Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-27 Thread Robert Moskowitz

I am back for a few days...

On 9/21/18 7:26 PM, Ed Greshko wrote:

On 9/21/18 11:14 PM, Robert Moskowitz wrote:


On 9/21/18 11:02 AM, Ed Greshko wrote:

On 9/21/18 9:14 PM, Robert Moskowitz wrote:

I have had this problem pre beta images.  This is the F29-armfhp code base.

I am running vnc server as a service.  I have edited the xstartup to have:

# exec /etc/X11/xinit/xinitrc
exec /bin/sh /etc/xdg/xfce4/xinitrc
xrdb $HOME/.Xresources
startxfce4 &

Note that currently, the is no .Xresources file.

I do not know why you're doing that.  But, I haven't.


When I connect to the system after a fresh boot or vncserver restart I get a 
dialog
with:

Error XFCE PolicyKit Agent

Ed Greshko reported on the Fedora list (as I thought this was a more general
VNC/Xfce error having nothing to do with the beta) that he does not get this 
error,
but he is NOT running vncserver as a service.  Rather from an SSH session.

I have configured by f28 system to run vncsever as a service and I see the error
you're reporting.

I believe I understand why the error is presented.

If you start the vncserver you'll see something like this

polkitd    706 1  0 22:31 ?    00:00:02 /usr/lib/polkit-1/polkitd 
--no-debug
egreshko  3527  3497  2 22:58 ?    00:00:00 /usr/libexec/xfce-polkit

running

When you make a vnc client connection, you get the error and then you'll see 
only

polkitd    706 1  0 22:31 ?    00:00:03 /usr/lib/polkit-1/polkitd 
--no-debug

running.  /usr/libexec/xfce-polkit has crashed.  Why?  I have no idea at 23:00.

My F28 install is right now doing its dnf update which will take a bit.  But I 
was
setting what starts at startup via Settings > Session and Startup

And I noticed that polkit is started there.  I bet if you turn that off, things 
MAY
get better.  Of course then console login will not have polkit.  So perhaps
vncserver should NOT be running polkit?



After a bit of testing and a bit of googling the answer is.

vncserver and polkit don't play nice when vncserver is started as a service as
described in /lib/systemd/system/vncserver@.service.  The issue is not
confined to Xfce.  The same basic problem exists when the spin used in KDE.

As mentioned elsewhere, if you ssh into the system and start vncserver manually 
then
everything works "normally" for the most part.

It seems nobody has done much to attempt to fix the problem from what I can 
tell.
That being said, a workaround is described
here
https://forums.fedoraforum.org/showthread.php?316905-PolicyKit-failed-over-headless-VNC=1809280#post1809280


That is a fairly nasty hack.


With the other alternative to be having your vnc client (remmina can do it) 
issue a
pre-command via ssh to start the vncserver manually.  Of course you'll
to have "authorized_keys" on the vncserver system side to make this seamless.



I guess it is time for a bug report.  Though I seem to recall a comment 
about a lack of activity on maintaining tiger-vncserver...


Perhaps it is time to look into the alternatives...

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Seems to be working - Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-27 Thread Robert Moskowitz

It seems to be working...

I kind of followed:

https://forums.fedoraforum.org/showthread.php?316905-PolicyKit-failed-over-headless-VNC=1809280#post1809280

They don't give all the steps for setting up the ssh connection, but I 
figured out a working set of steps.


Made my service file as they show and I am connected.  I only had the 
password prompt from the vnc client.  I inserted a USB drive and went to 
mount it.  Polkit prompted me for my password (I am in group wheel), and 
after I provided it, the drive is mounted.  Don't know what it might 
take if the user is not in wheel.


Now on to other testing.  And to write a bug report

What a MESS!

On 9/21/18 7:26 PM, Ed Greshko wrote:

On 9/21/18 11:14 PM, Robert Moskowitz wrote:


On 9/21/18 11:02 AM, Ed Greshko wrote:

On 9/21/18 9:14 PM, Robert Moskowitz wrote:

I have had this problem pre beta images.  This is the F29-armfhp code base.

I am running vnc server as a service.  I have edited the xstartup to have:

# exec /etc/X11/xinit/xinitrc
exec /bin/sh /etc/xdg/xfce4/xinitrc
xrdb $HOME/.Xresources
startxfce4 &

Note that currently, the is no .Xresources file.

I do not know why you're doing that.  But, I haven't.


