WLAN on Ubuntu Server 14.04

I wanted to have my own little webserver-sandbox at home, so I’m using a HP Pavillion DV6000 for this.

I installed the latest Ubuntu Server – 14.04. Under the installation I have a cable attatched between the router and computer.

After the installation is done, this is what I needed to do:

  • Check if the bcmwl-kernel-source has been installed. If so, uninstall it using sudo apt-get remove bcmwl-kernel-source.
  • Install firmware-b43-installer, b43-fwcutter, linux-firmware-nonfree using sudo apt-get install firmware-b43-installer b43-fwcutter linux-firmware-nonfree.
  • Edit blacklist.conf located in /etc/modprobe.d/ using sudo nano /etc/modprobe.d/blacklist.conf and put a # in front of the line blacklist bcm43xx.
  • Edit the /etc/network/interfaces and add following in the bottom
    auto wlan0
    iface wlan0 inet dhcp
    wpa-ssid YourNetworkName
    wpa-psk YourNetworkPassword

    Save, and done!

    If you have a static IP-address for your server, make sure your /etc/network/interfaces has this text instead:
    auto wlan0
    iface wlan0 inet static
    address 192.168.x.x
    network 192.168.x.x
    gateway 192.168.x.x

    Save, and done!

My computer has a Broadcom BCM4311 wlan card, so this method might not work for all Broadcom BCM43xx cards.

Happy Linuxing!

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