ftp.ntua.gr:/debian/dists/sid/main/installer-armhf/20190118/images/netboot/?C=N&O=D 
Icon  Name                                                    Last modified      Size  
[DIR] Parent Directory                                                             -   
[   ] vmlinuz                                                 18-Jan-2019 22:43  4.0M  
[   ] tftpboot.scr                                            18-Jan-2019 22:43  796   
[   ] netboot.tar.gz                                          18-Jan-2019 22:43   29M  
[   ] mini.iso                                                18-Jan-2019 22:43   28M  
[   ] initrd.gz                                               18-Jan-2019 22:43   22M  
[DIR] gtk/                                                    18-Jan-2019 22:43    -   
[   ] boot.scr                                                18-Jan-2019 22:43  1.5K  
[DIR] SD-card-images/                                         18-Jan-2019 22:43    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80