Work's for me. Thank you very much for your help. Il giorno giovedì 23 maggio 2019 15:01:53 UTC+2, Robert Heller ha scritto: > > At Wed, 22 May 2019 23:16:22 -0700 (PDT) [email protected] > <javascript:> wrote: > > > > > > > > > Thanks to all of the answers. > > Yes I have to work on the GPIOs, but I'm a newbie on linux and > beaglebone, > > could you explain me how to do join GPIO group? > > Thank you. > > > > You use the command line tool "usermod" (don't forget the '-a'!!): > > sudo usermod -a -G gpio username > > The various groups you might want to add: > > gpio -- this is the group for accessing GPIO lines (/sys/class/gpio/ > and > /sys/class/pwm/) > i2c -- this is the group for acccessing i2c devices (/dev/i2c-*) > spi -- this is the group for accessing SPI devices (/dev/spidev*) > dialout -- this is the group for accessing tty devices (/dev/tty*) > > > > > > > Il giorno giovedì 23 maggio 2019 07:37:58 UTC+2, Robert Heller ha > scritto: > > > > > > At Thu, 23 May 2019 00:58:44 -0400 [email protected] > <javascript:> > > > wrote: > > > > > > > > > > > On Wed, 22 May 2019 14:11:39 -0700 (PDT), "Mark A. Yoder" > > > > <[email protected] <javascript:>> declaimed the > > > > following: > > > > > > > > >If you run > > > > > > > > > >*sudo visudo* > > > > > > > > > >The add the following to the end. > > > > > > > > > >debian ALL=(ALL) NOPASSWD: /path/to/command/to/start.sh > > > > > > > > > > > > > > >you can use *sudo* without giving a password. I think then your > > > ExecStart > > > > >can be > > > > > > > > > >ExecStart=sudo /usr/bin/scriptname.s > > > > > > > > > > > > > Why does all this seem to be a potential security leak? <G> > > > > > > > > What is wrong with adding an entry in root's crontab using > the > > > @reboot > > > > specification for when to run the job? > > > > > > > > A Raspberry-Pi example, but should carry over to Beaglebone > just > > > as > > > > well. > > > > > > > > https://www.raspberrypi-spy.co.uk/2013/07/running-a-python-script-at-boot-using-cron/ > > > > > > > It also begs the question: why is root access needed, *exactly*. If > you > > > are > > > using GPIO, you just need to be in the GPIO group. > > > > > > > > > -- > > > Robert Heller -- 978-544-6933 > > > Deepwoods Software -- Custom Software Services > > > http://www.deepsoft.com/ -- Linux Administration Services > > > [email protected] <javascript:> -- Webhosting Services > > > > > > > > > > -- > Robert Heller -- 978-544-6933 > Deepwoods Software -- Custom Software Services > http://www.deepsoft.com/ -- Linux Administration Services > [email protected] <javascript:> -- Webhosting Services > > >
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