On Thursday, 2 June 2022 04:08:45 EDT Anssi Saari wrote: > gene heskett <ghesk...@shentel.net> writes: > > Do I have to reset those perms everytime I'm forced to reboot, which > > is usually in 5 to 10 days. Or is there someplace in > > /lib/udev/rules.d where I can fix this until the next udev update? > > It seems almost certain the permissions for /dev/ttyUSB* won't stick, > unless you fix them with udev rules (or some other means but udev's the > tool for the job in my opinion). > > Do you really want to set all ttyUSB* to 777? Not 666 or 660 for > example? The usual way is to apply a udev rule to a specific USB > product and vendor ID which you can get from lsusb. But to change > permissions on device files I think you can do > > KERNEL=="ttyUSB*", MODE="0777" > > in a udev rule file.
/dev/ttyUSB* seems to only apply to seriel adapters, which I have two of. One driving a cm11a interface to talk to C10 stuff, and one driving a ups. Thank you Anssi. Take care and stay well. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis
