I just received a brand new Yun, fresh out of the box. I plugged it into my PC over USB and waited to see with AP pop up so that I could configure it, but the SSID never showed up. I've tried resetting the WLAN multiple times, and I've also tried plugging in directly to the PC via Ethernet, but I still can't connect. I am able to upload sketches and read back over the Serial Monitor.
Here's my output from the WiFiStatus check:
Starting bridge...
Current WiFi configuration
Current WiFi configuration
Current WiFi configuration
And here's an output from YunSerialTerminal when I try to find my IP address via ifconfig:
root@linino:/# ifconfig
eth1 Link encap:Ethernet HWaddr B4:21:8A:F8:42:4A
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:251 errors:0 dropped:9 overruns:0 frame:0
TX packets:27 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:28387 (27.7 KiB) TX bytes:10611 (10.3 KiB)
Interrupt:4
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:530 errors:0 dropped:0 overruns:0 frame:0
TX packets:530 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:36000 (35.1 KiB) TX bytes:36000 (35.1 KiB)
root@linino:/#
My understanding is that there should be a wlan0 section to this output, but it does not appear.
Any ideas what's going on here? This didn't happen with any of my other Yun's (I've played with 3 total).
I've also attached the U-boot output in case that's helpful
UbootOutput.txt (11 KB)
I don't have anything specific to offer about the WiFi network, hopefully someone else will be along with ideas. But I do have a couple of comments to offer:
kyle7125:
I've tried resetting the WLAN multiple times,
How exactly did you do this? Unlike many other devices, where you typically press and hold a reset button while power up, or immediately after power up, the Yun is rather different. The Linux system must be fully booted up before it will start to look at the WLAN RST button. This usually takes over a minute. Once Linux is fully booted up, then you can press the WLAN RST button and hold it for the short (5 second) or long (30 second) reset functions.
and I've also tried plugging in directly to the PC via Ethernet, but I still can't connect.
Did you just use a cable directly from your computer to the Yun? That normally won't work, unless you are running a DHCP server on your computer, or you enabled a DHCP server on the Yun, or you configured static addresses for both the Yun and the computer. Since you are not able to connect to the Yun, it's highly unlikely that you did either of the last two options, and you probably didn't do the first option.
The easiest way to use the Ethernet port on the Yun is to plug it into one of the LAN ports on your router or a switch/hub on the LAN side of your router. Out of the box, the Yun is set up to look for a DHCP server on the Ethernet port in order to get an address for the Ethernet port. That is the same way that the Ethernet port on a computer is normally set up. When you just connect the two together, the DHCP clients on the Yun and the computer are searching for a DHCP server from which to get an address, but there won't be such a server with a direct connection like that. So It's not surprising that ifconfig didn't show an IP address for the Ethernet port.
Thanks for the feedback! Fortunately, your comments were exactly what I needed to solve the problem.
How exactly did you do this?
I did wait a full 2 minutes prior to hitting the reset button, but up until now I had only tried performing the short reset function. Trying a long reset fixed my problem... I really need to learn to read the instructions before posting on here!
Great to know about the DHCP server being needed in order to connect the Yun directly to my computer. I'll store that away for the next time I have a need to get my computer and Yun onto the same network when wireless isn't an option.