Slic3r launch WLS Ubuntu howto

Hi,

I am trying to run Slic3r on WLS with Ubuntu 18 as the chosen package.
Installing everything went quick and without any errors.
I've installed slic3r with sudo apt-get slic3r and it installed right away but I have no idea where it has been installed, also freeglut and VcXsrv for viewing Slic3r in win10 has been installed and working.

I have located the .Slic3r folder and slic3r.ini file but where is the slic3r.exe file located? I can't find it and hence can't start slic3r from the bash terminal.
Are there hidden files? How can I launch Slic3r from the terminal?

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Creality CR10/X Dual color/material
Creality CR10S
Ender3 Pro
Photon
Mendel90 (decommissioned)
Mamorubot Jupiter CoreXY

Ummm... on Linux you shouldn't be looking for a .exe file. The executable, or a link to it, should be in your path already, so just typing 'slic3r' (NB: all lower case) on the command line will run it.

I'm not an experienced linux user. I installed all this today because I need slic3r in linux to try out something new.
I'm in the home directory in Bash and typed 'slic3r' and I get the following error: Segmentation fault (core dumped)

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Creality CR10/X Dual color/material
Creality CR10S
Ender3 Pro
Photon
Mendel90 (decommissioned)
Mamorubot Jupiter CoreXY

I've looked up the error and it's suppose to be some write permission's I have to enable but no idea how to do this.

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Creality CR10/X Dual color/material
Creality CR10S
Ender3 Pro
Photon
Mendel90 (decommissioned)
Mamorubot Jupiter CoreXY

The problem is with the VcXsrv I'm using. It opens and then immediately closes.

error log:
Welcome to the VcXsrv X Server
Vendor: The VcXsrv Project
Release: 1.20.5.1

OS: Windows NT 6.2 build 9200 (64-bit)
Contact: marha@users.sourceforge.net

Cannot move old log file "C:\Users\Jim2\AppData\Local\Temp\VCXSrv.0.log" to "C:\Users\Jim2\AppData\Local\Temp\VCXSrv.0.log.old"
_XSERVTransSocketCreateListener: failed to bind listener
_XSERVTransSocketINETCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: failed to create listener for inet6
_XSERVTransSocketCreateListener: failed to bind listener
_XSERVTransSocketINETCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: failed to create listener for inet
LoadPreferences: C:\Users\Jim2\AppData\Roaming\.XWinrc not found
LoadPreferences: Loading C:\Program Files\VcXsrv\system.XWinrc
Warning: Locale not supported by X, falling back to 'C' locale.
(EE) AIGLX: No native OpenGL in modes with a root window
(II) IGLX: Loaded and initialized swrast
(II) GLX: Initialized DRISWRAST GL provider for screen 0
winMultiWindowWMProc - Error code: 8 (Match), ID: 0x00200001, Major opcode: 12 (ConfigureWindow), Minor opcode: 0 ((null))
winMultiWindowWMProc - Error code: 3 (Window), ID: 0x0020001d, Major opcode: 18 (ChangeProperty), Minor opcode: 0 ((null))
winMultiWindowWMProc - Error code: 3 (Window), ID: 0x0020001d, Major opcode: 19 (DeleteProperty), Minor opcode: 0 ((null))
glxWinSetPixelFormat: having second thoughts: cColorbits 24, bppOveride 0; config->drawableType 5, drawableTypeOverride 1
wglChoosePixelFormat: chose pixelFormatIndex 50 (rather than 50 as originally planned)
ChoosePixelFormat: chose pixelFormatIndex 14 (rather than 50 as originally planned)
SetPixelFormat error: The pixel format is invalid. (000007d0)
Window changed handle from 0 to 2b0896

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Creality CR10/X Dual color/material
Creality CR10S
Ender3 Pro
Photon
Mendel90 (decommissioned)
Mamorubot Jupiter CoreXY

Looks to me like the problem is more to do with the GUI environment than Slic3r. I'm thinking that for some reason sli3r has failed to connect to the X-server. Do you have an X-Windows session running? Can you get any GUI app running? You might need to create C:\Users\Jim2\AppData\Roaming\.XWinrc and put some settings in there. (In Unix, a .rc file is a text file that stores settings for an application).

Why not just install a Windows version of Slic3r?

I've tried the GUI with 'Xeyes' and it works.

It looks like the XWinrc file is indeed the issue and Slic3r will open in the X window but immediately close again.
Surely it's not the goal to start writing this RC file myself... I was thinking this file is maybe sitting in another folder but can not seem to find it.
There is a system.XWinrc file but I don't think it is alowed to use this file and copy it as I read I can't modify any Ubuntu files in Windows.

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Creality CR10/X Dual color/material
Creality CR10S
Ender3 Pro
Photon
Mendel90 (decommissioned)
Mamorubot Jupiter CoreXY

Finally solved.

I used alot of different manuals to install this and ended up with

export DISPLAY=:0
DISPLAY=localhost:0.0
where I deleted the export DISPLAY=:0 in nano editor and it worked.
thnx for the assistance.

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Creality CR10/X Dual color/material
Creality CR10S
Ender3 Pro
Photon
Mendel90 (decommissioned)
Mamorubot Jupiter CoreXY