ftp.ntua.gr:/ubuntu/dists/focal/main/installer-amd64/20101020ubuntu613/legacy-images/netboot/?C=D&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] boot.img.gz                                      19-Apr-2020 22:33   59M  
[   ] ldlinux.c32                                      19-Apr-2020 22:33  118K  
[   ] mini.iso                                         19-Apr-2020 22:33   74M  
[   ] netboot.tar.gz                                   19-Apr-2020 22:33   58M  
[   ] pxelinux.0                                       19-Apr-2020 22:33   42K  
[DIR] pxelinux.cfg/                                    19-Apr-2020 22:33    -   
[DIR] ubuntu-installer/                                19-Apr-2020 22:33    -   
[DIR] xen/                                             19-Apr-2020 22:33    -
Apache/2.2 Server at ftp.ntua.gr Port 80