
<h2>CLI</h2>
<p><code>nmcli</code> (nm for NetworkManager)</p>
<ul>
  <li><code>nmcli</code>: shows information similar to the now obsolete <code>ifconfig</code> command, including the name and model of the NIC, the media access control (MAC) address and (internet protocol) IP address, and which NIC is configured as the default gateway.</li>
  <li><code>nmcli device show</code>: get complete information about known devices and</li>
  <li><code>nmcli connection show</code>: get an overview of active connection profiles.</li>
  <li><code>nmcli -h</code>: get help.</li>
</ul>
<h2>Related Files</h2>
<ul>
  <li><code>/usr/lib/NetworkManager</code>.</li>
  <li><code>/etc/NetworkManager</code>: configs.</li>
  <li><code>/etc/NetworkManager/NetworkManager.conf</code>: main conf.</li>
  <li><code>/etc/NetworkManager/system-connections</code>: interface connection files; for both the wired network and the wireless networks.</li>
</ul>
<h2>dnsmasq plugin</h2>
<p><code>dnsmasq</code>: a lightweight DNS server. <code>dnsmasq</code> accepts DNS queries and either answers them from a small, local cache or forwards them to a real, recursive DNS server.</p>
<p><code>dnsmasq</code> can also provide DHCP and TFTP services to a small-scale network.</p>
<p>The dnsmasq plugin: instead of using the DNS nameserver assigned by DHCP, <code>NetworkManager</code> will configure a local copy of <code>dnsmasq</code> that can be customized.</p>
<pre><code>/etc/NetworkManager/dnsmasq.d
</code></pre>


NetworkManager

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