El mié., 7 oct. 2020 a las 2:22, Michael Catanzaro (<mcatanz...@gnome.org>) escribió:
> > Hm, I'm not quite sure how this is intended to work. This is for > resolving VM hostnames into IP addresses? How exactly does it work > prior to systemd-resolved? E.g. lets say I have a libvirt VM named > "f33", should it be possible to resolve that name somehow from the host > system? > > Can you do what you want using > https://www.freedesktop.org/wiki/Software/systemd/resolved/ ? Maybe > SetLinkDNS for the bridge interface? But you would also need to call > SetLinkDomains to ensure queries for a particular domain go to the > bridge interface (otherwise, nothing will). You could theoretically, > for instance, claim a .libvirt domain, then resolve "f33.libvirt" to > the VM's IP? > My use case is, I have the bridge 'laptop-lab' created with libvirt: <network> <name>laptop-lab</name> <uuid>23997a64-b242-4a32-8ef6-4e0c36e16598</uuid> <forward mode='nat'> <nat> <port start='1024' end='65535'/> </nat> </forward> <bridge name='laptop-lab' stp='on' delay='0'/> <mac address='52:54:00:8d:77:d9'/> <domain name='laptop.lab' localOnly='yes'/> <ip address='192.168.100.1' netmask='255.255.255.0'> <dhcp> <range start='192.168.100.128' end='192.168.100.254'/> </dhcp> </ip> </network> Previously, I used dns=dnsmasq in NetworkManager to indicate that the domain 'laptop.lab' resolves through this dnsmasq instance: /etc/NetworkManager/conf.d/00-use-dnsmasq.conf: [main] dns=dnsmasq /etc/NetworkManager/dnsmasq.d/laptop_lab.conf: server=/laptop.lab/192.168.100.1 I'd like to do something similar in systemd-resolved, and indeed this works fine: # resolvectl dns laptop-lab 192.168.100.1 # resolvectl domain laptop-lab laptop.lab But this configuration is lost after a reboot, and the configuration file is not expressive enough to indicate a dns and domain on a link. A way to do this automatically would be greatly appreciated, but I guess it doesn't exist at the moment.
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