Re: RPi3 and using a USB wifi adaptor

[alarm@alarmpi ~]$ ifconfig
eth0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        ether b8:27:eb:7c:23:1c  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 166  bytes 13150 (12.8 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 166  bytes 13150 (12.8 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.77.1  netmask 255.255.255.0  broadcast 192.168.77.255
        inet6 fe80::ba27:ebff:fe29:7649  prefixlen 64  scopeid 0x20<link>
        ether b8:27:eb:29:76:49  txqueuelen 1000  (Ethernet)
        RX packets 406  bytes 57305 (55.9 KiB)
        RX errors 0  dropped 5  overruns 0  frame 0
        TX packets 210  bytes 35526 (34.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[alarm@alarmpi ~]$ iwconfig
wlan0     IEEE 802.11bgn  Mode:Master  Tx-Power=1496 dBm
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on

lo        no wireless extensions.

eth0      no wireless extensions.

wlan1     IEEE 802.11bgn  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=0 dBm
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off