Many thanks, for help. I find your lines in another thread to solve the Warnings problem. For others:
In Putty as root:
sudo nano /etc/apt/sources.list
delete the lines
ctrl-o to save, ctrl-x to exit
apt-get update
Now I am facing another problem with installing plugins, I always getting error when I am installing docker plugin.I did1. apt clean2. Uninstal OMV-Extras3. dowload new *.deb file4. but getting same error:
Even for "shellinabox" same problem.After Docker instalation I am also recieving this:Sorry for the newbie question, I am doing my max in terms of searching in already solved.Thanks in advance!
I did reboot and suddenly it is get working.
Thanks!