[xubuntu-users] restarting window server or possibly usb service remotely

[Petter Adsen]

On Sat, 7 May 2016 20:32:03 -0700
Dan Hitt <dan.hitt at gmail.com> wrote:

> Hi Xubunters,
> 
> I have an HDMI monitor attached to my xubuntu 16.04 system (running on
> a Dell Inspiron desktop box).  I type using a Happy Hacker usb
> keyboard (mac style).
> 
> Previously i was using ubuntu 15.10.
> 
> Occasionally after i lock the screen and come back after a few hours i
> cannot get it to respond.
> 
> The machine is alive, and i can ssh into from another host.
> 
> But wiggling the mouse and pressing keys leaves the monitor pitch
> black.
> 
> So it seems to me that either whatever service listens on usb is out
> for the count, or perhaps whatever controls the HDMI is.
> 
> I never had this problem with ubuntu so i'm guessing that it must be
> pure software.
> 
> Since i can get in remotely, i presume there's some service i can send
> a signal to make it restart, or at least something that i can inspect
> to see what's failing.
> 
> Thanks in advance for any info or advice or just what the likely
> culprits might be!

If you don't mind restarting your entire X session, you can try 'sudo
systemctl restart lightdm.service'. You could also try to kill the
screen locker process, I think Xfce uses light locker by default.

Petter

-- 
"I'm ionized"
"Are you sure?"
"I'm positive."