[user@localhost build]$ hackrf_info
libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/001/009: Permission denied
libusb: error [_get_usbfs_fd] libusb requires write access to USB device nodes.
Found HackRF board 0:
libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/001/009: Permission denied
libusb: error [_get_usbfs_fd] libusb requires write access to USB device nodes.
hackrf_open() failed: HACKRF_ERROR_LIBUSB (-1000)
[user@localhost build]$ cd
[user@localhost ~]$ which hackrf_info
/usr/local/bin/hackrf_info
[user@localhost ~]$ sudo /usr/local/bin/hackrf_info
Found HackRF board 0:
hackrf_open() failed: HACKRF_ERROR_LIBUSB (-1000)
[user@localhost ~]$ sudo -i
[root@localhost ~]# export LIBUSB_DEBUG=3
[root@localhost ~]# ./hackrf_info
-bash: ./hackrf_info: No such file or directory
[root@localhost ~]# /usr/local/bin/hackrf_info
libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/001/010: Broken pipe
Found HackRF board 0:
libusb: error [_get_usbfs_fd] libusb couldn't open USB device /dev/bus/usb/001/010: No such device
hackrf_open() failed: HACKRF_ERROR_LIBUSB (-1000)
[root@localhost ~]#