Looks like you posted this twice. Did you make a change to your sudoers file? If not, then have you tried changing to root via "sudo su -" ?
As far as the install issue, you need to run that with sudo when running as the debian user: Ex: *sudo apt-get install -y policykit-1-gnome* Cheers, Jon On Wed, Jul 22, 2020 at 10:59 AM jayasudhaa t.n <[email protected]> wrote: > when i execute sudo syscheck , > i get the following: > sudo: /etc/sudoers is world writable > sudo: no valid sudoers sources found, quitting > sudo: unable to initialize policy plugin > > tried resolving using bash pkexec: pkexec: command not found > > not able to install policy kit , i get error as below: > > debian@beaglebone:/etc$ apt-get install -y policykit-1-gnome. > E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: > Permission denied) > E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), > are you root? > > kindly help. very urgent. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/4241d5ce-fd8e-4f0a-a3dd-5144a92ab391o%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/4241d5ce-fd8e-4f0a-a3dd-5144a92ab391o%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAG99bkroWdSYX--g9hQwYikwQHDXZMLmtF%3DuT-4ZgD_8%3DsCDRw%40mail.gmail.com.
