Ubuntu accesses the Internet through 802.1x (wired) Authentication

Ubuntu accesses the Internet through 802.1x (wired) authentication. First, you must confirm that you have passed 802.1x authentication. You can call the network center office to say that you are an Apple Computer. You can use standard 802.1x instead of ruijie to access the Internet by changing your authentication template to an Apple system. 2. Click the network connection icon on the panel to see if device not managed is displayed under your wired network card. If not, go directly to the third place. If yes, modify/etc/NetworkManager. conf: Change www.2cto.com 1 managed = false to 1 managed = true, restart NetworkManager, and click network connection to check whether device not managed is used.
3. Open the Network Connection in Dash, or click Edit Connections at the bottom of the Network link of the panel. In Wired, Add a link to Device MAC Address and select the NIC. Generally, eth0 www.2cto.com is in 802.1x Security, and MD5 is selected for Authentication, after filling in username and password, save and control the network connection in the panel, connect or disconnect.