[Bug 533781] [NEW] [bind9 packaging] DNS no longer works after uninstall

[André Pirard]

Public bug reported:

Binary package hint: bind9

Using Ubuntu 8.10 (Intrepid).
I installed bind9 as a caching nameserver.
(BTW, kudos for the simplest BIND installation ever seen !!!)
But BIND could overload my router's NAT table with UDP DNS requests.

So, ... I uninstalled bind9.
BIND did not stop.  I had to restart Ubuntu.  But /etc/resolv.conf  remained like this :
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.0.1
search lan

==> DNS no longer worked.

Uninstall cleanup did not restore a working DNS state.

resolvconf's README is suggesting this :
$ sudo echo "nameserver 192.168.0.1" | resolvconf -a dummy
/sbin/resolvconf: line 79: dummy_new.4139: Permission denied

Turned on manual mode : workaround :
/etc/resolvconf/run/interface/ contained lo.named and NetworkManager
I removed  lo.named  leaving  NetworkManager

/etc/resolv.conf  became :
# Generated by NetworkManager
domain lan
search lan
nameserver 192.168.0.1
nameserver 192.168.0.1

Strange contents, but working again.

** Affects: bind9 (Ubuntu)
     Importance: Undecided
         Status: New

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[bind9 packaging]  DNS no longer works after uninstall
https://bugs.launchpad.net/bugs/533781
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