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howtos:hardware:arm:raspberrypi3_wap [2018/08/28 19:26 (UTC)]
bifferos [Adapter detection]
howtos:hardware:arm:raspberrypi3_wap [2018/08/28 20:08 (UTC)]
bifferos [Introduction]
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 This HOWTO shows you how to replace the WiFi element of your home network setup with a Raspberry Pi running Slackware. ​ Other HOWTOs explain how to setup DHCP and so on for your wireless devices, but this tries to keep things really simple and just give you an ethernet->​Wifi bridge. ​ This is very close to the config I ended up with when I configured a TP-LINK ADSL router to do the same thing, only this way I get to patch stuff a lot more easily. This HOWTO shows you how to replace the WiFi element of your home network setup with a Raspberry Pi running Slackware. ​ Other HOWTOs explain how to setup DHCP and so on for your wireless devices, but this tries to keep things really simple and just give you an ethernet->​Wifi bridge. ​ This is very close to the config I ended up with when I configured a TP-LINK ADSL router to do the same thing, only this way I get to patch stuff a lot more easily.
  
 +Although I've originally written this HOWTO for a RPi 3, I've since tried it on an RPi2 and it works just as well.  Interface wlan1 will obviously change to wlan0 because the Pi2 has no on-board WiFi however.
 ===== Hardware Requirements ===== ===== Hardware Requirements =====
  
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 <​code>#​ chmod 755 /​etc/​rc.d/​rc.hostapd</​code>​ <​code>#​ chmod 755 /​etc/​rc.d/​rc.hostapd</​code>​
  
 +===== QR Codes =====
 +
 +{{ howtos:​hardware:​arm:​hostapd.png?​100 }}
 +
 +No home WiFi network setup is complete without a QR code that you can wave at all your mates when they are round your house wanting to connect. ​ You can create one of these from your WiFi settings using the **qrencode** program, available from [[https://​slackbuilds.org/​repository/​14.2/​graphics/​qrencode/​|Slackbuilds]],​ or alternatively,​ get the build from [[http://​www.slackware.com/​~alien/​slackbuilds/​qrencode/​build/​|Alien Bob]] for a slightly later version.
 +
 +Type the following to create a PNG file with the code, which you can print, copy to your mobile, put on a local webpage or whatever.
 +
 +<​code>#​ qrencode -t PNG -o wifi-setup.png "​WIFI:​S:​MYSSID;​T:​WPA2;​P:​MYPASSWD;​H:​true;"</​code>​
 +
 +The above assumes WPA2, MYSSID should be replaced with your SSID, MYPASSWD replaced with your password. ​ For my Android phone I installed a piece of software from the Play store called [[https://​play.google.com/​store/​apps/​details?​id=com.google.zxing.client.android|Barcode Scanner]] by the [[https://​play.google.com/​store/​apps/​developer?​id=ZXing+Team|ZXing Team]]. ​ It works very well for reading these codes.
 +
 +At a pinch, the following bash script should pull your SSID and passphrase out of the hostapd.conf file, and automatically use them to create a new QR code, so you can quickly keep it up to date after any changes.
 +
 +<​code>#​!/​bin/​sh
 +
 +SSID=$(cat /​etc/​hostapd/​hostapd.conf | grep ^ssid= | cut -d= -f2)
 +PASS=$(cat /​etc/​hostapd/​hostapd.conf | grep ^wpa_passphrase= | cut -d= -f2)
 +
 +qrencode -t PNG -o hostapd.png "​WIFI:​S:​$SSID;​T:​WPA2;​P:​$PASS;​H:​true;"</​code>​
 +
 + 
 ===== Conclusion ===== ===== Conclusion =====
  

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