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            12/10 — 2019
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                18.37
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            WPA Woes
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            <p>I finally got around to installing Void GNU&#47;Linux on my main
computer. Rolling release, non-systemd, need I say more?</p>

<p>As with all GNU&#47;Linux distributions, wireless networks had
me in a fix. If you can see this post, it means I&#39;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 &#47;var&#47;service&#47;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 &#47;etc&#47;wpa_supplicant&#47;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 &#47;etc&#47;wpa_supplicant&#47;wpa_supplicant.conf
OPTS=&#34;-B&#34;
WPA_INTERFACE=&#34;wlp2s0&#34;
------------------------------------------------------
$ sudo ln -s &#47;etc&#47;sv&#47;wpa_supplicant &#47;var&#47;service&#47;
$ sudo ln -s &#47;etc&#47;sv&#47;dhcpcd &#47;var&#47;service&#47;
$ sudo sv restart wpa_supplicant
$ sudo sv restart dhcpcd
</code></pre>

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