ftp.ntua.gr:/debian/dists/stretch/main/installer-ppc64el/current/images/netboot/ 
Icon  Name                                                         Last modified      Size  
[DIR] Parent Directory                                                                  -   
[DIR] debian-installer/                                            12-Jul-2020 20:49    -   
[   ] mini.iso                                                     12-Jul-2020 20:49   41M  
[   ] netboot.tar.gz                                               12-Jul-2020 20:49   23M
Apache/2.2 Server at ftp.grnet.gr Port 80