ftp.ntua.gr:/debian/dists/sid/main/installer-armhf/20190623/images/hd-media/?C=S&O=A 
Icon  Name                                                    Last modified      Size  
[DIR] Parent Directory                                                             -   
[DIR] SD-card-images/                                         23-Jun-2019 22:53    -   
[   ] boot.scr                                                23-Jun-2019 22:53  1.5K  
[   ] vmlinuz                                                 23-Jun-2019 22:53  4.0M  
[   ] initrd.gz                                               23-Jun-2019 22:53   16M  
[   ] hd-media.tar.gz                                         23-Jun-2019 22:53   23M
Apache/2.2 Server at debian.noc.ntua.gr Port 80