> cp <source> <target>
>
>With the -o flag we get
>
> mv -f <target> <OLDtarget>
> cp <OLDtarget> <target>
> ...
> cp <source> <target>
>
>So it preserves the original, but leaves a window when there is no
><target>, and another window where there is a copy of the old version
>(which puts us back to square one with libc, because the second cp will
>overwrite the libc it is using).
Use "ln";
cp /path/to/new/libc.so.1 /lib/libc.so.1.new
cd /lib
ln libc.so.1 libc.so.1.old
ln -f libc.so.1.new libc.so.1
Also, don't use LD_PRELOAD if you want to load a different libc; use
LD_LIBRARY_PATH.
Casper
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