From Hentschel
/* build kernel with RT_PREEMPT patch */
sshfs thomas@ge01.home.hentschel.net: /local-home/hentschel/ge01
</pre>
=== build kernel with RT_PREEMPT patch ===
* https://stackoverflow.com/questions/51669724/install-rt-linux-patch-for-ubuntu
=== Beckhoff ESI download ===
* https://www.beckhoff.com.cn/cn/download/elconfg.htm