On Tue, Mar 04, 2008 at 02:30:27PM +0100, Han Boetes wrote:
> Raimo Niskanen wrote:
> > I am writing a script that would be nice to be able to run
> > with only the root partition mounted, and it works fine
> > except that I find no way to read .gz compressed
> > files without e.g /usr/bin/zcat.
>
> You can do it with something like this in single user mode:
>
> # mount /usr
> # cd /usr/src/usr.bin/compress
> # make LDSTATIC=-static
> # cp compress /root/compress_static
> # make clean
> # umount /usr
> # mkdir /usr/bin
> # mv /root/compress_static /usr/bin/zcat
>
> As soon as you mount the /usr partition the contents of /usr will
> be hidden.
That is nice.
Another alternative would be to copy what ldd says:
/usr/bin/zcat
/usr/lib/libz.so*
/usr/lib/libc.so*
/usr/libexec/ld.so*
to my mount point /usr from the partition that
is supposed to be mounted there.
>
> > So my questions are: is there a program in /sbin:/bin
> > that can decompress .gz compressed files? Or should
> > there be? Would it not be nice to be able to untar
> > e.g base43.tgz from single user mode without having
> > to mount /usr?
>
> basexx.tgz will unpack files in /usr which is not mounted. So all
> files will end up on the wrong partition.
>
Only if current working directory is /.
I will only extract ./usr/mdec and not to /.
>
>
> # Han
--
/ Raimo Niskanen, Erlang/OTP, Ericsson AB
