First of all, I apologize for the delay in replying.
This question I made is not very important, as your skin works perfectly. Furthermore,
I congratulate you and thank you for your great work.
1) I don’t really work with Linux; weewx works on my Windows PC after installing weewx-windows. There is difference in relation to a "pure Linix" installation; for example in the name of some folders.
2) Yes, I have pyephem installed:
Package Version
--------------- -------
Cheetah3 3.2.4
configobj 5.0.6
Django 1.11.25
ephem 3.7.7.0
image 1.5.27
Markdown 3.1.1
paho-mqtt 1.4.0
Pillow 6.2.0
pip 19.3.1
pyephem 3.7.7.0
python-dateutil 2.8.0
pytz 2019.3
pyusb 1.0.2
setuptools 41.4.0
six 1.12.0
uptime 3.0.1
3) I do not know where to find "syslog". Thank you very much for your kindness