pi@raspberrypi ~ $ sudo ip addr show | grep inet
inet 127.0.0.1/8 scope host lo
inet 1AA.XXX.YYY.ZZZ/24 brd 192.168.1.255 scope global wlan0
Then you can log in from another computer:
uki@.. $ ssh pi@1AA.XXX.YYY.ZZZ
pi@1AA.XXX.YYY.ZZZ's password:
Linux raspberrypi 3.6.11+ .. yada, yada..