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Groups > linux.debian.user > #248170

Re: Editing the DNS with Network Manager Non Root

From Richmond <richmond@criptext.com>
Newsgroups linux.debian.user
Subject Re: Editing the DNS with Network Manager Non Root
Date 2022-05-13 21:50 +0200
Message-ID <EmJst-fgLy-1@gated-at.bofh.it> (permalink)
References (1 earlier) <Em1rr-ePBp-5@gated-at.bofh.it> <Emi8V-eZFE-19@gated-at.bofh.it> <Emqg9-f4Eg-3@gated-at.bofh.it> <EmGkV-ff26-1@gated-at.bofh.it> <EmIG5-fggz-1@gated-at.bofh.it>
Organization Frantic

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David Christensen <dpchrist@holgerdanske.com> writes:

> On 5/13/22 09:02, Richmond wrote:
>> David Christensen writes:
>>> On 5/12/22 07:17, Richmond wrote:
>>>> David Christensen writes:
>>>>> On 5/11/22 06:55, Richmond wrote:
>>>>>> I have a network manager applet on my xfce4 desktop. I am logged in as a
>>>>>> non root user, and I can select edit connections and change the IPv4
>>>>>> settings to DHCP address only and then put in a DNS, then save. If I
>>>>>> look at /etc/resolv.conf though nothing has changed. Restarting
>>>>>> networking or rebooting makes no difference. Perhaps this menu option
>>>>>> should only appear for root, or should cause an error message for non
>>>>>> root users?
>
>>> If I choose "Automatic (DHCP) addresses only", the labels for the
>>> second and third settings change.  Putting in some test data:
>>>
>>>      Additional static addresses -> Add:
>>> 	Address -> 192.168.123.45
>>> 	Netmask -> 255.255.255.0
>>> 	Gateway -> 192.168.5.1
>>>
>>>      DNS servers -> 192.168.123.45,192.168.123.67
>>>
>>>      Search domains -> frunobulax.org
>>>
>>>      DHCP client ID -> empty
>>>
>>>      Require IPv4 addressing for this connection to complete -> unchecked
>>>
>>>
>>> I then click "Save".
>>>
>>>
>>> I then enter the root password in the pop-up that opens.
>>>
>>>
>>> I then close the "Network Connections" window and reboot.
>>>
>>> 2022-05-12 16:10:25 dpchrist@laalaa ~
>>> $ ls -l /etc/resolv.conf
>>> -rw-r--r-- 1 root root 104 May 12 16:09 /etc/resolv.conf
>>>
>>> 2022-05-12 16:10:34 dpchrist@laalaa ~
>>> $ cat /etc/resolv.conf
>>> # Generated by NetworkManager
>>> search frunobulax.org
>>> nameserver 192.168.123.45
>>> nameserver 192.168.123.67
>>>
>>>
>>> Is this the results you expect?
>
>> I didn't put in a search domain, netmask, or gateway.
>
>
> Put them in and try again.  Without crawling the code, we have no idea
> what actually matters.
>
>
>> I didn't get prompted for root access. Perhaps that is the problem?
>
>
> I would suspect it indicates that Network Manager does not think your
> network settings changed.
>
>
>> stat /etc/resolv.conf shows that the file has been updated but its
>> content doesn't change.
>
>
> My /etc/resolv.conf did not change after running Network Manager; it
> changed after rebooting.  (Is the former a bug or a feature?)
>
>
> What happens if you create a new connection and use the Manual method?
>
>
> If all else fails -- backup, pull the OS disk, insert a blank disk, do
> a fresh install, and restore.  Keep meticulous records.  Use a version 
> control system.  Learn a scripting language and automate sysadmin chores.
>
>
> David

I switched to the mate desktop, and the procedure works, i.e. it prompts
for a root password and updates resolv.conf, after disconnecting and
reconnecting the network.

