ftp.ntua.gr:/debian/dists/unstable/main/installer-arm64/20210415/images/netboot/debian-installer/arm64/grub/ 
Icon  Name                                                                                        Last modified      Size  
[DIR] Parent Directory                                                                                                 -   
[DIR] arm64-efi/                                                                                  15-Apr-2021 01:06    -   
[   ] font.pf2                                                                                    19-Mar-2021 12:41  4.9K  
[   ] grub.cfg                                                                                    15-Apr-2021 01:06   14K
Apache/2.2 Server at ftp.grnet.gr Port 80