When I connect to the system after a fresh boot or vncserver restart I get a 
dialog
with:

Error XFCE PolicyKit Agent

Ed Greshko reported on the Fedora list (as I thought this was a more general
VNC/Xfce error having nothing to do with the beta) that he does not get this 
error,
but he is NOT running vncserver as a service.  Rather from an SSH session.

I have configured by f28 system to run vncsever as a service and I see the error
you're reporting.

I believe I understand why the error is presented.

If you start the vncserver you'll see something like this

polkitd    706 1  0 22:31 ?    00:00:02 /usr/lib/polkit-1/polkitd 
--no-debug
egreshko  3527  3497  2 22:58 ?    00:00:00 /usr/libexec/xfce-polkit

running

When you make a vnc client connection, you get the error and then you'll see 
only

polkitd    706 1  0 22:31 ?    00:00:03 /usr/lib/polkit-1/polkitd 
--no-debug

running.  /usr/libexec/xfce-polkit has crashed.  Why?  I have no idea at 23:00.

My F28 install is right now doing its dnf update which will take a bit.  But I 
was
setting what starts at startup via Settings > Session and Startup

And I noticed that polkit is started there.  I bet if you turn that off, things 
MAY
get better.  Of course then console login will not have polkit.  So perhaps
vncserver should NOT be running polkit?



After a bit of testing and a bit of googling the answer is.

vncserver and polkit don't play nice when vncserver is started as a service as
described in /lib/systemd/system/vncserver@.service.  The issue is not
confined to Xfce.  The same basic problem exists when the spin used in KDE.

As mentioned elsewhere, if you ssh into the system and start vncserver manually 
then
everything works "normally" for the most part.

It seems nobody has done much to attempt to fix the problem from what I can 
tell.
That being said, a workaround is described
here
https://forums.fedoraforum.org/showthread.php?316905-PolicyKit-failed-over-headless-VNC=1809280#post1809280

With the other alternative to be having your vnc client (remmina can do it) 
issue a
pre-command via ssh to start the vncserver manually.  Of course you'll
to have "authorized_keys" on the vncserver system side to make this seamless.



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Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-22 Thread Ed Greshko
On 9/22/18 3:01 AM, Robert Moskowitz wrote:
> I can't get vncserver started on my F28-arm image: 

I never really looked into why, but the "fix" is to comment out the PID entry 
in the
vncserver.service entry.

-- 
Cardinal Rule of Presentations: "Tell them what you are going to tell them, tell
them, then tell them what you told them."



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Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-21 Thread Ed Greshko
On 9/21/18 11:14 PM, Robert Moskowitz wrote:
>
>
> On 9/21/18 11:02 AM, Ed Greshko wrote:
>> On 9/21/18 9:14 PM, Robert Moskowitz wrote:
>>> I have had this problem pre beta images.  This is the F29-armfhp code base.
>>>
>>> I am running vnc server as a service.  I have edited the xstartup to have:
>>>
>>> # exec /etc/X11/xinit/xinitrc
>>> exec /bin/sh /etc/xdg/xfce4/xinitrc
>>> xrdb $HOME/.Xresources
>>> startxfce4 &
>>>
>>> Note that currently, the is no .Xresources file.
>> I do not know why you're doing that.  But, I haven't.
>>
>>> When I connect to the system after a fresh boot or vncserver restart I get 
>>> a dialog
>>> with:
>>>
>>> Error XFCE PolicyKit Agent
>>>
>>> Ed Greshko reported on the Fedora list (as I thought this was a more general
>>> VNC/Xfce error having nothing to do with the beta) that he does not get 
>>> this error,
>>> but he is NOT running vncserver as a service.  Rather from an SSH session.
>> I have configured by f28 system to run vncsever as a service and I see the 
>> error
>> you're reporting.
>>
>> I believe I understand why the error is presented.
>>
>> If you start the vncserver you'll see something like this
>>
>> polkitd    706 1  0 22:31 ?    00:00:02 /usr/lib/polkit-1/polkitd 
>> --no-debug
>> egreshko  3527  3497  2 22:58 ?    00:00:00 /usr/libexec/xfce-polkit
>>
>> running
>>
>> When you make a vnc client connection, you get the error and then you'll see 
>> only
>>
>> polkitd    706 1  0 22:31 ?    00:00:03 /usr/lib/polkit-1/polkitd 
>> --no-debug
>>
>> running.  /usr/libexec/xfce-polkit has crashed.  Why?  I have no idea at 
>> 23:00.
>
> My F28 install is right now doing its dnf update which will take a bit.  But 
> I was
> setting what starts at startup via Settings > Session and Startup
>
> And I noticed that polkit is started there.  I bet if you turn that off, 
> things MAY
> get better.  Of course then console login will not have polkit.  So perhaps
> vncserver should NOT be running polkit?
>
>

After a bit of testing and a bit of googling the answer is.

vncserver and polkit don't play nice when vncserver is started as a service as
described in /lib/systemd/system/vncserver@.service.  The issue is not
confined to Xfce.  The same basic problem exists when the spin used in KDE.

