ftp.ntua.gr:/ubuntu/dists/groovy/main/installer-i386/current/images/hd-media/?C=M&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] boot.img.gz                                      24-Apr-2020 16:58   27M  
[   ] initrd.gz                                        24-Apr-2020 16:58   17M  
[   ] vmlinuz                                          24-Apr-2020 16:58  9.9M
Apache/2.2 Server at ftp.ntua.gr Port 80