(CentOS6.7 shared custom WiFi service The netbook comes with a gigabit network card and an 11g wireless network card, which are used to go out as a server to demonstrate products to customers. In order to support mobile client access, it was necessary to connect to a wireless router alone in the past, taking time to toss Next, use the built-in wireless network card to act as an AP, and NAT to the wired network to automatically obtain an IP address, so that they can be accessed together.)