mount a directory in another directory (ln -s replacement that works inside chroot)

To allow access to other directory/file from apachee/ftp chroot where ln -s dosent work use :

 

mount --bind olddir newdir

 

from mount man :

Since Linux 2.4.0 it is possible to remount part of the file hierarchy somewhere else. The call is
              mount --bind olddir newdir
       After this call the same contents is accessible in two places.  One can also remount a single file (on a single file).