ftp.ntua.gr:/ubuntu/dists/bionic-updates/main/signed/linux-gke-5.4-amd64/ 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] 5.4.0-1040.42~18.04.1/                           15-Apr-2021 22:02    -   
[DIR] 5.4.0-1042.44~18.04.1/                           15-Apr-2021 20:29    -   
[DIR] 5.4.0-1043.45~18.04.1/                           12-May-2021 12:55    -   
[DIR] current/                                         12-May-2021 12:55    -
Apache/2.2 Server at ftp.ntua.gr Port 80