Difference between revisions of "Network Settings"

Revision as of 13:08, 12 March 2012

Setting a static IP (GUI)

FIG.1 The main network settings dialog box

FIG.2 The interface settings of Groovix network settings

FIG.3 The DNS tab of Groovix network settings

While logged in, hit CTRL+ALT+G to bring up the Groovix Menu. After a few seconds enter the root password in the pop up box. Once in the Groovix Menu, choose "Network Settings". In the network settings dialog box, highlight "Wired connection" and click properties [FIG.1].

On the Connections tab, choose eth0, click properties to configure the network interface [FIG.2]:

• Uncheck "Enable roaming mode"
• Set "Configuration" to "Static IP Address"
• Set "IP address", "Subnet Mask", and "Gateway Address" appropriately for your network.
• Click "OK"

On the DNS tab [FIG.3]:

• Add your DNS servers
• Click "Close".

Log out and back in again before trying a test search on google.com in Firefox; if a timeout occurs, double check the settings and try again. On some hardware (especially wireless) it may be necessary to reboot after changing network parameters. Once the workstation can browse web pages in Firefox, choose "Reboot the machine" from the Groovix Menu so your machine can be configured by the Groovix NetCustomization System.

Setting a static IP (xterm)

Groovix network settings can be configured using xterm by typing the command nano /etc/network/interfaces and editing the following text:

Use the proper IP addresses in place of each x.

Log out and back in again before trying a test search on google.com in Firefox; if a timeout occurs, double check the settings and try again. On some hardware (especially wireless) it may be necessary to reboot after changing network parameters. Once the workstation can browse web pages in Firefox, choose "Reboot the machine" from the Groovix Menu so your machine can be configured by the Groovix NetCustomization System.

Setting Wireless Network Parameters

To set wireless parameters, open a terminal window and edit the interfaces file by typing nano /etc/network/interfaces.

Add a section after the interface you want to use wirelessly and add the line wireless-essid [SSID] where [SSID] is the name of your wireless network. Next, include the line wireless-key1 [PASSWORD] where [PASSWORD] is the password you use for your wireless network; if your wireless network does not have a password, do not include the wireless-key1 line.

Below is an example of a /etc/network/interfaces file with the wireless settings added to interface eth1.

Troubleshooting

Running the following commands in a terminal window Terminal Guide can assist you in troubleshooting network issues by restarting your network devices or giving you information about the current values applied to your network interfaces.

/etc/init.d/networking restart - this restarts the networking and is usually sufficient to make changes take effect but sometimes a reboot is required.

ifconfig - shows all networking information, you are usually just interested in eth0 (usually wired) and wifi0 or ath0 or eth1 or ? (usually wireless) , lo is the loopback device, you can ignore it

iwconfig - shows wireless specific information including signal strength (usually called Link Quality, sometimes out of 5, sometimes out of 70, etc.)

ping [IP Address/web address] - sends out test signals to a local address or internet address and let you know if they were received or dropped; helpful in testing out which devices you can