setup of 18.04

Ian A. Taylor iat at st-andrews.ac.uk
Thu Jun 14 14:12:28 UTC 2018


Tom

Thank you for your reply but I regret to inform you it does not help me

Ok I run     systemd-resolve --status

Global
           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
         systemd-resolve --status
Global
           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 (enp8s0)
       Current Scopes: none
        LLMNR setting: yes
MulticastDNS setting: no
       DNSSEC setting: no
     DNSSEC supported: no

Link 2 (enp7s0)
       Current Scopes: DNS
        LLMNR setting: yes
MulticastDNS setting: no
       DNSSEC setting: no
     DNSSEC supported: no
          DNS Servers: 138.251.10.53
                       138.251.10.54
               30.172.in-addr.arpa
                       31.172.in-addr.arpa
                       corp
                       d.f.ip6.arpa
                       home
                       internal
                       intranet
                       lan
                       local
                       private
                       test

Link 3 (enp8s0)
       Current Scopes: none
        LLMNR setting: yes
MulticastDNS setting: no
       DNSSEC setting: no
     DNSSEC supported: no

Link 2 (enp7s0)
       Current Scopes: DNS
        LLMNR setting: yes
MulticastDNS setting: no
       DNSSEC setting: no
     DNSSEC supported: no
          DNS Servers: 138.251.10.53
                       138.251.10.54


So what is styled as Link2 (enp7s0)  has the correct DNS servers

Now it used to be that you hacked /etc/resolv.conf and SOLVED the problem

Not so now (this is progress.....

ls -la /etc/resolv.conf
lrwxrwxrwx 1 root root 39 May 31 14:10 /etc/resolv.conf -> 
../run/systemd/resolve/stub-resolv.conf

cat /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 "systemd-resolve --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


So I am confused I don't know which file to edit

cat /etc/systemd/resolved.conf

#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.
#
# Entries in this file show the compile time defaults.
# You can change settings by editing this file.
# Defaults can be restored by simply deleting this file.
#
# See resolved.conf(5) for details

[Resolve]
#DNS=
#FallbackDNS=
#Domains=
#LLMNR=no
#MulticastDNS=no
#DNSSEC=no
#Cache=yes
#DNSStubListener=yes

#iat 11june2018
Domains=st-andrews.ac.uk

When I click on the icon in top rhs

select my network card, click on wired settings, click on the setup for 
the network card

I see the dns servers set correct but alas I cannot see how to set the 
search path

In my view this used to be in this menu but has been removed in 18.04

So how do I do something as simple as setting a search path........

Yours in frustration

Ian Taylor




On 09/06/18 11:15, Tom H wrote:
> [You've emailed me off-list]
>
> On Thu, Jun 7, 2018 at 10:21 AM Ian A. Taylor <iat at st-andrews.ac.uk> wrote:
>> On 06/06/18 20:15, Tom H wrote:
>>> On Wed, Jun 6, 2018 at 6:38 PM, Ian A. Taylor <iat at st-andrews.ac.uk> wrote:
>>>> I have just upgraded to 18.04
>>>>
>>>> I currently have two issues that I am having some trouble restoring
>>>>
>>>> a) I have a static IP on my ethernet adapter
>>>>
>>>> I can set the DNS servers ok but I cannot see howto set the search
>>>> pass parameter, which was so easy to set in 16.04
>>> How is your network set up? Via netplan? Is resolv.conf a regular file
>>> or a symlink? If it's a symlink, to what file? And what's in it?
>> etc/systemd/resolved.conf
>>
>>    ls -la resolv*
>> lrwxrwxrwx 1 root root   39 May 31 14:10 resolv.conf ->
>> ../run/systemd/resolve/stub-resolv.conf
>>
>> cat stub-resolv.conf
>> nameserver 127.0.0.53
>>
>> How is network setup
>>
>> When I login there is an icon in top right for network
>> click that, select ethernet settings, wired network
>>
>> Is that what you style as netplan ?
> No, netplan is an Ubuntu-specific text configuration that's stored in
> "/etc/netplan/" to generate networkd or NM configuration at boot.
>
> The top-right icon is an NM applet. I don't use NM so I can't check
> whether these two solutions'll work.
>
> 1.a) Set the "search" or "domain" in the NM applet
>
> 1.b) Set "dns=systemd-resolved" in "/etc/NetworkManager/NetworkManager.conf
>
> or
>
> 2) Set "Domains=your_search_domain" in "/etc/systemd/resolved.conf"

-- 

Thanking you.

Yours sincerely



Ian Taylor
University of St.Andrews,
School of Physics & Astronomy,
North Haugh,
St.Andrews,
Fife  KY16 9SS,
Scotland.

e-Mail :- iat at st-and.ac.uk
Tel    :- (0)1334-463141
Fax    :- (0)1334-463104

The University of St Andrews
is a charity registered in
Scotland : No SC013532.





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