I expect there is some component of xfce4 which is supposed to prompt
for the root password. Perhaps it is not installed. I don't know what it
is called.

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Thread

Editing the DNS with Network Manager Non Root Richmond <richmond@criptext.com> - 2022-05-11 16:20 +0200
  Re: Editing the DNS with Network Manager Non Root David Christensen <dpchrist@holgerdanske.com> - 2022-05-11 22:50 +0200
    Re: Editing the DNS with Network Manager Non Root Richmond <richmond@criptext.com> - 2022-05-12 16:40 +0200
      Re: Editing the DNS with Network Manager Non Root David Christensen <dpchrist@holgerdanske.com> - 2022-05-13 01:20 +0200
        Re: Editing the DNS with Network Manager Non Root Richmond <richmond@criptext.com> - 2022-05-13 18:30 +0200
          Re: Editing the DNS with Network Manager Non Root David Christensen <dpchrist@holgerdanske.com> - 2022-05-13 21:00 +0200
            Re: Editing the DNS with Network Manager Non Root Greg Wooledge <greg@wooledge.org> - 2022-05-13 21:10 +0200
              Re: Editing the DNS with Network Manager Non Root David Wright <deblis@lionunicorn.co.uk> - 2022-05-13 22:50 +0200
                Re: Editing the DNS with Network Manager Non Root Greg Wooledge <greg@wooledge.org> - 2022-05-13 23:30 +0200
                Re: Editing the DNS with Network Manager Non Root Greg Wooledge <greg@wooledge.org> - 2022-05-14 02:50 +0200
                Re: Editing the DNS with Network Manager Non Root David Wright <deblis@lionunicorn.co.uk> - 2022-05-14 06:40 +0200
                Re: Editing the DNS with Network Manager Non Root David Wright <deblis@lionunicorn.co.uk> - 2022-05-16 05:50 +0200
                Re: Editing the DNS with Network Manager Non Root Greg Wooledge <greg@wooledge.org> - 2022-05-16 13:20 +0200
                Re: Editing the DNS with Network Manager Non Root David Wright <deblis@lionunicorn.co.uk> - 2022-05-16 17:50 +0200
                Re: Editing the DNS with Network Manager Non Root David Wright <deblis@lionunicorn.co.uk> - 2022-05-14 06:40 +0200
                Re: Editing the DNS with Network Manager Non Root Vincent Lefevre <vincent@vinc17.net> - 2022-05-16 01:40 +0200
                Re: Editing the DNS with Network Manager Non Root David Wright <deblis@lionunicorn.co.uk> - 2022-05-16 17:50 +0200
                Re: Editing the DNS with Network Manager Non Root <tomas@tuxteam.de> - 2022-05-14 07:20 +0200
              Re: Editing the DNS with Network Manager Non Root David Christensen <dpchrist@holgerdanske.com> - 2022-05-14 00:10 +0200
            Re: Editing the DNS with Network Manager Non Root Richmond <richmond@criptext.com> - 2022-05-13 21:50 +0200
              Re: Editing the DNS with Network Manager Non Root Richmond <richmond@criptext.com> - 2022-05-14 12:20 +0200
                Re: Editing the DNS with Network Manager Non Root <tomas@tuxteam.de> - 2022-05-14 13:30 +0200
                Re: Editing the DNS with Network Manager Non Root Richmond <richmond@criptext.com> - 2022-05-14 15:20 +0200
                Re: Editing the DNS with Network Manager Non Root David Christensen <dpchrist@holgerdanske.com> - 2022-05-15 00:20 +0200
                Re: Editing the DNS with Network Manager Non Root Richmond <richmond@criptext.com> - 2022-05-15 16:20 +0200
                Re: Editing the DNS with Network Manager Non Root David Christensen <dpchrist@holgerdanske.com> - 2022-05-16 02:30 +0200
                Re: Editing the DNS with Network Manager Non Root Richmond <richmond@criptext.com> - 2022-05-16 11:40 +0200

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