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  • Re: ipv6 dns-nameservers#

    From Andy Smith@21:1/5 to Greg Wooledge on Thu Mar 27 15:00:01 2025
    Hi,

    On Thu, Mar 27, 2025 at 09:11:23AM -0400, Greg Wooledge wrote:
    On Thu, Mar 27, 2025 at 13:06:54 +0000, Andy Smith wrote:
    Without "resolvconf" the /etc/resolv.conf file is just a static file so there's limited things that would be editing it. The guesses of "you"
    or "the installer" would be the most likely for me as nothing else
    should be touching it.

    The most common program that writes to resolv.conf is a DHCP client
    daemon (any of them).

    I think all DHCP clients in Debian have a "Recomends" relationship on resolvconf to do this modification for them. I suppose you could
    configure things that way, then remove the DHCP client and it will
    offer to remove resolvconf as well if that only came in as the result of
    that one Recommends.

    Thanks,
    Andy

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  • From Greg Wooledge@21:1/5 to Andy Smith on Thu Mar 27 15:40:01 2025
    On Thu, Mar 27, 2025 at 13:58:49 +0000, Andy Smith wrote:
    I think all DHCP clients in Debian have a "Recomends" relationship on resolvconf to do this modification for them.

    hobbit:~$ apt-cache show isc-dhcp-client | grep -e Recommends -e resolv Recommends: isc-dhcp-common
    Suggests: resolvconf, avahi-autoipd, isc-dhcp-client-ddns

    Also, I think the OP in this thread isn't even running Debian. So,
    who knows what their installer did?

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  • From Andy Smith@21:1/5 to Greg on Thu Mar 27 16:40:01 2025
    Hi,

    On Thu, Mar 27, 2025 at 03:24:24PM -0000, Greg wrote:
    I wonder humorously if this discussion might devolve into yet another gargantuan thread concerning resolv.conf and whether it's kosher to set
    the immutable bit on that file in order to prevent whatever the heck is writing to it from writing to it.

    You are coming perilously close to summoning the beast, and then we
    don't get to close the portal until 30+ installs of something that is
    only almost Debian have been performed in undocumented unreproducible
    ways.

    Thanks,
    Andy

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