ipmitool: Could not open device at /dev/ipmi0 or /dev/ipmi/0 or /dev/ipmidev/0: No such file or directory

#ipmitool shell

ipmitool> chassis status
Could not open device at /dev/ipmi0 or /dev/ipmi/0 or /dev/ipmidev/0: No such file or directory
Error sending Chassis Status command

solution:

# modprobe ipmi_devintf

# modprobe ipmi_si