Re: Solved? - Re: vncserver with Xfce?

[Robert Moskowitz]

Bug 1626255 filed on SELinux problems.

On 09/06/2018 04:50 PM, Robert Moskowitz wrote:
>  I am into my system via vncclient.
>
>  As mentioned, I had to fix the SELinux policy.
>
>  In ~/.vnc/xstartup I have:
>
>  unset SESSION_MANAGER
>  unset DBUS_SESSION_BUS_ADDRESS
>  # exec /etc/X11/xinit/xinitrc
>  exec  /bin/sh /etc/xdg/xfce4/xinitrc
>  xrdb $HOME/.Xresources
>  startxfce4 &
>
>  There are a number of error messages in the log, like:
>
>  (xfce4-panel:26670): Gtk-WARNING **: 16:44:00.497: 
>  gtk_widget_size_allocate(): attempt to underallocate PanelItembar's 
>  child PanelPluginExternalWrapper 0x1ce6238. Allocation is 98x30, but 
>  minimum required size is 98x32.
>
>  (xfce4-panel:26670): Gtk-WARNING **: 16:45:00.439: 
>  gtk_widget_size_allocate(): attempt to underallocate PanelItembar's 
>  child PanelPluginExternalWrapper 0x1ce6238. Allocation is 98x30, but 
>  minimum required size is 98x32.
>
>  (xfce4-panel:26670): Gtk-WARNING **: 16:46:00.439: 
>  gtk_widget_size_allocate(): attempt to underallocate PanelItembar's 
>  child PanelPluginExternalWrapper 0x1ce6238. Allocation is 98x30, but 
>  minimum required size is 98x32.
>
>  But vnc connected.  I did get a Xfce Policy Kit error on connecting.  
>  Whatever that is...
>
>
>  On 09/06/2018 02:03 PM, Rick Stevens wrote:
> > On 09/05/2018 04:58 PM, Rick Stevens wrote:
> >> On 09/05/2018 01:41 PM, ToddAndMargo wrote:
> >>> On 09/05/2018 01:09 PM, Robert Moskowitz wrote:
> >>>> Anyone have vncserver working on Fedora with Xfce?
> >>>>
> >>>> Granted I am trying it on F29-arm-beta, but I followed the 
> >>>> processes I
> >>>> have for Centos7-arm with Gnome.
> >>>>
> >>>> systemctl set-default multi-user.target
> >>>>
> >>>> dnf install tigervnc-server
> >>>>
> >>>> Went to my user id and ran vncpasswd
> >> Yup. Right.
> >>
> >>>> cp /lib/systemd/system/vncserver@.service
> >>>> /etc/systemd/system/vncserver@:1.service
> >> As I understand it, you should have:
> >>
> >>     $ sudo cp /lib/systemd/system/vncserver@.service
> >> /etc/systemd/system/vncserver@.service
> >>
> >> (no ":1" in the target filename). The "%i" in the service
> script should
> >> be replaced by the display number by systemctl
> >>
> >>>> Then replaced all <USER> with my userid
> >> Yes, that's correct.
> >>
> >>>> systemctl enable vncserver@:1
> >>>> firewall-cmd --add-port=5901/tcp --permanent
> >>>>
> >>>> Then rebooted.
> >> There's no need to reboot. Just a simple
> >>
> >>     $ sudo systemctl daemon-reload
> >>
> >> followed by a
> >>
> >>     $ sudo systemctl start vncserver@:1.service
> >>
> >> to start it (you already did the "enable" so it should start on
> >> reboot).
> >>
> >> Note that I've never used tigervnc-server. I use Xorg and have a config
> >> that shares the root display. It's not perfect and I don't use it that
> >> often. I can supply details if you want.
> >>
> >> The free version of TeamViewer works fairly well, although mouse-based
> >> cut and paste from local windows into the TeamViewer client are
> >> problematic.
> > I just tried setting up TigerVNC server on a machine and following the
> > steps I outlined above and it worked just fine.
> >
> > I accessed it from another machine via:
> >
> >     vncviewer 192.168.1.52:1
> >
> > and Xfce started on the remote machine but had polkit issues. Everything
> > works except for things that required elevated privileges. I suspect
> > it's the Xfce startup that TigerVNC does that doesn't bring up the
> > correct session manager for Xfce. Not sure which session manager it
> > brought up, but the default lightdm session manager PAM config tries to
> > bring in pam_kwallet[5].so and that does NOT work well with
> > Xfce-polkit. I didn't bother trying to sort out which session manager
> > it did bring up, but tigervnc-server works fine if you follow the
> > instructions properly. A good resource is:
> >
> >
>     https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/ch-tigervnc
>
> >
> > ----------------------------------------------------------------------
> > - Rick Stevens, Systems Engineer, AllDigital ricks(a)alldigital.com -
> > - AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
> > -                                                                    -
> > - grasshopotomus: A creature that can leap to tremendous heights...  -
> > - ...once.            -
> > ----------------------------------------------------------------------
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