docs/posts/WPA_woes.html


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      <div class="post posts">
        <div class="date">12/10 2019</div>
        <span style="font-size: 2rem; font-weight: 600">
          WPA Woes
        </span>
        <div class="post-text">
          <p>I finally got around to installing Void GNU/Linux on my main
computer. Rolling release, non-systemd, need I say more?</p>

<p>As with all GNU/Linux distributions, wireless networks had
me in a fix. If you can see this post, it means I&#8217;ve managed
to get online. It turns out, <code>wpa_supplicant</code> was detecting the
wrong interface by default (does it ever select the right
one?). Let us fix that:</p>

<pre><code>$ sudo rm -r /var/service/wpa_supplicant
$ sudo killall dhcpcd
</code></pre>

<p>What is the right interface though?</p>

<pre><code>$ iw dev
   ...
   Interface wlp2s0
   ...
</code></pre>

<p>Aha! Let us run <code>wpa_supplicant</code> on that interface, as a
background process:</p>

<pre><code>$ sudo wpa_supplicant -B -i wlp2s0 -c /etc/wpa_supplicant/wpa_supplicant.conf
$ sudo dhcpcd -B wlp2s0
$ ping google.com
PING ...
</code></pre>

<p>Yay! Make those changes perpetual by enabling the service:</p>

<pre><code>------------------------------------------------------
# Add these to /etc/wpa_supplicant/wpa_supplicant.conf
OPTS=&quot;-B&quot;
WPA_INTERFACE=&quot;wlp2s0&quot;
------------------------------------------------------
$ sudo ln -s /etc/sv/wpa_supplicant /var/service/
$ sudo ln -s /etc/sv/dhcpcd /var/service/
$ sudo sv restart wpa_supplicant
$ sudo sv restart dhcpcd
</code></pre>

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