Yes, you are correct, it was indeed dhcp overwriting that file. I was able to stop it from overwriting the file by creating a hook script like described here: https://www.cyberciti.biz/faq/dhclient-etcresolvconf-hooks/
Thank you very much!
I am running a Debian 10 LXC container on PVE 7.1-8.
I recently configured systemd-resolved in order to achieve dns caching on that container. This requires /etc/resolv.conf to be modified. That works for some time, but at some point proxmox overwrites this file with its own...
When will the patch be available in the No-Subscription Repository? The latest kernel available to me is "pve-kernel-4.4.98-3-pve". Please, don't forget us home-users, or offer a more affordable access the the enterprise repository for home users.