Boot Centos 6.x Live cd
Get online and set resolvers
vi /etc/resolv.conf add: nameserver 8.8.8.8
ifconfig eth0 inet 1.1.1.2 netmask 255.255.255.0; route add default gw 1.1.1.1; ping google.com
In another tab do:
yum -y install ipmitool
It may get disconnected in the middle, watch google ping, then redo ifconfig statement above.
then do this:
modprobe ipmi_devintf
modprobe ipmi_si
ipmitool user set name 2 root
ipmitool user set password 2 <PASSWORDHERE>
1st ipmi line resets user name to root
2nd ipmi line resets user #2 password