Ethercat installation from repositories - how to step by step

I'm almost done with mine... now I just need to change from CNC 3-axis to SCARA... which isn't easy for me because it's my first time. So I'll provide how I did it... with videos etc... I haven't faced that error of yours. I don't know if it's allowed for the moderator to suddenly make a WhatsApp group, which is easier and faster...

I shared this script for when the ethercat repo needs reinstalling
forum.linuxcnc.org/ethercat/53785-instal...thercat-repositories

I used it and it worked perfectly with your instructions!!!

 Hi, I'm getting an error running the command：   
    sudo systemctl start ethercat.service
 I don't know what it is, but with that method it works on another device and on this one I'm having problems. 

Any help would be appreciated.
Thanks.
 

hello on my raspberry 5 come this Status

ethercat.service - EtherCAT Master Kernel Modules
     Loaded: loaded (/etc/systemd/system/ethercat.service; enabled; preset: enabled)
     Active: inactive (dead)

raspberrypi systemd[1]: Dependency failed for ethercat.service - EtherCAT Master Kernel Modules.
aspberrypi systemd[1]: ethercat.service: Job ethercat.service/start failed with result 'dependency'.

thank you
 

Hi,
Figured it is time to update my outdated (but still working) instructions for my customers and to switch to Bookworm and a newer version of LinuxCNC, so I'm now running the LinuxCNC 2.9.3 Debian 12 Bookworm PREEMPT-RT ISO.

Next is installing EtherCAT so I started this step by step instruction but get stuck in the beginning.

edmuser@edmpc:~$ sudo apt update
[sudo] password for edmuser:
Hit:1 security.debian.org/debian-security bookworm-security InRelease
Hit:2 deb.debian.org/debian bookworm InRelease                          
Hit:3 deb.debian.org/debian bookworm-updates InRelease                  
Hit:4 repository.qtpyvcp.com/apt develop InRelease                     
Get:5 download.opensuse.org/repositories/science:/EtherLab/Debian_12 ./ InRelease [1,575 B]
Err:5 download.opensuse.org/repositories/science:/EtherLab/Debian_12 ./ InRelease
  The following signatures were invalid: EXPKEYSIG A94819A7CB97A204 science:EtherLab OBS Project <science:EtherLab@build.opensuse.org>
Hit:6 www.linuxcnc.org bookworm InRelease
Fetched 1,575 B in 1s (1,603 B/s)
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
93 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: download.opensuse.org/repositories/science:/EtherLab/Debian_12 ./ InRelease: The following signatures were invalid: EXPKEYSIG A94819A7CB97A204 science:EtherLab OBS Project
W: Failed to fetch download.opensuse.org/repositories/scien...ebian_12/./InRelease   The following signatures were invalid: EXPKEYSIG A94819A7CB97A204 science:EtherLab OBS Project
W: Some index files failed to download. They have been ignored, or old ones used instead.