Complete HOW-TO Linux Mint 18.1 32/64 RTAI or PREEMPT with RIP install or deb

07 Sep 2017 19:48 #98639 by robertspark
new to linux, awaiting mesa 7i76e.

Followed instructions for Mint 18.3 + RT Preempt, all seems to be working ok. Running a small N3150 fanless PC, 8gb ram. Linux installed on a 2nd HDD.

Just wondering is there any benefit to latency on installing it on a Solid State Drive?

my 1mS latency is in the 40,000's

Didn't seem to make any difference when I physically removed my PCIe Wifi (which I'm not using anyway at present)

Didn't recompile kernel though, not sure if that would make a difference or be needed after removing the hardware (been a long time since I played with Linux last time and it was a PIA for adding and removing hardware)

07 Sep 2017 21:47 #98646 by rodw

robertspark wrote: new to linux, awaiting mesa 7i76e.
my 1mS latency is in the 40,000's

Didn't seem to make any difference when I physically removed my PCIe Wifi (which I'm not using anyway at present)

Rob, your latency is way within what the 7i76e needs because the stepgens are offloaded to the hardware not in software as it is with a parallel port.I've seen PCW say even 120,000 worked for him.

You might be lucky with your wifi card. In any case if its not needed, you are probably going to be OK.While you are waiting for your Mesa hardware, It would be interesting to test what happens to latency if you do use your wifi to surf the net.
25 Sep 2017 21:40 - 25 Sep 2017 21:42 #99431 by scubawarm
OK I've spent 3 full days on this with no luck.

Does ANYONE have a Mint 64 with Glade version 3.8.0 to 3.8.6

That they can can open the Glade app. add a main windows and then add an about windows and it doesn't immediately crash?

I must have done 20+ installation of various types on two machines, on a Hyper-V and one my laptop. Have the steps memorized already... not something I'm proud of. LOL

If you have done this successfully, please give me the distro you started with, what RT kernel you are running now, and how you added Glade 3.8.+

Thanks so much.
Last edit: 25 Sep 2017 21:42 by scubawarm.
26 Sep 2017 11:32 #99455 by rodw
I can't really remember how I got Glade working. I'm using Mint 17.3 which I installed just before this thread was written.

I do remember scouring the forum and googling a lot. I'm running Glade 3.8 (from memory).

This thread may be helpful but I honestly can't remember.

I kinda remember copying some images around.
30 Sep 2017 17:58 #99694 by newbynobi
The following user(s) said Thank You: PKM
31 Oct 2017 11:15 - 31 Oct 2017 11:36 #101048 by Thierry
Hi everybody,
I'm a new french member on this forum ; I'm building a CNC milling machine and I wish I could drive it with LinuxCNC.
I followed this tutorial and everything seems ok until I try to clone linuxcnc in linuxcnc-dev. I get this message :
fatal: unable to connect to[0:]: errno=connection timeout

I 'm not behind a proxy. I use Mint 18.3 on the 4.1.0-1-rtai amd64 kernel.
I would appreciate any help!!
Last edit: 31 Oct 2017 11:36 by Thierry. Reason: Corrected some typing
31 Oct 2017 11:24 - 31 Oct 2017 12:30 #101049 by cncnoob1979
Sorry I should have changed the clone to github awhile ago.

Use this instead;

git clone git:// linuxcnc-dev

EDIT: I edited posts 1-4 to show the above changes.
Last edit: 31 Oct 2017 12:30 by cncnoob1979.
The following user(s) said Thank You: Thierry
31 Oct 2017 17:27 #101072 by Thierry
Thanks to cncnoob1979 for the new git links!!
I finally completed the tutorial but, as a totally linux beginner, I can't find how to start linuxcnc (nothing in the menus, unknown command linuxcnc when testing in the terminal). I found the .deb files but I don't know what to do with it. Is there another step to install (like .dmg on mac)..

Thank you!!
31 Oct 2017 17:53 #101076 by cncnoob1979
Yes the .deb files are like a .dmg file - it's an installer package.

You are looking for two .deb files to install. One is the documentation- the other is a program.
You will need to install the linuxcnc-uspace deb file. It's approximately 4~mB

After installing these will you be able to start / run linuxcnc.
31 Oct 2017 18:13 #101078 by Thierry
Thank you !
My deb files all have the string ~pre1 in their name (ex. : linuxcnc_2.8.0~pre1_amd64.deb) ; is it normal ?
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