Solution to the waiting for network configuration problem after ubuntu 12.04 is restarted

After ubuntu 12.04 is restarted, the waiting for network configuration problem is solved. Use a laptop to wirelessly access the Internet under ubuntu. The configuration steps are mainly two steps, one step for wireless connection (enter the key ), one step is used for dialing (enter the bandwidth account and password ). 1. wireless connection www.2cto.com right-click the network connection icon on the panel, select Edit connection, select wireless in the open network connection window, click Add, and enter the key, check the Automatic Connection check box, but now when dialing in ubuntu 12.04, if you use the sudo pppoeconf command to configure the dialing, the waiting for network configuration will be displayed first after the computer is restarted, then, waiting up to 60 more seconds for network configuration is displayed, and the booting system without full network configuration is displayed. after entering the desktop, the network connection status icon disappears. Cause of the problem www.2cto.com: when you use the sudo pppoeconf command, information is written into the/etc/network/interfaces file, which directly causes the above problem. Solution: After the sudo gedit/etc/network/interfaces file is opened, delete all the content except auto loiface lo inet loopback and restart the system.