ctp认证权限

现象：

/sys/firmware/dmi/tables/smbios_entry_point: Permission denied
/dev/mem: Permission denied
/sys/firmware/dmi/tables/smbios_entry_point: Permission denied
/dev/mem: Permission denied

解决命令：

sudo chmod 755 /sys/firmware/dmi/tables/smbios_entry_point
sudo chmod 755 /dev/mem
sudo chmod 755 /sys/firmware/dmi/tables/DMI