.David [this message]
  -- strict thread matches above, loose matches on Subject: below --
1995-11-01  8:35 Kenji
1995-10-31 16:57 philw
1995-10-31 13:44 Ishwar
1995-10-31  4:54 Scott
1995-10-31  4:30 Kenji

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=19951031120527.fbWyykVyuRDJ5F-eiBoNRDWcaSSDNrwf1XLco3-9QyQ@z \
    --to=9fans@9fans.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).