Very Computer

> >How does linux (or maybe bash?) know which directories to look in for
> >library files when it loads up a program? On other systems it seems to be
> >done by setting the LD_LIBRARY_PATH enviroment variable but in linux this
> >has no effect. Surely I don't have to place new libraries in either /lib
> >or /usr/lib because these are the only ones it looks in and this can't be
> >changed?

> You can change the default locations where the loader looks for
> shared libraries by editing /etc/ld.so.conf and then running
> ldconfig. This is a system wide setting and will affect all
> users. Alternatively the LD_LIBRARY_PATH environment variable
> should work in the way you expected it to, though there
> are a couple of points to note. LD_LIBRARY_PATH is ignored
> for programs which are setuid or setgid. If your program
> is in aout format then the relevant environment variable
> is LD_AOUT_LIBRARY_PATH. Check the man page for ld.so
> (the dynamic linker) for details.

> Norman

>> LD_LIBRARY_PATH should work.  You can also edit /etc/ld.so.conf

>I think you also have to get the superuser to run ldconfig; see the man
>page.

>There's also a LD_RUN_PATH; I've not yet understood the difference.