ftp.ntua.gr:/debian/dists/unstable/main/installer-amd64/20210731/images/hd-media/?C=N&O=A 
Icon  Name                                                         Last modified      Size  
[DIR] Parent Directory                                                                  -   
[   ] boot.img.gz                                                  31-Jul-2021 07:20   71M  
[DIR] gtk/                                                         31-Jul-2021 07:20    -   
[   ] initrd.gz                                                    31-Jul-2021 07:20   19M  
[   ] vmlinuz                                                      31-Jul-2021 07:20  6.5M
Apache/2.2 Server at debian.noc.ntua.gr Port 80