As mentioned elsewhere, if you ssh into the system and start vncserver manually 
then
everything works "normally" for the most part.

It seems nobody has done much to attempt to fix the problem from what I can 
tell. 
That being said, a workaround is described
here
https://forums.fedoraforum.org/showthread.php?316905-PolicyKit-failed-over-headless-VNC=1809280#post1809280

With the other alternative to be having your vnc client (remmina can do it) 
issue a
pre-command via ssh to start the vncserver manually.  Of course you'll
to have "authorized_keys" on the vncserver system side to make this seamless.


-- 
Cardinal Rule of Presentations: "Tell them what you are going to tell them, tell
them, then tell them what you told them."



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Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-21 Thread Robert Moskowitz



On 9/21/18 11:02 AM, Ed Greshko wrote:

On 9/21/18 9:14 PM, Robert Moskowitz wrote:

I have had this problem pre beta images.  This is the F29-armfhp code base.

I am running vnc server as a service.  I have edited the xstartup to have:

# exec /etc/X11/xinit/xinitrc
exec /bin/sh /etc/xdg/xfce4/xinitrc
xrdb $HOME/.Xresources
startxfce4 &

Note that currently, the is no .Xresources file.

I do not know why you're doing that.  But, I haven't.


When I connect to the system after a fresh boot or vncserver restart I get a 
dialog
with:

Error XFCE PolicyKit Agent

Ed Greshko reported on the Fedora list (as I thought this was a more general
VNC/Xfce error having nothing to do with the beta) that he does not get this 
error,
but he is NOT running vncserver as a service.  Rather from an SSH session.

I have configured by f28 system to run vncsever as a service and I see the error
you're reporting.

I believe I understand why the error is presented.

If you start the vncserver you'll see something like this

polkitd    706 1  0 22:31 ?    00:00:02 /usr/lib/polkit-1/polkitd 
--no-debug
egreshko  3527  3497  2 22:58 ?    00:00:00 /usr/libexec/xfce-polkit

running

When you make a vnc client connection, you get the error and then you'll see 
only

polkitd    706 1  0 22:31 ?    00:00:03 /usr/lib/polkit-1/polkitd 
--no-debug

running.  /usr/libexec/xfce-polkit has crashed.  Why?  I have no idea at 23:00.


Since I could not get my F28 working for vnc login to Xfce, I went back 
to my F29 image.


I disabled polkit startup in the Xfce startup widget and rebooted.

Now I don't get the PolicyKit error, but no change in being able to 
mount an USB drive or unlock printer config to add a printer.


So I suspect that Polkit should be left on in Xfce, but get the xstartup 
right so it does not also run polkit.


Which gets back to an earlier thread:

We DON'T know how to run DE other than Gnome for vncserver.  It would be 
very nice for some guidance on this.


And with this, past time to shutdown.  Catch you later.

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Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-21 Thread Robert Moskowitz



On 9/21/18 11:02 AM, Ed Greshko wrote:

On 9/21/18 9:14 PM, Robert Moskowitz wrote:

I have had this problem pre beta images.  This is the F29-armfhp code base.

I am running vnc server as a service.  I have edited the xstartup to have:

# exec /etc/X11/xinit/xinitrc
exec /bin/sh /etc/xdg/xfce4/xinitrc
xrdb $HOME/.Xresources
startxfce4 &

Note that currently, the is no .Xresources file.

I do not know why you're doing that.  But, I haven't.


When I connect to the system after a fresh boot or vncserver restart I get a 
dialog
with:

Error XFCE PolicyKit Agent

Ed Greshko reported on the Fedora list (as I thought this was a more general
VNC/Xfce error having nothing to do with the beta) that he does not get this 
error,
but he is NOT running vncserver as a service.  Rather from an SSH session.

I have configured by f28 system to run vncsever as a service and I see the error
you're reporting.

I believe I understand why the error is presented.

