Re: Request to change default /etc/resolv.conf symlink

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On Sat, Jun 4 2022 at 12:09:00 PM +0200, Peter Boy <pboy@xxxxxxxxxxxxx> wrote:
And split DNS is especially necessary when a server does host libvirt/KVM VMs. In order to address its VMs (e.g. monitoring tools or forwarding services) the host must query the libvirt dnsmasq instance. This is broken since F34/F35 with systemd-resolved. The only reliable way i know of is a second dnsmasq instance, most easily as NM plugin.

Does running dnsmasq alongside systemd-resolved have many advantages over just switching to dnsmasq altogether? I would consider that instead.

Wouldn’t be systemd-resolvd in enabled or disabled state a valid indicator what a sysadmin want’s to use and whether to replace a resolv.conf file by a symbolic link or vice versa?

It's actually the opposite: how you have configured /etc/resolv.conf tells NetworkManager how you want to manage DNS, if you have no manual NetworkManager configuration specified. But you can edit NetworkManager configuration to choose whatever behavior you want. You want dns=dnsmasq:

https://wiki.gnome.org/Projects/NetworkManager/DNS

Michael

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