ftp.ntua.gr:/debian/dists/unstable/main/installer-ppc64el/20191129/images/netboot/?C=N&O=A 
Icon  Name                                                           Last modified      Size  
[DIR] Parent Directory                                                                    -   
[DIR] debian-installer/                                              29-Nov-2019 09:50    -   
[   ] mini.iso                                                       29-Nov-2019 09:50   49M  
[   ] netboot.tar.gz                                                 29-Nov-2019 09:50   29M
Apache/2.2 Server at ftp.grnet.gr Port 80