ftp.ntua.gr:/debian/dists/sid/main/installer-armhf/20210415/images/netboot/gtk/?C=S&O=D 
Icon  Name                                                            Last modified      Size  
[DIR] Parent Directory                                                                     -   
[   ] initrd.gz                                                       15-Apr-2021 01:06   37M  
[   ] vmlinuz                                                         15-Apr-2021 01:06  4.7M
Apache/2.2 Server at debian.noc.ntua.gr Port 80