ftp.ntua.gr:/ubuntu/dists/focal-updates/main/signed/linux-gkeop-amd64/?C=N&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] 5.4.0-1013.14/                                   14-Apr-2021 17:41    -   
[DIR] 5.4.0-1014.15/                                   15-Apr-2021 20:25    -   
[DIR] 5.4.0-1015.16/                                   12-May-2021 12:20    -   
[DIR] current/                                         12-May-2021 12:20    -
Apache/2.2 Server at ftp.ntua.gr Port 80