Thank you for your mail. On Wed, Mar 27, 2024 at 12:42 AM Andy Smith <a...@strugglers.net> wrote: > On Tue, Mar 26, 2024 at 06:33:42PM +0100, Steffen Dettmer wrote: > > I changed a gateway on a remote site using /etc/network/interfaces by > > changing gateway. However, at reboot some old gateway IP reappears. I I also think that there is some Debian packaging rule about one > package not altering the config file of another package unless by > co-operation between the maintainers, so if this does actually turn > out to be Debian there might be bugs to report.
Thanks to Pierre-Elliott it became clear that this was caused by a virtualisation platform, so to say "change from outside", and thus I found nothing related "inside". (This is a Proxmox feature to setup containers, and someone made a mistake in the Proxmox configuration;so nothing wrong in Debian at all) Steffen
