stderr output from "/usr/bin/sensors": No sensors found! Make sure you loaded all the kernel drivers you need. Try sensors-detect to find out which these are. /dev/sda: Warning: sfdisk version is too old and sgdisk is not available /dev/sdb: Warning: sfdisk version is too old and sgdisk is not available /dev/sdc: Warning: sfdisk version is too old and sgdisk is not available /dev/sdd: Warning: sfdisk version is too old and sgdisk is not available