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Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong configuration, on debian stable

From davenull@tuxfamily.org
Newsgroups linux.debian.user
Subject Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong configuration, on debian stable
Date 2023-02-24 10:30 +0100
Message-ID <G2CyR-87VI-3@gated-at.bofh.it> (permalink)
References <G20WC-7JT0-5@gated-at.bofh.it> <G24xb-7M9K-17@gated-at.bofh.it> <G2goF-7TM7-1@gated-at.bofh.it> <G2yYh-85Ai-5@gated-at.bofh.it>
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Hello,

> […]
> vpnc_script has about eight methods available for setting up and
> reverting resolv.conf. Which is used depends on the presence of
> a binary, checked in turn from this list:
> 
>   /etc/openwrt_release          modify_resolvconf_openwrt
>   /usr/bin/resolvectl           modify_resolved_manager
>   /usr/bin/busctl               modify_resolved_manager_old
>   /sbin/resolvconf              modify_resolvconf_manager
>   /sbin/netconfig               modify_resolvconf_suse_netconfig
>   /sbin/modify_resolvconf       modify_resolvconf_suse
>   /usr/sbin/unbound-control     modify_resolvconf_unbound
>   otherwise                     modify_resolvconf_generic
> 
> Perhaps you could check which of those binaries you have.


I have they two resolved_manager binaries, but since systemd-resolvd 
service is disabled and stopped on my system, I highly doubt these are 
used.
It's more likely modify_resolvconf_generic

However, I didn't notice any vnpc_script malfunction. It does what it is 
expected to do. I'm like 99% sure the problem is dhclient deleting and 
recreating /etc/resolv.conf as it sees fit, multiple times a day, and 
deleting whatever vpnc_script has put in that file.

> 
>> > But how do you manage /etc/resolv.conf with connman. I don't use it,
> 
> Actually I was interested in what sets up your ordinary networking,
> the one that uses your ISP, when you're not "at work" …

- ConnMan is used to manually connect to/disconnect from wired, and much 
less often wireless (wifi, bluetooth) networks
- dhclient is used for DHCP request
- My OpenWRT router with DHCP is used as gateway for my subnet, answers 
to DHCP requests
- Then there's is toward my ISP's all-in-one router/modem + TV set top 
box + telephony bullshit (I don't use anything but Interne, but ISP 
enforces their "triple play bullshit so I have to do with that all in 
one device… There's no alternatives for DOCSIS, Since I can't get FTTH 
yet, which my current router doesn't support yet, either way I'm 
dependant on ISP router)

> 
>> Otherwise, when VPN is disconnected, I DO want /etc/resolv.conf to be
>> generated according to my home router's DHCP tells the computer
> 
> … yes, that one.
> 
> Cheers,
> David.

