ftp.ntua.gr:/ubuntu/dists/focal/main/signed/linux-oem-amd64/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         18-Oct-2019 14:03    -   
[DIR] 4.15.0-1050.57/                                  18-Oct-2019 14:03    -
Apache/2.2 Server at ftp.ntua.gr Port 80