ftp.ntua.gr:/debian/dists/stretch/main/installer-arm64/20170615/images/device-tree/hisilicon/?C=N&O=A 
Icon  Name                                                                    Last modified      Size  
[DIR] Parent Directory                                                                             -   
[   ] hi6220-hikey.dtb                                                        15-Jun-2017 11:34   31K  
[   ] hip05-d02.dtb                                                           15-Jun-2017 11:34  7.2K  
[   ] hip06-d03.dtb                                                           15-Jun-2017 11:34   15K
Apache/2.2 Server at debian.noc.ntua.gr Port 80