Subject: Re: [vserver] Problem with sudo inside Squeeze Guest
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Wed, 18 Jul 2012 20:36:35 +0200

On Tue, Jul 17, 2012 at 04:03:56PM +0200, Markus Fischer wrote:
> Hi,

> I've a few machines where I'm running Squeeze as guests and
> ever since the upgrade to Squeeze or fresh installation of it,
> sudo does not work as expected: I always have to enter the
> password. Every time. If you don't mind, I've added a more
> detailed explanation over at serverfault.com .

> I see this problem on machines with older Debian Lenny machines
> as well as Squeeze on the host system too:

> Versions:
>                    Kernel: 2.6.32-5-vserver-686
>                    VS-API: 0x00020305
>              util-vserver: 0.30.215; Jun 18 2010, 15:28:40

0.30.215 is too old to work with that kernel, but probably
the version number is just a fictional one as typical for
debian ....

> Features:
>                        CC: gcc, gcc (Debian 4.4.4-5) 4.4.4
>                       CXX: g++, g++ (Debian 4.4.4-5) 4.4.4
>                  CPPFLAGS: ''
>                    CFLAGS: '-Wall -g  -O2 -std=c99 -Wall -pedantic -W
> -funit-at-a-time'
>                  CXXFLAGS: '-g -O2 -ansi -Wall -pedantic -W
> -fmessage-length=0 -funit-at-a-time'
>                build/host: i486-pc-linux-gnu/i486-pc-linux-gnu
>              Use dietlibc: yes
>        Build C++ programs: yes
>        Build C99 programs: yes
>            Available APIs: v13,net,v21,v22,v23,netv2
>             ext2fs Source: e2fsprogs
>     syscall(2) invocation: alternative
>       vserver(2) syscall#: 273/glibc
>                crypto api: nss
>           python bindings: no
>    use library versioning: yes

> Paths:
>                    prefix: /usr
>         sysconf-Directory: /etc
>             cfg-Directory: /etc/vservers
>          initrd-Directory: $(sysconfdir)/init.d
>        pkgstate-Directory: /var/run/vservers
>           vserver-Rootdir: /var/lib/vservers

> thanks,
> - Markus

> [1]
> http://serverfault.com/questions/406010/sudo-in-debian-squeeze-inside-linux-vserver-always-wants-password

definitiely missing an strace -fF on that command and/or
debug output on the sudo in question.

best,
Herbert