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Hello, everyone.  I'm new to this. I'm from Spain, and I can hardly find any information about LinuxCNC for 5-axis machining centres. Let me explain. I have a robust 3-axis desktop CNC, running on Arduino + CNCShield. I am designing and building a table to add A/B axes and make it 5-axis. What controller board do you recommend for using LinuxCNC? My knowledge is limited. The drivers for my motors with encoders have Step/Dir. If there is a post from someone who has built a 5-axis CNC using LinuxCNC, I would appreciate it. Thank you.

I solved this problem. When I installed from the .iso, the drives for the computer wifi were not available, so I installed without an internet connection. This evidently creates a system that only mostly works. The apt app was broken. I connected to the the internet with a cable and re-installed the .iso. Now, I've been able to do sudo apt install glade without issue.

We would like to see the error you get.
Nevertheless, I happen to know why. It's because index-enable is an IO pin, it's both input and output, a bit special.
So you can not set it to true, only connect it to a pin that is IO both input and output. Such as joint..index-enable
Relevant links www.linuxcnc.org/docs/html/drivers/hostmot2.html#_pins_5
linuxcnc.org/docs/html/man/man9/motion.9.html#JOINT%20PINS

Sind noch alle im Urlaub?
So ruhig geworden hier 

I changed according to your suggestion. But same issue "joint follwing error"
I am not seeing any mismatch of imperial vs metric units. I think I have defined only mm.

Yes I have set jumpers correctly. I tried flashing grblhal.. everything was working. So its not related to hardware or jumpers

Do you need it to cut 4 axis or just 2 axis?

IInteresting—I used the Fusion360 post processor from the first page of this thread (forum.linuxcnc.org/plasmac/38438-plasmac...t-processors?start=0). After rereading the PDF, it doesn’t explicitly say so, but I think I need to create separate 2D profiles for each feature I’m cutting. Since the post processor doesn’t generate Z movements, would that mean making individual profiles for all 12+ holes plus the part outline? and i assume plasmaC will control Z when it goes to probe for each cut?  I also tried Inkscape (which I like), but it skips certain splines and rounded corners in my parts. Redesigning everything just to fit Inkscape’s gcode output would be counterproductive.

Thank you so much Tommylight for your reply, i greatly appreciate your help!

I don't understand what you mean.
Perhaps you should directly describe the actual problem you are facing.