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Re: how to remove a file and change dns server

Thank John!

i have a look at the thread suggested by Roberto
it's long and my energy is limited

but i have 2 PCs and i can let one use dns by isp, the other by vpn
so i want to delete that file

On Monday, July 9, 2018, 3:22:36 PM GMT+8, john doe <johndoe65534@xxxxxxxx> wrote:

Bottom posting.

On 7/9/2018 9:12 AM, Long Wind wrote:
>  Thank Ben! i just return home
> my old resolv.conf has that line too
> but i use twm and don't have easy gui app for Network Manager
> but i don't miss them
> and could you help me delete that resolv.conf?
> Thanks!
>      On Monday, July 9, 2018, 9:24:37 AM GMT+8, Ben Caradoc-Davies <ben@xxxxxxxxxxxx> wrote:

>  On 09/07/18 12:55, Long Wind wrote:
>> -rw-r--r-- 1 root root 51 May 15 20:52 /etc/resolv.conf
>> i can't remove file above, the story behind it:
>> dns servers are usually provided by isp
>> but they can't be used with vpn
>> so vpn provider told me to make a special resolv.conf
>> which contains dns servers not provided isp
>> dns server by vpn provider is useful when i visit blocked sites
>> but they are not as fast as those by isp
>> my question is  how to change dns server as needed?
>> it seem that resolv.conf is automatically managed
>> and how to remove the special resolv.conf
> What application do you use to manage your network connections? I use
> NetworkManager, which manages resolve.conf. I find this more convenient
> than manually editing resolv.conf. My resolv.conf starts with:
> # Generated by NetworkManager
> If I use the NetworkManager desktop applet to access the connection
> editor (nm-connection-editor), I can edit the connection; under IPv4
> Settings, I set Method Manual and list the DNS servers for this
> connection. I can also see the DNS servers listed under the Connection
> Information. The default behaviour is to use the DNS server supplied via
> DHCP, for example, from your router (likely the router itself). You will
> likely need two connections: one for your main connection and one for
> your VPN. I suggest adding custom DNS servers under your VPN connection
> settings.
> Kind regards,


The issue is not to "remove" resolv.conf(5) but to understand which
process is olding that file then you would use that utility to append
your proper lines.

John Doe