Question on nmcli on Ubuntu 20.04

[Jerry Geis]

On Fri, Dec 18, 2020 at 2:10 PM Tom H <tomh0665 at gmail.com> wrote:

> On Fri, Dec 18, 2020 at 5:49 PM Jerry Geis <jerry.geis at gmail.com> wrote:
> >
> > I am using this command:
> >
> > nmcli connection modify 'Wired connection 1' ipv4.method manual
> ipv6.method ignore autoconnect yes ipv4.addr 192.168.1.19/22 gw4
> 192.168.1.1 ipv4.dns 192.168.1.14
> >
> > to set static address and the DNS. everything seems to work except
> > setting the DNS.
> >
> < The /etc/resolv.conf file still shows 127.0.0.53 and not the
> > 192.168.1.14
> >
> > Why is that ? What did I not do correctly ?
>
> What's the output of "resolvectl"?
>
> [ or of the following ]
> ls -l /etc/resolv.conf
> cat /run/systemd/resolve/resolv.conf
>
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Hi Tom,

Here are the items. Everything seems right - but its just my "expectations"
when viewing /etc/resolv.conf. I thought the nameserver should be
192.168.1.14
Should it not be based on the above nmcli command ?

Jerry

# This file is managed by man:systemd-resolved(8). Do not edit.
#
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
#
# Run "resolvectl status" to see details about the uplink DNS servers
# currently in use.
#
# Third party programs must not access this file directly, but only through
the
# symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a different
way,
# replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes
of
# operation for /etc/resolv.conf.

nameserver 127.0.0.53
options edns0 trust-ad
Global
       LLMNR setting: no
MulticastDNS setting: no
  DNSOverTLS setting: no
      DNSSEC setting: no
    DNSSEC supported: no
          DNSSEC NTA: 10.in-addr.arpa
                      16.172.in-addr.arpa
                      168.192.in-addr.arpa
                      17.172.in-addr.arpa
                      18.172.in-addr.arpa
                      19.172.in-addr.arpa
                      20.172.in-addr.arpa
                      21.172.in-addr.arpa
                      22.172.in-addr.arpa
                      23.172.in-addr.arpa
                      24.172.in-addr.arpa
                      25.172.in-addr.arpa
                      26.172.in-addr.arpa
                      27.172.in-addr.arpa
                      28.172.in-addr.arpa
                      29.172.in-addr.arpa
                      30.172.in-addr.arpa
                      31.172.in-addr.arpa
                      corp
                      d.f.ip6.arpa
                      home
                      internal
                      intranet
                      lan
                      local
                      private
                      test

Link 3 (wlo2)
      Current Scopes: none
DefaultRoute setting: no
       LLMNR setting: yes
MulticastDNS setting: no
  DNSOverTLS setting: no
      DNSSEC setting: no
    DNSSEC supported: no

Link 2 (eno1)
      Current Scopes: DNS
DefaultRoute setting: yes
       LLMNR setting: yes
MulticastDNS setting: no
  DNSOverTLS setting: no
      DNSSEC setting: no
    DNSSEC supported: no
  Current DNS Server: 192.168.1.14
         DNS Servers: 192.168.1.14
          DNS Domain: ~.



lrwxrwxrwx 1 root root 39 Dec 18 14:18 /etc/resolv.conf ->
../run/systemd/resolve/stub-resolv.conf



# This file is managed by man:systemd-resolved(8). Do not edit.
#
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
#
# Run "resolvectl status" to see details about the uplink DNS servers
# currently in use.
#
# Third party programs must not access this file directly, but only through
the
# symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a different
way,
# replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes
of
# operation for /etc/resolv.conf.

nameserver 127.0.0.53
options edns0 trust-ad
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