ftp.ntua.gr:/debian/dists/bullseye/main/installer-armhf/20210731+deb11u3/images/netboot/gtk/?C=N&O=D 
Icon  Name                                                                         Last modified      Size  
[DIR] Parent Directory                                                                                  -   
[   ] vmlinuz                                                                      22-Mar-2022 19:37  4.7M  
[   ] initrd.gz                                                                    22-Mar-2022 19:37   37M
Apache/2.2 Server at debian.noc.ntua.gr Port 80