ftp.ntua.gr:/debian/dists/unstable/main/installer-arm64/20191129/images/device-tree/cavium/?C=N&O=D 
Icon  Name                                                                     Last modified      Size  
[DIR] Parent Directory                                                                              -   
[   ] thunder2-99xx.dtb                                                        29-Nov-2019 09:50  2.6K  
[   ] thunder-88xx.dtb                                                         29-Nov-2019 09:50  6.4K
Apache/2.2 Server at ftp.grnet.gr Port 80