[ale] no root shell
Jerry Z. Yu
z.yu at voicecom.com
Mon Jul 8 16:25:47 EDT 2002
good news is: that gives me 'unknown id' error under stock Solaris
2.7/sparc.
-s switch is available in GNU 'su', only if the shell is allowed in
/etc/shells.
On Mon, 8 Jul 2002, Joseph A Knapka wrote:
#"James P. Kinney III" wrote:
#>
#> su -s /bin/sh should force the use of /bin/sh
#
#Perhaps, but it apparently does so by starting the default shell
#and then exec'ing the -s argument. (Actually if it were possible
#to get around using the shell specified in /etc/passwd, I think
#that would be a serious security hole - consider
#"su -s /bin/sh ftp" and similar).
#
#-- Joe
#
#> use your favorite
#>
#> On Mon, 2002-07-08 at 15:25, Joseph A Knapka wrote:
#> > "James P. Kinney III" wrote:
#> > >
#> > > You will need to reboot the box with an alternate boot device, i.e. toms
#> > > root boot disk is good. Once in, edit the passwd file to point to a real
#> > > shell.
#> > >
#> > > You might be able to edit it by su. Don't use su - as this will cause it
#> > > to try and use the params for root. Without it, it should use the same
#> > > environment as the original user but with an effective uid of 0.
#> >
#> > It does start a new shell though (I just tried it). So unless
#> > you have some user available with a valid shell and the
#> > ability to edit /etc/passwd, you are going to have to
#> > boot the machine some other way to fix this.
#> >
#> > -- Joe
#> >
#> > > On Mon, 2002-07-08 at 13:27, Mazukna, Thomas wrote:
#> > > > Hi,
#> > > >
#> > > > I have an issue on my hands.
#> > > > the shell specified in passwd for root does not exist.
#> > > > how to get into "root" ?
#> > > >
#> > > > thanks,
#> > > > Tomas
#> > > >
#> > > > ---
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#> > > James P. Kinney III \Changing the mobile computing world/
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#> > >
#> > > GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
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#> > "Thanks to Microsoft, I am now blind in both eyes. They have
#> > rolled back in my head so many times this week that they
#> > are apparently stuck there now."
#> > - Jonathan Rickman, regarding M$ anti-open-source PR.
#> >
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#> James P. Kinney III \Changing the mobile computing world/
#> President and CEO \ one Linux user /
#> Local Net Solutions,LLC \ at a time. /
#> 770-493-8244 \.___________________________./
#>
#> GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
#> <jkinney at localnetsolutions.com>
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#>
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#--
# "Thanks to Microsoft, I am now blind in both eyes. They have
# rolled back in my head so many times this week that they
# are apparently stuck there now."
# - Jonathan Rickman, regarding M$ anti-open-source PR.
#
#---
#This message has been sent through the ALE general discussion list.
#See http://www.ale.org/mailing-lists.shtml for more info. Problems should be
#sent to listmaster at ale dot org.
#
Jerry Z. Yu +1-404-487-8544 (O)
systems engineer z.yu at voicecom.com
is support, voicecom, llc www.voicecom.com
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