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    As Adam suggested, look at NetworkManager. For a static
    configuration, it would probably be best to make sure it's disabled.
    While it's not systemd-level invasive (cue sound of can of worms
    opening), it does tend to get its mitts on things it would be best
    if it didn't. It may be the thing for roaming clients, but not for
    servers that stay put on a fixed IP address.<br>
    <br>
    <div class="moz-cite-prefix">On 2016-08-16 14:41, Kevin McGregor
      wrote:<br>
    </div>
    <blockquote
cite="mid:CACBFUzjkupsXnL+etkNqbp=Q3AORoWKObjoh+8R9sD0eJp229g@mail.gmail.com"
      type="cite">
      <div dir="ltr">Nope, static:
        <div><span
            style="font-family:monospace,monospace;font-size:12.8px">iface
            eth0 inet static</span><br>
        </div>
        <div><br>
        </div>
        <div>It's a server, and we don't use DHCP for servers (alas).
          We're using dnsmasq locally on all servers solely for DNS
          resolution caching.</div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Tue, Aug 16, 2016 at 2:36 PM,
          Gilbert E. Detillieux <span dir="ltr">&lt;<a
              moz-do-not-send="true"
              href="mailto:gedetil@cs.umanitoba.ca" target="_blank">gedetil@cs.umanitoba.ca</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">Is this
            server setting its interface addresses manually, or is it a
            DHCP client?  In the latter case, the DHCP server may be
            specifying the domain search list, and the client side is
            happily overwriting your /etc/resolv.conf on every lease
            renewal.<br>
            <br>
            Gilbert<span class=""><br>
              <br>
              On 16/08/2016 2:14 PM, Kevin McGregor wrote:<br>
            </span>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex"><span
                class="">
                I'm running Ubuntu 14.04 on a particular server. In the
                /etc/resolv.conf<br>
                there are two search lines:<br>
              </span>
              search <a moz-do-not-send="true"
                href="http://domA.example.org" rel="noreferrer"
                target="_blank">domA.example.org</a> &lt;<a
                moz-do-not-send="true" href="http://domA.example.org"
                rel="noreferrer" target="_blank">http://domA.example.org</a>&gt;
              <a moz-do-not-send="true" href="http://domB.example.org"
                rel="noreferrer" target="_blank">domB.example.org</a><br>
              &lt;<a moz-do-not-send="true"
                href="http://domB.example.org" rel="noreferrer"
                target="_blank">http://domB.example.org</a>&gt; # [NOTE
              I made these up, but the form is the same]<br>
              search <a moz-do-not-send="true"
                href="http://domA.example.org" rel="noreferrer"
                target="_blank">domA.example.org</a> &lt;<a
                moz-do-not-send="true" href="http://domA.example.org"
                rel="noreferrer" target="_blank">http://domA.example.org</a>&gt;<span
                class=""><br>
                <br>
                I want the search setting to be just:<br>
              </span>
              search <a moz-do-not-send="true"
                href="http://domA.example.org" rel="noreferrer"
                target="_blank">domA.example.org</a> &lt;<a
                moz-do-not-send="true" href="http://domA.example.org"
                rel="noreferrer" target="_blank">http://domA.example.org</a>&gt;<span
                class=""><br>
                <br>
                I've deleted the top/offending line, but every time I
                restart dnsmasq or<br>
                run resolvconf -u (for example), the offending line
                comes back. Where is<br>
              </span>
              it getting the <a moz-do-not-send="true"
                href="http://domB.example.org" rel="noreferrer"
                target="_blank">domB.example.org</a> &lt;<a
                moz-do-not-send="true" href="http://domB.example.org"
                rel="noreferrer" target="_blank">http://domB.example.org</a>&gt;
              from? I've<span class=""><br>
                looked in all the usual places (I think), and tried
                "grep -R domB *" in<br>
                /etc, but nothing turns up! I'm at a loss.<br>
                <br>
                Any pointers on where I should look next?<br>
                <br>
                Thanks,<br>
                Kevin<br>
              </span></blockquote>
            <span class="HOEnZb"><font color="#888888"></font></span><br>
          </blockquote>
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      </div>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Gilles R. Detillieux              E-mail: <a class="moz-txt-link-rfc2396E" href="mailto:grdetil@scrc.umanitoba.ca">&lt;grdetil@scrc.umanitoba.ca&gt;</a>
Spinal Cord Research Centre       WWW:    <a class="moz-txt-link-freetext" href="http://www.scrc.umanitoba.ca/">http://www.scrc.umanitoba.ca/</a>
Dept. of Physiology and Pathophysiology, Faculty of Health Sciences,
Univ. of Manitoba  Winnipeg, MB  R3E 0J9  (Canada)
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