On 9/19/21 09:06, Kenneth Porter wrote: > --On Sunday, September 19, 2021 2:10 AM +0200 hw <hw at gc-24.de> wrote: > >> So how/where do find I this DUID on my server? > > <https://redhatlinux.guru/2019/07/01/find-duid-on-rhel-and-centos-servers/> > > <https://askubuntu.com/questions/712159/how-can-i-find-out-my-systems-dhcpv6-duid> > > > My desktop has it in /var/lib/NetworkManager. I haven't yet figured out > what generates it or how it gets set on a server, as my servers don't > have one (that I can find). My suspicion is that it gets generated from > the UUID setting for the interface in > /etc/sysconfig/network-scripts/ifcfg-*. > None of this is working because the server isn't running a DHCPv6 server, and there seems to be no file in /var/lib/NetworkManager that would seem to be helpful. Isn't there a tool that creates the DUID and prints it? This can't be too difficult ...