On Tue, 2019-02-19 at 11:31 +0100, i...@zerrer.name wrote:
> Hi,
>  
> I'm new here so I'm not sure if the topic has been discussed before.
>  
> I am working on a Debian 9 / GNOME system with read only filesystem.
> Changes to the network settings (e.g. via nm applet) are therefore
> lost when restarting the system.
> The question now is, where does the NetworkManager store the
> information about which network connections have been activated in
> order to be able to persistently store this location?

Hi,


The state of NetworkManager is stored to /var/lib/NetworkManager.
I think you should just mount this directory (or /var/lib entirely) as
a tmpfs.


Regarding connection profiles in keyfile format. Set keyfile.path to
something like /var/run/NetworkManager/profiles.d (and possibly use
systemd-tmpfiles to create the directory). See `man
NetworkManager.conf`.



best,
Thomas

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