The syntax should be:
ipmitool -H <hostname/IP> -I lanplus -U <username> -P <password> chassis power status
^ just for clarity this is a capitol i, not a lower case l
The syntax should be:
ipmitool -H <hostname/IP> -I lanplus -U <username> -P <password> chassis power status
^ just for clarity this is a capitol i, not a lower case l