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12/10 — 2019
18.37 cm   1.1 min

WPA Woes

I finally got around to installing Void GNU/Linux on my main computer. Rolling release, non-systemd, need I say more?

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

$ sudo rm -r /var/service/wpa_supplicant
$ sudo killall dhcpcd

What is the right interface though?

$ iw dev
   ...
   Interface wlp2s0
   ...

Aha! Let us run wpa_supplicant on that interface, as a background process:

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

Yay! Make those changes perpetual by enabling the service:

------------------------------------------------------
# Add these to /etc/wpa_supplicant/wpa_supplicant.conf
OPTS="-B"
WPA_INTERFACE="wlp2s0"
------------------------------------------------------
$ 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
Hi.

I'm Akshay, I go by nerd or nerdypepper on the internet.

I am a compsci undergrad, Rust programmer and an enthusiastic Vimmer. I write open-source stuff to pass time. I also design fonts: scientifica, curie.

Send me a mail at [email protected] or a message at [email protected]

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