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  • tommylight
  • tommylight's Avatar
06 Nov 2025 17:57

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

Yes he is, do not upgrade unless there is something you absolutely need.
If the machine is working properly, NEVER upgrade. This is not MS windows.
-
I have several (roughly 10) machines using Ubuntu 8.04 and 10.04, all over 15 years old, all still working every day.
  • chrischan
  • chrischan
06 Nov 2025 17:57
Replied by chrischan on topic Alle Desktopsymbole verschwunden

Alle Desktopsymbole verschwunden

Category: Deutsch

Das war die Lösung!
Jetzt ist alles wieder da.
  • Tinine
  • Tinine
06 Nov 2025 17:48
Replied by Tinine on topic Automatic band saw marvel v10a

Automatic band saw marvel v10a

Category: CNC Machines

I have successfully used PWM on 24V DC bang-bang valves with position feedback. However there is huge spool-overlap to contend with which isn't a problem in my case because I use a microcontroller and my PID-loop is easy to modify. It will never be a servo-valve but it works fine if all you need to do is hit a target-count.

There are many applications that can benefit from programmable positioning but the cost of full-blown servo-hydraulics is not justifiable.

Regards,
Craig
  • clayton2ndtry
  • clayton2ndtry
06 Nov 2025 17:46

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

Dell Optiplex 960. /proc/cpuinfo
Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz

Parallel port. The md5sum test passes.

I have backed up everything.
/proc/meminfo MemTotal: 3071164 kB

Are you telling me that upgrading past 2.7.15 may not work?
  • clayton2ndtry
  • clayton2ndtry
06 Nov 2025 17:39

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

I think I have identified my USB drive from dmesg

[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.4-9-rtai-686-pae
root=UUID=d6024873-2470-49d1-992d-a484c0ca8fdf ro initrd=/install/gtk/initrd.gz
lapic quiet rootdelay=5
[ 2.660091] usb usb1: Product: EHCI Host Controller
[ 2.660093] usb usb1: Manufacturer: Linux 3.4-9-rtai-686-pae ehci_hcd
  • clayton2ndtry
  • clayton2ndtry
06 Nov 2025 17:33

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

Thank you. I will attempt to make the USB on my 2.7.15 Linux box.
  • AgentWD40
  • AgentWD40's Avatar
06 Nov 2025 17:27

Can I use these little 3d printer drivers with 7i96?

Category: Driver Boards

Thank you, sir!

While I've got your attention I have another burning question, though slightly off topic.

As I mentioned I've been out of the loop for several years now. When I was last here plasmac (pre qtplasmac) was in heavy development and rpi4 support was "expiremental" and plasmac a no go.

Is the rpi a viable option now for a plasma table?
  • unknown
  • unknown
06 Nov 2025 17:12

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

Look honestly unless there is some feature you absolutely must have that is the later versions I would stick with what you have. Even more so if you are using the parallel port. As the later installs do not use an RTAI kernel, which is best for parallel ports.
I think JT runs a lathe that is still on a version of Linuxcnc that runs on Ubuntu 8 or something like that back when the project was called emc2.
Unless you have a download of the image file that passes the md5sum test you are on the road to nowhere. Get that sorted first if you want to proceed.
Before anything back up your Linuxcnc folder that is in your home folder so you don't lose any of your Configs if things go bad.

It may help if you can give some info regarding the machine, are you using a parallel port or not, the CPU on the computer you wish to use, I don't want to look up the specs of the computer you are using as the same model can have different CPU, memory HDD and so forth.
  • unknown
  • unknown
06 Nov 2025 17:02

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

Oh hang on you have a working Linuxcnc install ?

If so you can use that to make the USB stick.

This is a very comprehensive article on how to do that
www.cyberciti.biz/faq/creating-a-bootabl...k-on-a-debian-linux/

Or you can search for WSL dd to USB.
WSL is windows subsystem for linux

learn.microsoft.com/en-us/windows/wsl/install
  • tommylight
  • tommylight's Avatar
06 Nov 2025 16:58 - 06 Nov 2025 16:59

Can I use these little 3d printer drivers with 7i96?

Category: Driver Boards

I forgot, do they have step/dir inputs?
If yes, then yes, they can be used with Mesa or parallel port.
Also, mind the power requirements as they do require 5V and 12-24V (or more).
Edit:
Just checked and yes they do have step/dir pins, so yes they will work.
  • unknown
  • unknown
06 Nov 2025 16:48

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

The image needs to be written to the USB stick byte by byte. The ISO format does not have a partition scheme.
I would have looked into why the program wouldn't run

A properly written USB stick for booting Linuxcnc does not have a "partition" scheme.
I think Belana Etcher has a "raw mode" that writes the image file to the USB stick as win32diskimager would.
  • wusel0464
  • wusel0464
06 Nov 2025 16:44
Replied by wusel0464 on topic Touch Plate

Touch Plate

Category: Qtvcp

Hello,

Since you don't describe your detailed workflow, it's difficult to answer correctly.
There may be an offset entered in the tool table, but it's not actually necessary, since the tool length doesn't matter with this procedure.
For my part, I have put together a few routines that do a manual tool change with automatic measurement.
The whole thing assumes that there is a tool in the spindle at the beginning, regardless of whether it is actually used or not, and that this is measured and then used to measure the workpiece height.

I hope I'm doing this correctly.

Many greetings, Frank
  • clayton2ndtry
  • clayton2ndtry
06 Nov 2025 16:42

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

That did not boot. I am trying to boot from DVD again. Is there any upgrade path from 2.7.15 to the modern versions that does involve booting an ISO? This desktop is apparently a legacy BIOS.
  • clayton2ndtry
  • clayton2ndtry
06 Nov 2025 16:14

"file ./live/filesystem.squashfs failed the MDS checksum"

Category: Installing LinuxCNC

Unfortunately, "The code execution cannot proceed because Microsoft.UI.Windowing.Core.dll was not found. Reinstalling the program may fix this problem." It did not.

Trusting CoPilot, I am burning the ISO to USB again with MBR partition scheme.
  • Hakan
  • Hakan
06 Nov 2025 15:55
Replied by Hakan on topic pc for linuxcnc using ethercat and Mesa

pc for linuxcnc using ethercat and Mesa

Category: Computers and Hardware

Looks fine, will work just fine.
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