If you start the vncserver you'll see something like this

polkitd    706 1  0 22:31 ?    00:00:02 /usr/lib/polkit-1/polkitd 
--no-debug
egreshko  3527  3497  2 22:58 ?    00:00:00 /usr/libexec/xfce-polkit

running

When you make a vnc client connection, you get the error and then you'll see 
only

polkitd    706 1  0 22:31 ?    00:00:03 /usr/lib/polkit-1/polkitd 
--no-debug

running.  /usr/libexec/xfce-polkit has crashed.  Why?  I have no idea at 23:00.


I can't get vncserver started on my F28-arm image:

# systemctl -l --no-pager status vncserver@:1
● vncserver@:1.service - Remote desktop service (VNC)
   Loaded: loaded (/etc/systemd/system/vncserver@:1.service; enabled; 
vendor preset: disabled)
   Active: failed (Result: timeout) since Fri 2018-09-21 14:56:31 EDT; 
2min 42s ago
  Process: 698 ExecStart=/usr/bin/vncserver -autokill :1 (code=exited, 
status=0/SUCCESS)
  Process: 639 ExecStartPre=/bin/sh -c /usr/bin/vncserver -kill :1 > 
/dev/null 2>&1 || : (code=exited, status=0/SUCCESS)


Sep 21 14:56:30 localhost com.redhat.imsettings[783]: [ 
1537556190.857400]: GLib-GIO[878]: WARNING **: Error releasing name 
com.redhat.imsettings: The connection is closed
Sep 21 14:56:30 localhost com.redhat.imsettings[783]: [ 
1537556190.862384]: GLib-GIO[878]: CRITICAL **: Error while sending 
AddMatch() message: The connection is closed
Sep 21 14:56:30 localhost com.redhat.imsettings[783]: [ 
1537556190.85]: GLib-GIO[878]: CRITICAL **: Error while sending 
AddMatch() message: The connection is closed
Sep 21 14:56:30 localhost com.redhat.imsettings[783]: [ 
1537556190.870845]: IMSettings-Daemon[878]: INFO: Unloading imesttings 
module: gsettings
Sep 21 14:56:30 localhost com.redhat.imsettings[783]: [ 
1537556190.875148]: IMSettings-Daemon[878]: INFO:   Stopping the main 
process for IBus [pid: 1145]
Sep 21 14:56:30 localhost com.redhat.imsettings[783]: [ 
1537556190.880760]: IMSettings-Daemon[878]: INFO: Sent a signal to stop 
/usr/bin/ibus-daemon [pid: 1145, time: 2018-09-21T18:56:30.880703Z]
Sep 21 14:56:30 localhost com.redhat.imsettings[783]: [ 
1537556190.883669]: IMSettings-Daemon[878]: INFO: imsettings-daemon is 
shut down.
Sep 21 14:56:30 localhost pulseaudio[1042]: PulseAudio information 
vanished from X11!
Sep 21 14:56:31 localhost systemd[1]: vncserver@:1.service: Failed with 
result 'timeout'.
Sep 21 14:56:31 localhost systemd[1]: Failed to start Remote desktop 
service (VNC).



How do I get it to not try and start pulseaudio?

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Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-21 Thread Robert Moskowitz



On 9/21/18 11:02 AM, Ed Greshko wrote:

On 9/21/18 9:14 PM, Robert Moskowitz wrote:

I have had this problem pre beta images.  This is the F29-armfhp code base.

I am running vnc server as a service.  I have edited the xstartup to have:

# exec /etc/X11/xinit/xinitrc
exec /bin/sh /etc/xdg/xfce4/xinitrc
xrdb $HOME/.Xresources
startxfce4 &

Note that currently, the is no .Xresources file.

I do not know why you're doing that.  But, I haven't.


When I connect to the system after a fresh boot or vncserver restart I get a 
dialog
with:

Error XFCE PolicyKit Agent

Ed Greshko reported on the Fedora list (as I thought this was a more general
VNC/Xfce error having nothing to do with the beta) that he does not get this 
error,
but he is NOT running vncserver as a service.  Rather from an SSH session.

I have configured by f28 system to run vncsever as a service and I see the error
you're reporting.

I believe I understand why the error is presented.

