ftp.ntua.gr:/debian/dists/sid/main/installer-armhf/20190410/images/hd-media/?C=N&O=D 
Icon  Name                                                    Last modified      Size  
[DIR] Parent Directory                                                             -   
[   ] vmlinuz                                                 10-Apr-2019 21:55  4.0M  
[   ] initrd.gz                                               10-Apr-2019 21:55   16M  
[   ] hd-media.tar.gz                                         10-Apr-2019 21:55   23M  
[   ] boot.scr                                                10-Apr-2019 21:55  1.5K  
[DIR] SD-card-images/                                         10-Apr-2019 21:55    -
Apache/2.2 Server at debian.noc.ntua.gr Port 80