#SOL
ipmitool -U [username] -I lanplus -H [hostname] sol activate


eg

ipmitool -I lan -H 10.20.30.110 -U ADMIN -a chassis power status
Password: 
Chassis Power is on


root@vpn:~# ipmitool -I lan -H 10.20.30.111 -U ADMIN -a chassis power on