2.7.14 to latest Master = HOW // now fixed

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11 Jun 2019 11:26 - 11 Jun 2019 15:55 #136585 by tecno
I am preparing a new PC for my upcoming plasma and have 2.7.14 installed.

How do I go about to get latest Master? I am assuming this is the way to go for a Parport PC and plasma (plasmaC?)
Last edit: 11 Jun 2019 15:55 by tecno. Reason: edit text

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11 Jun 2019 12:13 #136590 by andypugh
Latest Master is now 2.9.
You could probably use 2.8, which is more stable but does not have reverse-run.

To get either version you need to add the linuxcnc buildbot to the repositories list. You can do this in the Synaptic GUI or by editing the sources.list file.

The data to enter is listed on the buildbot page:
buildbot.linuxcnc.org

You can either use (EOL) Wheezy and RTAI or Stretch with the preempt-rt kernel.

I would try the latter first and see if it gives good enough latency, as Wheezy is now very old. Unfortunately we haven't been able to make a stable RTAI that runs on a wide range of hardware with anything newer as-yet.

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11 Jun 2019 12:18 #136591 by tecno
Tried this route gnipsel.com/linuxcnc/uspace/debian9-emc.html but get errors.

sudo apt-key adv --keyserver hkp://keys.gnupg.net --recv-key E0EE663E
sudo add-apt-repository "deb buildbot.linuxcnc.org/ stretch master-rtpreempt"
Update and install LinuxCNC

sudo apt-get update
sudo apt-get install linuxcnc-uspace

But where can I find 2.8? I have no need for reverse run.
This would be a good exercise to update both mill and lathe to 2.8 so this plasma install I can play around with.

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11 Jun 2019 12:26 #136592 by andypugh
Open synaptic and go to the repositories list. (I have forgotten where is is and I am typiung this on a Windows PC, , but it's on one of the top menus then something like software sources, then the "other software" tab or similar.)
Edit the url to end with 2.8-rtpreempt
Then save, refresh, search for linuxCNC and you should see 2.8 there to install.
right-click, select install, then apply.

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11 Jun 2019 12:28 #136593 by tecno
Thanks Andy, will give it a go.

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11 Jun 2019 13:26 #136604 by tecno
There is some sort of FU as I get errors on main/contrib/non-free etc.....
security.debian.org/dists/wheezy/updates/main/Sources 404 Not Found [IP:151.101.84.204 80]

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11 Jun 2019 13:58 #136607 by andypugh
What OS are you actually using, and which kernel?

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11 Jun 2019 14:21 #136610 by tecno
Linux plasma 3.4-9-rtai-686-pae #1 SMP PREEMPT Debian 3.4.55-4linuxcnc i686 GNU/Linux

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11 Jun 2019 15:39 #136617 by tecno
Linux plasma 4.9.0-8-rt-amd64 #1 SMP PREEMPT RT Debian 4.9.110-3+deb9u6 (2018-10-08) x86_64 GNU/Linux

Obviously I had the wrong version installed on this HDD

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11 Jun 2019 15:44 #136618 by pl7i92
you shoudt consider a 7i92 at eth cnc
or even a 7i96 that eliminates most EMI effects for a plasma

i got 2 plasmas here on parport and depending on poweruse of the comunity town it is only the parport that troubles on emi #

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