ftp.ntua.gr:/debian/dists/unstable/main/installer-arm64/20190623/images/netboot/?C=S&O=A 
Icon  Name                                                         Last modified      Size  
[DIR] Parent Directory                                                                  -   
[DIR] SD-card-images/                                              23-Jun-2019 22:53    -   
[DIR] debian-installer/                                            23-Jun-2019 22:53    -   
[   ] netboot.tar.gz                                               23-Jun-2019 22:53   34M  
[   ] mini.iso                                                     23-Jun-2019 22:53   49M
Apache/2.2 Server at ftp.grnet.gr Port 80