I have an Angstrom Linux device acting as an access point, running hostapd, dhcpd, which works fine. Can I get a list of devices connected to the Wi-Fi? I know I can get the DHCP leases, but I need to know which devices connect through wlan0. I’ve tried this (iwlist has options):
I’m trying to find the speed of a network interface using a file descriptor. It’s easy to do it for ethX, just calling cat /sys/class/net/eth0/speed. Unfortunately, this method doesn’t work with wireless interfaces. When I call /sys/class/net/wlan0/speed I get an error: invalid argument.
I can’t figure out how to properly bring up the wi-fi card on my laptop. When I turn it on and issue
If I try to set up a hotspot in GNOME, I get the following message:
I know this question is similar to “Udev : renaming my network interface“, but I do not consider it a duplicate because my interface is not named via a udev rule, and none of the other answers in that question worked for me.