[NCLUG] power button & lid actoins in Debian Jessie.

[Quentin Hartman]

tpb! That's the package I couldn't remember the name of!

Q

On Wed, Sep 17, 2014 at 1:11 PM, Bob Proulx <bob at proulx.com> wrote:

> John Gilmore wrote:
> > An old one - IBM thinkpad T43.
>
> I love my T43.  And my T42 before it.  Although I upgraded to a T60 in
> order to use a SATA SSD.  (The T43 is IDE only.)  But everything
> worked great on the T42 and T43.
>
> > "pm-hibernate" can't do anything, needs to be "sudo pm-hibernate" So
> > usually I'll have to enter my password if I want to hibernate. Except
> > I found a work-around.
>
> To avoid needing a password tell sudo that you are allowed to run that
> command without a password.  It is your laptop.  You are the only user
> on the system, right?  If someone not you did grab your laptop
> keyboard and triggered sudo pm-hibernate you really wouldn't care.  No
> different than pressing Fn+hibernate.  And so there is no security
> problem with allowing it without a password from the command line.
>
> Create a /etc/sudoers.d/zz-local-sudoers file with:
>
>   ALL     ALL=(ALL) NOPASSWD: \
>         /usr/sbin/pm-hibernate, \
>         /usr/sbin/pm-suspend
>
> The above tells sudo that those commands can be used without a
> password.  It won't ask you for a password for those anymore.
>
> I suggest to create a file /etc/sudoers.d/zz-local-sudoers so that it
> doesn't modify the /etc/sudoers and local changes won't need to be
> merged in with future upgrades.  That file has been changing with
> every release recently and needing to merge is a pain.  And zz because
> you want it to sort last.  Last has higher priority than earlier and
> you want this last to ensure that it is not overridden by other rules.
>
> > As for which keys work how, I just did a little more testing, and:
> > xev shows XF86Launch1 ("access IBM"), XF86Suspend, XF86Display,
> XF86Screensaver.
> >
> > Volume buttons, power button, hibernate button, and search button
> > don't register in xev or syslog, and also don't do anything.
>
> Have you installed "tpb" (think pad buttons)?  If not install tpb.
> Add yourself to the nvram group.  Log out and back in again for the
> group change.  Then those buttons should work.
>
>   apt-get install tpb
>   less /usr/share/doc/tpb/README.Debian
>   adduser jag nvram
>   ...exit completely out...
>   ...log back in again...
>   id | grep --color nvram
>   ...verify that you are in the nvram group...
>
> That should enable the special ThinkPad keys.
>
> > I don't see the lid button with xev, and the first thing that shows up
> > in syslog on suspend is networkmanager saying it's suspending. (since
> > I've modified the acpi scripts to log when called, it's not them.)
>
> I configured these so many years ago that I have forgotten exactly how
> everything works now.  But for me the lid switch triggers an acpi
> event and action.  Look for those in /etc/acpi/*.  Personally I
> configured GNOME to do nothing on lid close.  I prefer it that way.
> Then I manually trigger sleep and hibernate explicitly when I want it
> to sleep or hibernate.  Others like different things.
>
> > In console mode, hibernate and suspend keys work! Yay! Immediate
> > problem resolved, I can just switch to console before hibernating.
>
> Yay!  A good workaround.
>
> Bob
> _______________________________________________
> NCLUG mailing list       NCLUG at lists.nclug.org
>
> To unsubscribe, subscribe, or modify
> your settings, go to:
> http://lists.nclug.org/mailman/listinfo/nclug
>