ftp.ntua.gr:/debian/dists/sid/main/installer-armhf/20210606/images/netboot/?C=N&O=D 
Icon  Name                                                    Last modified      Size  
[DIR] Parent Directory                                                             -   
[   ] vmlinuz                                                 06-Jun-2021 14:48  4.7M  
[   ] tftpboot.scr                                            06-Jun-2021 14:48  796   
[   ] netboot.tar.gz                                          06-Jun-2021 14:48   31M  
[   ] mini.iso                                                06-Jun-2021 14:48   85M  
[   ] initrd.gz                                               06-Jun-2021 14:48   22M  
[DIR] gtk/                                                    06-Jun-2021 14:48    -   
[   ] boot.scr                                                06-Jun-2021 14:48  1.5K  
[DIR] SD-card-images/                                         06-Jun-2021 14:48    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80