Re: Editing the DNS with Network Manager Non Root
Richmond <richmond@criptext.com> writes:
> 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.
Is there a debian package for this? :
https://aur.archlinux.org/packages/xfce-polkit
"A simple PolicyKit authentication agent for XFCE"
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