I found the problem and solution for X11 apps not opening.  In XQuartz
settings, there is an option under Security to verify all connections.
Unclick that and apps open normally again.

The terminfo issue and powerless root issue remain unsolved.

> On 10Jan, 2018, at 17:01 , Jim Graham <[email protected]> wrote:
> 
> On 10Jan, 2018, at 16:39 , RenĂ© J.V. Bertin <[email protected]> wrote:
> 
> On Wednesday January 10 2018 16:24:03 Jim Graham wrote:
> 
>>> so I can use my menu and pull up an xterm beside, say, Firefox, if I
>>> have some need for an xterm in a native app's window.
> 
>> What you get is an xterm that displays into a window provided by the
>> XQuartz X11 server (which is a "native" app just like Safari). That
>> window looks like a regular Aqua window when you use the QuartzWM
>> window manager; with TWM it will look like any X11 app under a legacy X
>> session.
> 
> Ahh, I see.  What about ctwm?
> 
>>> I don't understand the need for XQuartz to use such convoluted DISPLAY
>>> values.
> 
> Just as a bit more information, I just did a quick test to show exactly
> what I see when trying to open anything other than an xterm (rxvt doesn't
> work, either, just FYI---xpat2 is an alias for a solitaire card game I
> like, and the real game app is an X11 app):
> 
> ==================================================================
> 
> (16:44) % xpat2
> Error: Can't open display: 
> /private/tmp/com.apple.launchd.7DRbXtMp6A/org.macosforge.xquartz:0
> zsh: exit 1     /opt/local/bin/xpat2 -rules "Midnight Oil"
> (16:44) % echo $DISPLAY
> /private/tmp/com.apple.launchd.7DRbXtMp6A/org.macosforge.xquartz:0
> (16:45) % export DISPLAY
> (16:45) % xpat2 -display $DISPLAY
> Error: Can't open display: 
> /private/tmp/com.apple.launchd.7DRbXtMp6A/org.macosforge.xquartz:0
> zsh: exit 1     /opt/local/bin/xpat2 -rules "Midnight Oil" -display $
> (16:45) %
> 
> =================================================================
> 
> That's what I'm hoping to never see again....
> 
> Thanks,
>   --jim
> 
> --
> THE SCORE:  ME:  2  CANCER:  0
> 
> 73 DE N5IAL (/4)        MiSTie #49997  < Running Mac OS X Lion >
> [email protected] ICBM/Hurricane: 30.439947N 86.635177W
> 
>      "'Wrong' is one of those concepts that depends on witnesses."
>     --Catbert:  Evil Director of Human Resources (Dilbert, 05Nov09)
> 

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