ftp.ntua.gr:/debian/dists/stretch/main/installer-arm64/20170615+deb9u9/images/device-tree/apm/?C=N&O=D 
Icon  Name                                                                           Last modified      Size  
[DIR] Parent Directory                                                                                    -   
[   ] apm-mustang.dtb                                                                12-Jul-2020 20:49   22K  
[   ] apm-merlin.dtb                                                                 12-Jul-2020 20:49   16K
Apache/2.2 Server at debian.noc.ntua.gr Port 80