If you start the vncserver you'll see something like this

polkitd    706 1  0 22:31 ?    00:00:02 /usr/lib/polkit-1/polkitd 
--no-debug
egreshko  3527  3497  2 22:58 ?    00:00:00 /usr/libexec/xfce-polkit

running

When you make a vnc client connection, you get the error and then you'll see 
only

polkitd    706 1  0 22:31 ?    00:00:03 /usr/lib/polkit-1/polkitd 
--no-debug

running.  /usr/libexec/xfce-polkit has crashed.  Why?  I have no idea at 23:00.


My F28 install is right now doing its dnf update which will take a bit.  
But I was setting what starts at startup via Settings > Session and Startup


And I noticed that polkit is started there.  I bet if you turn that off, 
things MAY get better.  Of course then console login will not have 
polkit.  So perhaps vncserver should NOT be running polkit?


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Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-21 Thread Ed Greshko
On 9/21/18 9:14 PM, Robert Moskowitz wrote:
> I have had this problem pre beta images.  This is the F29-armfhp code base.
>
> I am running vnc server as a service.  I have edited the xstartup to have:
>
> # exec /etc/X11/xinit/xinitrc
> exec /bin/sh /etc/xdg/xfce4/xinitrc
> xrdb $HOME/.Xresources
> startxfce4 &
>
> Note that currently, the is no .Xresources file.

I do not know why you're doing that.  But, I haven't.

>
> When I connect to the system after a fresh boot or vncserver restart I get a 
> dialog
> with:
>
> Error XFCE PolicyKit Agent
>
> Ed Greshko reported on the Fedora list (as I thought this was a more general
> VNC/Xfce error having nothing to do with the beta) that he does not get this 
> error,
> but he is NOT running vncserver as a service.  Rather from an SSH session.

I have configured by f28 system to run vncsever as a service and I see the error
you're reporting.

I believe I understand why the error is presented.

If you start the vncserver you'll see something like this

polkitd    706 1  0 22:31 ?    00:00:02 /usr/lib/polkit-1/polkitd 
--no-debug
egreshko  3527  3497  2 22:58 ?    00:00:00 /usr/libexec/xfce-polkit

running

When you make a vnc client connection, you get the error and then you'll see 
only

polkitd    706 1  0 22:31 ?    00:00:03 /usr/lib/polkit-1/polkitd 
--no-debug

running.  /usr/libexec/xfce-polkit has crashed.  Why?  I have no idea at 23:00.


-- 
Cardinal Rule of Presentations: "Tell them what you are going to tell them, tell
them, then tell them what you told them."



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Re: F29-beta - Policykit Agent error VNC access to Xfce DE

2018-09-21 Thread Robert Moskowitz

More issues think are related to this:

I cannot mount a USB drive.
I cannot unlock Printer Settings to setup a printer.

So maybe eventhough task 934 is polkit, something is not running right?

On 9/21/18 9:14 AM, Robert Moskowitz wrote:
I have had this problem pre beta images.  This is the F29-armfhp code 
base.


I am running vnc server as a service.  I have edited the xstartup to 
have:


# exec /etc/X11/xinit/xinitrc
exec /bin/sh /etc/xdg/xfce4/xinitrc
xrdb $HOME/.Xresources
startxfce4 &

Note that currently, the is no .Xresources file.

When I connect to the system after a fresh boot or vncserver restart I 
get a dialog with:


Error XFCE PolicyKit Agent

Ed Greshko reported on the Fedora list (as I thought this was a more 
general VNC/Xfce error having nothing to do with the beta) that he 
does not get this error, but he is NOT running vncserver as a 
service.  Rather from an SSH session.


See below service status that 934 is the plokit.  Perhaps the login is 
trying to run a second copy?  What might be causing this condition?  I 
am going to build a F28 system and see what it does...


# systemctl -l --no-pager status vncserver@:1
● vncserver@:1.service - Remote desktop service (VNC)
   Loaded: loaded (/etc/systemd/system/vncserver@:1.service; enabled; 
vendor preset: disabled)
   Active: active (running) since Fri 2018-06-22 11:12:56 EDT; 2 
months 30 days ago
  Process: 707 ExecStart=/usr/bin/vncserver -autokill :1 (code=exited, 
status=0/SUCCESS)
  Process: 670 ExecStartPre=/bin/sh -c /usr/bin/vncserver -kill :1 > 
/dev/null 2>&1 || : (code=exited, status=0/SUCCESS)

