Le 18/02/2020 à 17:43, Jonathan Billings a écrit :
According to 'man nm-settings-ifcfg-rh', PEERDNS=no is the old
network-services services mechanism for not changing /etc/resolv.conf,
while in NM it just means never add automatic nameservers to
resolv.conf from DHCP, PPP, VPN, etc. Turning off all DNS
updates means adding:
[main]
dns=none
... to the NetworkManager.conf (or preferably in an
/etc/NetworkManager/conf.d/ file) is probably going to be the most
effective way. I've seen PEERDNS=no make NetworkManager not overwrite
my resolv.conf but maybe I should be extra careful and drop in a
config file that turns off all dns updating features of
NetworkManager.
See my previous mail on that subject.
tl;dr : as long as you don't provide any DNS information for any of the
interfaces, /etc/resolv.conf does *not* get overwritten.
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