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Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-22 18:20 +0100
  Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Roberto C. Sánchez <roberto@debian.org> - 2023-02-22 18:30 +0100
  Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Christoph Brinkhaus <c.brinkhaus@t-online.de> - 2023-02-22 18:40 +0100
    Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-23 11:40 +0100
      Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Reco <recoverym4n@enotuniq.net> - 2023-02-23 18:20 +0100
  Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Greg Wooledge <greg@wooledge.org> - 2023-02-22 19:30 +0100
  Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable David Wright <deblis@lionunicorn.co.uk> - 2023-02-22 22:10 +0100
    Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-23 10:50 +0100
      Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable <tomas@tuxteam.de> - 2023-02-23 11:00 +0100
        Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-23 11:40 +0100
      Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable David Wright <deblis@lionunicorn.co.uk> - 2023-02-24 06:40 +0100
        Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable <tomas@tuxteam.de> - 2023-02-24 06:50 +0100
        Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-24 10:30 +0100
          Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable <tomas@tuxteam.de> - 2023-02-24 10:30 +0100
            Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-24 11:30 +0100
              Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable tomas@tuxteam.de - 2023-02-24 11:50 +0100
              Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-27 15:20 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Greg Wooledge <greg@wooledge.org> - 2023-02-27 15:40 +0100
          Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Greg Wooledge <greg@wooledge.org> - 2023-02-24 13:30 +0100
          Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable David Wright <deblis@lionunicorn.co.uk> - 2023-02-25 01:30 +0100
          Forcing dhclient to not ignore tun0 interface when it's available davenull@tuxfamily.org - 2023-03-02 11:50 +0100
            Re: Forcing dhclient to not ignore tun0 interface when it's  available Tim Woodall <debianuser@woodall.me.uk> - 2023-03-03 04:10 +0100
              Re: Forcing dhclient to not ignore tun0 interface when it's available Max Nikulin <manikulin@gmail.com> - 2023-03-03 06:30 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's  available Tim Woodall <debianuser@woodall.me.uk> - 2023-03-03 07:40 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available Max Nikulin <manikulin@gmail.com> - 2023-03-03 16:10 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available David Wright <deblis@lionunicorn.co.uk> - 2023-03-03 16:20 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available davenull@tuxfamily.org - 2023-03-06 13:40 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available David Wright <deblis@lionunicorn.co.uk> - 2023-03-07 05:10 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available davenull@tuxfamily.org - 2023-03-07 17:20 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available David Wright <deblis@lionunicorn.co.uk> - 2023-03-10 02:00 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available davenull@tuxfamily.org - 2023-03-06 13:20 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available David Wright <deblis@lionunicorn.co.uk> - 2023-03-07 05:10 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available davenull@tuxfamily.org - 2023-03-07 17:00 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available Max Nikulin <manikulin@gmail.com> - 2023-03-07 16:30 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available davenull@tuxfamily.org - 2023-03-07 18:00 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available David Wright <deblis@lionunicorn.co.uk> - 2023-03-10 02:00 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available davenull@tuxfamily.org - 2023-03-10 09:50 +0100
            Re: Forcing dhclient to not ignore tun0 interface when it's available David Wright <deblis@lionunicorn.co.uk> - 2023-03-03 06:30 +0100
              Re: Forcing dhclient to not ignore tun0 interface when it's available davenull@tuxfamily.org - 2023-03-03 18:10 +0100
                Re: Forcing dhclient to not ignore tun0 interface when it's available David Wright <deblis@lionunicorn.co.uk> - 2023-03-04 18:40 +0100
  Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable Cindy Sue Causey <butterflybytes@gmail.com> - 2023-02-23 02:30 +0100
    Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong configuration, on debian stable conover@panix.com (John Conover) - 2023-02-23 03:20 +0100
      Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-23 11:30 +0100
        Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable Jeremy Ardley <jeremy@ardley.org> - 2023-02-23 11:40 +0100
        Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable David Wright <deblis@lionunicorn.co.uk> - 2023-02-28 05:30 +0100
          Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-02-28 16:10 +0100
            Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Tixy <tixy@yxit.co.uk> - 2023-02-28 17:00 +0100
            Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable David Wright <deblis@lionunicorn.co.uk> - 2023-03-02 00:30 +0100
              Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-03-02 10:40 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Greg Wooledge <greg@wooledge.org> - 2023-03-02 13:40 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-03-02 13:50 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-03-02 14:10 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Greg Wooledge <greg@wooledge.org> - 2023-03-02 14:20 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable davenull@tuxfamily.org - 2023-03-02 16:20 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable David <bouncingcats@gmail.com> - 2023-03-02 16:40 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with wrong  configuration, on debian stable David <bouncingcats@gmail.com> - 2023-03-02 16:20 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable Curt <curty@free.fr> - 2023-03-02 18:30 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable David Wright <deblis@lionunicorn.co.uk> - 2023-03-02 19:20 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable <tomas@tuxteam.de> - 2023-03-02 20:30 +0100
                Re: Debugging what is deleting/recreating /etc/resolv.conf with  wrong configuration, on debian stable David Wright <deblis@lionunicorn.co.uk> - 2023-03-03 06:20 +0100

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