 Main PID: 728 (Xvnc)
    Tasks: 119 (limit: 4315)
   Memory: 200.2M
   CGroup: /system.slice/system-vncserver.slice/vncserver@:1.service
   ├─ 728 /usr/bin/Xvnc :1 -auth /home/rgm/.Xauthority 
-desktop localhost:1 (rgm) -fp catalogue:/etc/X11/fontpath.d -geometry 
1024x768 -pn -rfbauth /home/rgm/.vnc/passwd -rfbport 5901 -rfbwait 3
   ├─ 744 sh -c (/home/rgm/.vnc/xstartup; /usr/bin/vncserver 
-kill :1) >> '/home/rgm/.vnc/localhost:1.log' 2>&1 &

   ├─ 745 /bin/sh /etc/xdg/xfce4/xinitrc
   ├─ 756 xfce4-session
   ├─ 763 /usr/bin/dbus-launch --sh-syntax --exit-with-session 
xfce4-session
   ├─ 783 /usr/bin/dbus-daemon --syslog --fork --print-pid 6 
--print-address 8 --session

   ├─ 841 /usr/libexec/at-spi-bus-launcher
   ├─ 855 /usr/bin/dbus-daemon 
--config-file=/usr/share/defaults/at-spi2/accessibility.conf --nofork 
--print-address 3

   ├─ 859 /usr/libexec/at-spi2-registryd --use-gnome-session
   ├─ 862 /usr/lib/xfce4/xfconf/xfconfd
   ├─ 883 /usr/bin/ssh-agent -s
   ├─ 889 /usr/bin/gpg-agent --sh --daemon --write-env-file 
/home/rgm/.cache/gpg-agent-info

   ├─ 895 xfwm4
   ├─ 903 xfce4-panel
   ├─ 906 Thunar --daemon
   ├─ 910 xfdesktop
   ├─ 916 /usr/bin/python3 /usr/bin/seapplet
   ├─ 921 xscreensaver -no-splash
   ├─ 923 /usr/libexec/geoclue-2.0/demos/agent
   ├─ 925 nm-applet
   ├─ 934 /usr/libexec/xfce-polkit
   ├─ 935 xfsettingsd
   ├─ 943 xfce4-power-manager
   ├─ 960 abrt-applet
   ├─ 965 /usr/libexec/gvfsd
   ├─ 980 /usr/libexec/imsettings-daemon
   ├─ 982 /usr/lib/xfce4/notifyd/xfce4-notifyd
   ├─1058 /usr/bin/pulseaudio --start
   ├─1202 /usr/bin/ibus-daemon -r --xim
   ├─1205 /usr/libexec/dconf-service
   ├─1231 /usr/libexec/ibus-dconf
   ├─1235 /usr/libexec/ibus-ui-gtk3
   ├─1238 /usr/libexec/ibus-extension-gtk3
   ├─1244 /usr/libexec/ibus-x11 --kill-daemon
   ├─1250 /usr/libexec/ibus-portal
   ├─1323 /usr/libexec/ibus-engine-simple
   ├─1326 /usr/lib/xfce4/panel/wrapper-2.0 
/usr/lib/xfce4/panel/plugins/libsystray.so 6 14680072 systray 
Notification Area Area where notification icons appear
   ├─1328 /usr/lib/xfce4/panel/wrapper-2.0 
/usr/lib/xfce4/panel/plugins/libactions.so 2 14680073 actions Action 
Buttons Log out, lock or other system actions

   ├─1379 /usr/libexec/gvfs-udisks2-volume-monitor
   ├─1421 /usr/libexec/gvfs-mtp-volume-monitor
   ├─1436 /usr/libexec/gvfsd-trash --spawner :1.12 
/org/gtk/gvfs/exec_spaw/0

   └─1443 /usr/libexec/gvfsd-metadata

Sep 21 08:32:35 localhost 
org.freedesktop.thumbnails.Thumbnailer1[783]: Registered thumbailer 
gsf-office-thumbnailer -i %i -o %o -s %s
Sep 21 08:32:35 localhost 
org.freedesktop.thumbnails.Thumbnailer1[783]: Registered thumbailer 
/usr/bin/gdk-pixbuf-thumbnailer -s %s %u %o
Sep 21 08:32:35 localhost 
org.freedesktop.thumbnails.Thumbnailer1[783]: Registered thumbailer 
/usr/bin/gdk-pixbuf-thumbnailer -s %s %u %o
Sep 21 08:32:35 localhost dbus-daemon[783]: [session uid=1000 pid=762] 
Activating service name='org.gtk.vfs.UDisks2VolumeMonitor' requested 
by ':1.31' (uid=1000 pid=1366 comm="/usr/lib/tumbler-1/tumblerd "