1

I've configured the WiFi SSID and key through /etc/network/interfaces as shown below:

auto lo
iface lo inet loopback

auto wlan0
iface wlan0 inet dhcp
wpa-ssid MYWIFINAME
wpa-ap-scan 1
wpa-key-mgmt WPA-PSK
wpa-psk WIFIKEYGOESHERE

I did not use the usual password. I ran it through wpa_passphrase to get the proper key.

Even though these settings seem correct, and running iwconfig gives me this:

wlan0   IEEE 802.11bgn  ESSID:"MYWIFINAME"
        Mode:Managed  Frequency:2.462 GHz  Access Point: AB:CD:EF:12:34:56
        Bit Rate=72.2 Mb/s   Tx-Power=20 dBm
        Retry short limit:7   RTS thr=2347 B   Fragment thr:off
        Power Management:off
        Link Quality=38/70  Signal level=-72 dBm
        Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
        Tx excessive retries:0  Invalid misc:4   Missed beacon:0

lo      no wireless extensions.

Bus 001 Device 004: ID 7392:7811 Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]

... I can not ping any website, as they all return unknown host site.com and I can not ping my own router. Running ping -c 4 10.0.0.1 returns Network is unreachable, so what can I do? I don't have any information on the server right now, so I could wipe and reinstall if necessary.

When the server is rebooted, starting it up causes it to stall on Waiting for networking configuration, and it gives itself over 60 seconds to finish, but gives up.

Output of sudo ifup -v wlan0: http://paste.ubuntu.com/12989292/

EDIT: I decided to wipe the server, and I'm going to install Ubuntu Server in a VM in order to make it easier to use the Internet connection. It will be much easier to set up in Windows.

Phoenix Logan
  • 111

2 Answers2

0

Please amend your /etc/network/interfaces file to:

auto lo
iface lo inet loopback

auto wlan0
iface wlan0 inet dhcp
wpa-ssid MYWIFINAME
wpa-psk WIFIKEY

Where WIFIKEY is the actual key in clear text. Restart the interface:

sudo ifdown wlan0 && sudo ifup -v wlan0

Test:

ping -c3 www.ubuntu.com

The -v for verbose in the ifup command should produce sufficient output to diagnose why you didn't connect. As it may be lengthy, please post it here and give us the link: http://paste.ubuntu.com.

chili555
  • 61,330
0

You need to install a driver for this adapter. Connect to internet with some other adapter and run:

sudo add-apt-repository ppa:hanipouspilot/rtlwifi
sudo apt-get update
sudo apt-get install rtl8192cu-dkms linux-firmware

If you do not have other adapter then download these files:

https://launchpad.net/~hanipouspilot/+archive/ubuntu/rtlwifi/+files/rtl8192cu-dkms_0.2~trusty_all.deb

http://mirrors.kernel.org/ubuntu/pool/main/d/dkms/dkms_2.2.0.3-1.1ubuntu5.14.04.5_all.deb

https://launchpad.net/~hanipouspilot/+archive/ubuntu/rtlwifi/+files/linux-firmware_1.144%2Bar3012_all.deb

copy them to the /home/$USER directory and run

sudo dpkg -i *.deb
sudo reboot
Pilot6
  • 92,041