# Updated Synology DS720+ to DSM 7.2.1-69057 and traditionally USB support for my skyconnect dongle used in homeassistant on docker is gone. Here is how to put it back: wget https://github.com/robertklep/dsm7-usb-serial-drivers/archive/refs/heads/main.zip 7z x main.zip cp dsm7-usb-serial-drivers-main/modules/geminilake/dsm-7.2/* /lib/modules cp dsm7-usb-serial-drivers-main/usb-serial-drivers.sh /usr/local/etc/rc.d/ chmod +x /usr/local/etc/rc.d/usb-serial-drivers.sh /usr/local/etc/rc.d/usb-serial-drivers.sh start ls -la /dev/ttyU* udevadm info -q -n /dev/ttyUSB0 | grep MAJOR udevadm info -q property -n /dev/ttyUSB0 | grep MAJOR # commands with output from my console: root@KashubNAS:/volume1/docker/_usbDrivers/20231116# wget https://github.com/robertklep/dsm7-usb-serial-drivers/archive/refs/heads/main.zip --2023-11-16 08:25:21-- https://github.com/robertklep/dsm7-usb-serial-drivers/archive/refs/heads/main.zip Resolving github.com... 140.82.121.4 Connecting to github.com|140.82.121.4|:443... connected. HTTP request sent, awaiting response... 302 Found Location: https://codeload.github.com/robertklep/dsm7-usb-serial-drivers/zip/refs/heads/main [following] --2023-11-16 08:25:26-- https://codeload.github.com/robertklep/dsm7-usb-serial-drivers/zip/refs/heads/main Resolving codeload.github.com... 140.82.121.10 Connecting to codeload.github.com|140.82.121.10|:443... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [application/zip] Saving to: 'main.zip' main.zip [ <=> ] 20.96M 6.49MB/s in 3.2s 2023-11-16 08:25:30 (6.49 MB/s) - 'main.zip' saved [21976675] root@KashubNAS:/volume1/docker/_usbDrivers/20231116# 7z x main.zip 7-Zip [64] 16.02 : Copyright (c) 1999-2016 Igor Pavlov : 2016-05-21 p7zip Version 16.02 (locale=en_US.utf8,Utf16=on,HugeFiles=on,64 bits,4 CPUs x64) Scanning the drive for archives: 1 file, 21976675 bytes (21 MiB) Extracting archive: main.zip -- Path = main.zip Type = zip Physical Size = 21976675 Comment = 45512d24526dac76f805f0ae7984d0eb279dfb45 Everything is Ok Folders: 97 Files: 291 Size: 66200486 Compressed: 21976675 root@KashubNAS:/volume1/docker/_usbDrivers/20231116# cp dsm7-usb-serial-drivers-main/modules/geminilake/dsm-7.2/* /lib/modules root@KashubNAS:/volume1/docker/_usbDrivers/20231116# cp dsm7-usb-serial-drivers-main/usb-serial-drivers.sh /usr/local/etc/rc.d/ root@KashubNAS:/volume1/docker/_usbDrivers/20231116# chmod +x /usr/local/etc/rc.d/usb-serial-drivers.sh root@KashubNAS:/volume1/docker/_usbDrivers/20231116# ls -la /dev/ttyU* ls: cannot access '/dev/ttyU*': No such file or directory root@KashubNAS:/volume1/docker/_usbDrivers/20231116# /usr/local/etc/rc.d/usb-serial-drivers.sh start root@KashubNAS:/volume1/docker/_usbDrivers/20231116# ls -la /dev/ttyU* crw------- 1 root root 188, 0 Nov 16 08:29 /dev/ttyUSB0 root@KashubNAS:/volume1/docker/_usbDrivers/20231116# udevadm info -q property -n /dev/ttyUSB0 | grep MAJOR MAJOR=188