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<!--replace-end-7--><!--replace-end-4--><!--replace-end-1--></head><body><div class="ui fluid container universe"><!--replace-start-2--><!--replace-start-3--><!--replace-start-6--><div class="ui text container" id="zettel-container" style="position: relative"><div class="zettel-view"><article class="ui raised attached segment zettel-content"><div class="pandoc"><h1 id="title-h1">Set DNS settings</h1><h2 id="change-the-default-dns-server">Change the default DNS server</h2><p>On Arch and most modern Linux distributions domain name resolution is handled via the <code>systemd-resolved</code> <span><code class="inline-tag">#systemd</code></span> configuration.</p><p>Within the system systemd files this will be handled in <code>/etc/systemd/network/wired.network</code> or <code>/etc/systemd/network/wlan.network</code> files etc.</p><p>In the file below I have turned of DHCP routing and specified the address of my Pi-Hole device to handle domain name resolution:</p><pre><code class="language-none">#wlan.network
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[Match]
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Name=wl*
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[Link]
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RequiredForOnline=routable
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[Network]
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DHCP=yes
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DNS=192.168.0.4
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MulticastDNS=yes
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[DHCPv4]
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UseDNS=no
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RouteMetric=600
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[IPv6AcceptRA]
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RouteMetric=600
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</code></pre><p>This stops it using the default DNS server of my router and runs the resolutions against Pi-Hole.</p><p>This should automatically update the two <code>resolv.conf</code> files (which should be in syc), viz:</p><pre><code class="language-none"># File: /run/NetworkManager/resolv.conf
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# Generated by NetworkManager
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nameserver 192.168.0.4
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nameserver fded:2060:8671:0:681:9bff:fe9b:37f0
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</code></pre><pre><code class="language-none"># File: /etc/resolv.conf
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# Generated by NetworkManager
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nameserver 192.168.0.4
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nameserver fded:2060:8671:0:681:9bff:fe9b:37f0
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</code></pre><h2 id="related-notes">Related notes</h2><p><img alt="Network scanning" src="/static/Network_scanning.md" /> <img alt="Network debugging" src="/static/Network_debugging.md" /></p></div></article><nav class="ui attached segment deemphasized bottomPane" id="neuron-tags-pane"><div><span class="ui basic label zettel-tag" title="Tag">Linux</span><span class="ui basic label zettel-tag" title="Tag">networks</span><span class="ui basic label zettel-tag" title="Tag">systemd</span></div></nav><nav class="ui bottom attached icon compact inverted menu blue" id="neuron-nav-bar"><!--replace-start-9--><!--replace-end-9--><a class="right item" href="impulse.html" title="Open Impulse"><i class="wave square icon"></i></a></nav></div></div><!--replace-end-6--><!--replace-end-3--><!--replace-end-2--><div class="ui center aligned container footer-version"><div class="ui tiny image"><a href="https://neuron.zettel.page"><img alt="logo" src="https://raw.githubusercontent.com/srid/neuron/master/assets/neuron.svg" title="Generated by Neuron 1.9.35.3" /></a></div></div></div></body></html>
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