Am Sun, Aug 06, 2023 at 05:17:23PM +0800 schrieb Jon Smart:
Hi Jon,
> It's a VPS provided by a local ISP. The VPS has a static IPv4.
> Do you know how to know if /etc/resolv.conf is modified by dhcp?
>
I am not sure about the details. But with DHCP a bunch of network
configuration items can be send from the server to the client. The
nameserver configuration is one of the items.
Kind regards,
Christoph
>
> >
> > Hi Jon,
> >
> >> I have removed the default systemd-resolved local dns service following
> >> the link below,
> >>
> >> https://askubuntu.com/questions/907246/how-to-disable-systemd-resolved-in-ubuntu
> >>
> >> And I have unbound installed and enabled as local DNS server.
> >>
> >> But every time I reboot the server, the configuration file
> >> /etc/resolv.conf changes to a default one. So every time I have to
> >> update
> >> its content to:
> >>
> >> nameserver 127.0.0.1
> >>
> >> (points to unbound)
> >>
> >> How to stop the auto-changes to /etc/resolv.conf after rebooting?
> >
> > In case you get the configuration overwritten by DHCP you can avoid that
> > by the following lines in /etc/dhcp/dhclient.conf.
> >
> > interface "bond0" {
> > supersede domain-name-servers 127.0.0.1;
> > }
> >
> > Just replace the interface name with yours.
> >
> > Kind regards,
> > Christoph
> > --
> > Ist die Katze gesund
> > schmeckt sie dem Hund.
> >
>
>
--
Ist die Katze gesund
schmeckt sie dem Hund.
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