[PLUG] Resolved: Network configuration for Ubuntu 10.04

Richard C. Steffens rsteff at comcast.net
Tue Nov 2 18:54:40 UTC 2010


On 11/02/2010 09:25 AM, Richard C. Steffens wrote:
> I'm thinking I need to give Network Manager more information.
> Specifically, the DNS servers and the Search Domains. A bit of Googling
> turned up a Comcast list showing Primary and Secondary DNS servers for
> Oregon as 68.87.69.150 and 68.87.85.102. The only thing I could find for
> Search Domains is hsd1.fl.comcast.net.

To use Network Manager on Ubuntu 10.04 to change from DHCP to a static 
IP address do the following:

Right click on the Network Manager icon -- it's the square with a dot in 
the middle and a diagonal line running down and to the left from the 
bottom left corner of the square.

Select "Edit Connections..." from the drop down menu.

Select the appropriate NIC from the list (in the current case, that was 
shown as Auto eth0) and click on the "Edit..." button.

In the "Editing Auto eth0" dialog click the "IPv4 Settings" tab.

Change "Method" from the "Automatic (DHCP)" entry to the "Manual" entry.

Under "Addresses" click the "Add" button.

Enter the desired address in the "Address" column, the desired netmask 
in the "Netmask" column, and the gateway address in the "Gateway" 
column. Be sure to hit the <enter> key after entering the gateway 
address. If you click away from it, the address disappears. In my 
example the addresses are:

Address:     192.168.0.253
Netmask:    255.255.255.0
Gateway:    192.168.0.1

Enter the desired DNS server addresses in the "DNS servers:" box, 
separating each address with a comma. For my example the numbers from 
Comcast are:

68.87.69.150,68.87.85.102

Enter the desired search domain address in the "Search domains:" box. 
Again, in my example the search domain from Comcast is:

hsd1.fl.comcast.net

Next, click the "Apply..." button. You will be asked to authenticate by 
providing your root password.

Finally, to really apply the changes, bring the connection down by 
clicking (not right clicking) the Network Manager icon and clicking 
"Disconnect" on the line under the connection you just changed. Then 
bring the connection back up by clicking the Network Manager icon and 
clicking on "Auto eth0" or whatever is appropriate for your situation.

-- 
Regards,

Dick Steffens





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