ftp.ntua.gr:/debian/dists/unstable/main/installer-armhf/20190702/images/netboot/?C=N&O=D 
Icon  Name                                                         Last modified      Size  
[DIR] Parent Directory                                                                  -   
[   ] vmlinuz                                                      02-Jul-2019 01:39  4.0M  
[   ] tftpboot.scr                                                 02-Jul-2019 01:39  796   
[   ] netboot.tar.gz                                               02-Jul-2019 01:39   29M  
[   ] mini.iso                                                     02-Jul-2019 01:39   28M  
[   ] initrd.gz                                                    02-Jul-2019 01:39   22M  
[DIR] gtk/                                                         02-Jul-2019 01:39    -   
[   ] boot.scr                                                     02-Jul-2019 01:39  1.5K  
[DIR] SD-card-images/                                              02-Jul-2019 01:39    -
Apache/2.2 Server at ftp.ntua.gr Port 80