weird issue with fresh install

[FinalX]

my problem is with a freshly installed ubuntu 20.04 i cant acces the plugins folder and allot of folder rights are owned by a user and group 2000:2000
cant acces plugins folder and when i created script in demoticz they cannot be run.

what i do and what i install and order

1. default installation ubuntu 20.04 LTS
2.

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sudo apt update

3.

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sudo apt upgrade

4.

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sudo reboot

5. then i install webmin:

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wget -qO - http://www.webmin.com/jcameron-key.asc | sudo apt-key add -
sudo sh -c 'echo "deb http://download.webmin.com/download/repository sarge contrib" > /etc/apt/sources.list.d/webmin.list'
sudo apt update
sudo apt install webmin

6. then i reboot again ( sudo reboot)
then i install python.
7. then i run

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sudo apt install python3

8. then i run

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sudo apt install python3-dev

then i reboot again
9. sudo reboot
then i install domoticz:
10.

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curl -sSL install.domoticz.com | sudo bash

11. then i update domoticz to release.
then when i try to go to cd domoticz/plugins i get:
cd: domoticz/plugins: Permission denied
also when i make a dzvent script it cannot be run whatever i do.

i know the reboots prolly dont need to happen this often but after like 10 installs i tried allot all the same result.
als i tried to update to the beta. same result.
whats going wrong here?
Pictures:
https://imgshare.io/image/Nx6TWj
https://imgshare.io/image/Nx6qOt
https://imgshare.io/image/Nx6cKS