ftp.ntua.gr:/ubuntu/dists/bionic-security/main/signed/linux-gke-4.15-amd64/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[DIR] current/                                         24-Feb-2021 12:58    -   
[DIR] 4.15.0-1079.84/                                  24-Feb-2021 12:58    -   
[DIR] 4.15.0-1078.83/                                  03-Feb-2021 12:48    -   
[DIR] 4.15.0-1077.82/                                  05-Jan-2021 13:44    -
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