Re: start-stop-daemon with chroot ?

[supermega <tomekgruca@gmail.com>]

On 11 Lip, 09:30, Sven Joachim <svenj...@gmx.de> wrote:
> Hello supermega,
>
> do you also have a real name?
>
> On 2008-07-11 03:59 +0200, supermega wrote:
>
> > I'd like to use start-stop-daemon with chroot option, but I get a
> > strange error. A test:
> > # start-stop-daemon --start --chroot /bin --exec ls
> > start-stop-daemon: Unable to start ls: No such file or directory (No
> > such file or directory)
>
> > I should work, shouldn't it?
>
> No, this cannot work.  At least not if /bin/ls is the standard file from
> the coreutils package.
>
> > When I run this:
> > # start-stop-daemon --start --chroot /bin --exec inexistant_file
> > The error is different:
> > start-stop-daemon: stat /bin/inexistant_file: No such file or
> > directory (No such file or directory)
>
> > Why the first command doesn't work?
>
> Because /bin/ls is dynamically linked, but no linker or shared libraries
> exist in the chroot.  The error you see is described in execve(2):
>
>         ENOENT
>                 The file filename or a  script or ELF interpreter does not exist,
>                 or  a shared  library needed  for file  or interpreter  cannot be
>                 found.
>
> Running a statically linked program should work (can't try right now
> because I don't have one installed).
>
> Sven
>
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Thanks! Now I copied some libs and it works :)