Can ubantu access the Internet? Online...

Can ubantu access the Internet? Online... -- Linux general technology-Linux technology and application information. For details, refer to the following section. I recently installed ubantu 10.04LTS, which has been plagued by the inability to access the Internet. In my online environment, I accessed the Internet through the account and password provided by the landlord and pulled the numbers. It's okay in XP. after ubantu is installed, the network is connected. Including the obtained IP address, DNS, gateway, and mask. It is the same as what is obtained in XP! But cannot access the Internet! The account and password provided by the landlord are used for authentication. Can ubantu solve this problem ??