On Sunday 17 November 2019 11:05:36 to...@tuxteam.de wrote: > On Sun, Nov 17, 2019 at 10:07:23AM -0500, Gene Heskett wrote: > > On Sunday 17 November 2019 09:59:52 Nicolas George wrote: > > > Gene Heskett (12019-11-17): > > > > i have a similar situation with heyu, which runs as a normal > > > > user. But udev insists all the ttyUSB# ports are root:root, so > > > > I've put a couple lines in my rc.local for the last decade or so > > > > to make me own > > > > > > You could have read the doc for udev instead of wasting your time > > > on a fragile solution. > > > > > > Regards, > > > > The docs for udev are too paranoid to show one how, and the next > > package upgrade undoes your work anyway so why bother. > > Sorry, but man 7 udev seems pretty clear to me. A bit terse, yes, but > complete and useful enough whenSomething like > > KERNEL=="ttyUSB0", MODE="0660", GROUP="dialout", > I am and always have been a member of group dialout. Didn't work.
> should roughly do (perhaps DEVPATH instead of KERNEL -- whatever > floats your boat). Go have a look into > > /lib/udev/rules.d/80-debian-compat.rules included here to show lack of clarity: # Debian specific udev rules for backwards compatibility # needed for old tape drivers, http://bugs.debian.org/657948 SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST!="[module/sg]", RUN{builtin}+="kmod load sg" # device permissions KERNEL=="mISDNtimer", GROUP="dialout" KERNEL=="mwave", GROUP="dialout" KERNEL=="nvram", GROUP="kmem", MODE="0640" KERNEL=="pktcdvd", GROUP="cdrom", MODE="0644" KERNEL=="lirc[0-9]*", GROUP="video" KERNEL=="legousbtower*", MODE="0666" KERNEL=="sonypi", MODE="0666" KERNEL=="mmtimer", MODE="0644" KERNEL=="sgi_*", MODE="0666" KERNEL=="z90crypt", MODE="0666" # These rules will create symlinks for CD/DVD drives, to help old # programs which are unable to automatically discover the devices. # The first detected device gets the symlink, but this is not stable across # reboots. ENV{ID_CDROM_CD_RW}=="?*", \ PROGRAM="/bin/sh -c 'ln -s %k /run/udev/link.cdrw 2>/dev/null; [ `readlink /run/udev/link.cdrw` = %k ]", \ SYMLINK+="cdrw", OPTIONS+="link_priority=-100" ENV{ID_CDROM_DVD}=="?*", \ PROGRAM="/bin/sh -c 'ln -s %k /run/udev/link.dvd 2>/dev/null; [ `readlink /run/udev/link.dvd` = %k ]", \ SYMLINK+="dvd", OPTIONS+="link_priority=-100" ENV{ID_CDROM_DVD_RW}=="?*", \ PROGRAM="/bin/sh -c 'ln -s %k /run/udev/link.dvdrw 2>/dev/null; [ `readlink /run/udev/link.dvdrw` = %k ]", \ SYMLINK+="dvdrw", OPTIONS+="link_priority=-100" Doesn't appear to be complete, I see no mentions of the ttyUSB# family of devices,and no suggestions as to how to edit it. So I reasoned that by the time it got to rc.local, udev would have gone away and as rc.local runs with root privs, I could do what needed to be done in rc.local, so I did and its worked for yonks. And since heyu is not officially in the repos due to a licencing incompatibility, the only place to ask for help is heyu. Shrug, its your OS, but its my machine. > to get an idea of how to set permissions on special device files. > > And oh, the standard convention here is to use some special group > for a device file and to add those users supposed to much around > with that device to said group (e.g. "dialout", "cdrom", you name > it -- Debian comes with a bunch of those). Then you can set the > device to 0660, not 0666. > > But those are just advises. It's your box. That it is. ;-) Thanks Tomas. > Cheers > -- t 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) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene>
