Thank you for your suggestion Also, I'm sorry reply late. So I am not native English, I takes time to write.
>Ubuntu I believe uses a different network manager I am aware network maneger is used in GUI environment, and, should not be used on the server without a GUI Am I wrong? >Try change auto wlan0 to allow-hotplug wlan0. I changed # auto wlan0 allow-hotplug wlan0 After that, I started wlan0 ifup wlan0 Message is displayed RTNETLINK answers: File exists Failed to bring up wlan0 wlan0 had started. ifconfig wlan0 Link encap: Ethernet HWaddr dc: fb: 02:59:1 d: 4e inet addr: 192.168.12.101 Bcast: 192.168.12.255 Mask: 255.255.255.0 inet6 addr: fe80 :: defb: 2ff: fe59: 1d4e/64 Scope: Link UP BROADCAST RUNNING MULTICAST MTU: 1500 Metric: 1 RX packets: 1115 errors: 0 dropped: 0 overruns: 0 frame: 0 TX packets: 33 errors: 0 dropped: 0 overruns: 0 carrier: 0 collisions: 0 txqueuelen: 1000 RX bytes: 163039 (163.0 KB) TX bytes: 6373 (6.3 KB) However, like the previous, wifi unable to communicate. ping unreachable -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.