[Bug 988084] Re: Precise: Static IP Results in Empty /etc/resolv.conf

[Steve Langasek]

Sorry, but this is a configuration error.  If you use a static IP /at
install time/, then the installer will record the nameserver information
for you.  If you use a dynamic IP at install time, but then edit
/etc/network/interfaces by hand to configure a static IP, then you're
removing the only source of DNS configuration information that
resolvconf has.  You would need to add your static DNS information into
your /etc/network/interfaces as well, using the 'dns-nameservers' and
(optionally) 'dns-search' options.

This is documented in the resolvconf(8) manpage, and information about
the resolvconf change is included in the release notes for 12.04.

** Changed in: resolvconf (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/988084

Title:
  Precise: Static IP Results in Empty /etc/resolv.conf

Status in “resolvconf” package in Ubuntu:
  Invalid

Bug description:
  I have seen reports of this during upgrades from 11.10 to 12.04, but I
  am seeing this with a fresh install of Ubuntu 12.04.

  Steps to reproduce:

  1) Install a new 12.04 server installation
  2) Edit /etc/network/interfaces and set:
      iface eth0 inet dhcp to static, and enter address, netmask, gateway, network, broadcast
  3) Reboot
  4) cat /etc/resolve.conf results in an empty file, aside from the warning about the file being auto-generated

  There are only two workarounds for this that I've found:
  1) Edit /etc/resolvconf/resolv.conf.d/head and add the desired settings to the bottom of the file.
  - OR -
  2) Disable the resolvconf daemon from startup and setup /etc/resolv.conf as usual.

  Sorry if this is already a known issue from a FRESH install, but I was
  only able to find references to this problem in relation to upgrades.

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