Jason <elect...@emypeople.net> writes: > What is the best way to power cycle or reset a USB port? I need to do > this to reset a USB modem if it stops responding. The system in > question is Debian 10 aarch64 on RockPi 4b+.
As far as I know, power cycling is not usually a function of USB. For resetting, in my case a stupid mouse that doesn't come back after sleep, I've used resetusb from https://github.com/mcarans/resetusb/ It has a convenient search function so I can just tell it to search for my mouse by name instead of me having to fiddle with bus and device numbers. There's some discussion and alternative programs at https://askubuntu.com/questions/645/how-do-you-reset-a-usb-device-from-the-command-line
