Running ec-debianize ater a resh install

open a terminal sudo apt install geany curl sudo geany /etc/apt/sources.list  insert this line at the end of the file deb [allow-insecure=yes] https://download.opensuse.org/repositories/home:/bone11111:/branches:/science:/EtherLab/Debian_10/ ./ Save and close geany enter these two commands to create a security key KEYRING=/usr/share/keyrings/ethercat.gpg curl -fsSL https://download.opensuse.org/repositories/home:/bone11111:/branches:/science:/EtherLab/Debian_10/Release.key | gpg --dearmor | sudo tee "$KEYRING" >/dev/null sudo apt update sudo apt install -y linux-headers-rt-amd64  sudo apt install ethercat-dkms libethercat libethercat-dev ethercat-master ip a (and save MAC address of the NIC used for ethercat) sudo geany /etc/ethercat.conf set your Master0 device to your MAC address and device modules to generic MASTER0_DEVICE="xx:aa:yy:zz:bb:cc" DEVICE_MODULES="generic" save and close geany sudo systemctl enable ethercat.service sudo systemctl start ethercat.service sudo systemctl status ethercat.service sudo chmod 666 /dev/EtherCAT0 Ethercat should be running. If the above command is not found, you have a problem You can list the slaves if you type ethercat slaves  

mkdir dev cd dev git clone https://github.com/sittner/linuxcnc-ethercat.git cd linuxcnc-ethercat/src replace the contents of realtime.mk with the revisions on this forum thread https://forum.linuxcnc.org/9-installing-linuxcnc/41983-linuxcnc-ethercat-undefined-symbol-ecrt-slave-config-sdo#203252 make clean sudo make install

The following NEW packages will be installed:   ethercat-dkms ethercat-master libethercat libethercat-dev 0 upgraded, 4 newly installed, 0 to remove and 269 not upgraded. Need to get 19.3 kB/1,234 kB of archives. After this operation, 70.2 MB of additional disk space will be used. WARNING: The following packages cannot be authenticated!   ethercat-dkms libethercat ethercat-master libethercat-dev Install these packages without verification? [y/N]