From Console
enable
config t
hostname xxxxx
username admin priv 15 password xxxxxx
Vlan 20
int Vlan 20
ip address x.x.x.x 255.255.255.0
Int G2
switch port mode trunk
switch port trunk allowed vlan ALL
shut
no shut (Needed to bring the interface up)
WLC Basic Setup
Country
NTP server (remember to press +)
Management Interface
Skip SSID
Certificate 2048 SHA1 password
AP username and Password.