Re: Restoring users
On 4/29/05, Laurent CARON <lcaron@apartia.fr> wrote:
> Alexander Toresson a écrit :
>
> >I got a tip from a linux security freak that to increase the security
> >of my box, I should delete all unnessecary users and groups. I did
> >that, however, I seem to have deleted a little too much.
> >
> >exim4-config complains that user uucp does not exist and thus doesn't
> >configure itself, and this makes bunch of other packages not configure
> >themselves.
> >
> >I've tried using adduser --system to add it again, but it gives this
> error:
> >useradd: unable to open password file
> >adduser: `/usr/sbin/useradd -d /home/uucp -g nogroup -s /bin/false -u
> >106 uucp' returned error code 1. Aborting.
> >
> >I've doing tried doing dpkg-reconfigure base-passwd, but that gives
> >the following output:
> >
> >update-passwd has found some differences between your system accounts
> >and the current Debian defaults. It is advisable to allow update-passwd
> >to change your system; without those changes some packages might not work
> >correctly. For more documentation on the Debian account policies please
> >see /usr/share/doc/base-passwd/README.
> >
> >The list of proposed changes is:
> >
> >Adding group "uucp" (10)
> >Adding group "proxy" (13)
> >Adding group "fax" (21)
> >Adding group "tape" (26)
> >Adding group "dip" (30)
> >Adding group "operator" (37)
> >Adding user "sync" (4)
> >Adding user "uucp" (10)
> >Adding user "proxy" (13)
> >Adding user "nobody" (65534)
> >Would commit 10 changes
> >
> >It is highly recommended that you allow update-passwd to make these
> changes
> >(a backup file of modified files is made with the extension .org so you
> can
> >always restore the current settings).
> >
> >May I update your system? [Y/n] Y
> >Okay, I am going to make the necessary updates now
> >Adding group "uucp" (10)
> >Adding group "proxy" (13)
> >Adding group "fax" (21)
> >Adding group "tape" (26)
> >Adding group "dip" (30)
> >Adding group "operator" (37)
> >Adding user "sync" (4)
> >Adding user "uucp" (10)
> >Adding user "proxy" (13)
> >Adding user "nobody" (65534)
> >10 changes have been made, rewriting files
> >Writing passwd-file to /etc/passwd
> >Error making backupfile /etc/passwd.org: Operation not permitted
> >
> >How can it not have access to write to that file? I run as root!
> >
> >Regards, Alexander Toresson
> >
> >
> >
> error on FS
>
> FS mounted read only
>
> ....?
>
Nope, it's read write. And fsck reports no errors. And I can create
easily create that file myself without any problem. And I don't get
anything written in syslog/klog.
Regards, Alexander Toresson
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