colin@CNC-Machine:~$ linuxcnc LINUXCNC - 2.5.0 Machine configuration directory is '/home/colin/linuxcnc/configs/Colin_Mill' Machine configuration file is 'Colin_Mill.ini' Starting LinuxCNC... insmod: error inserting '/usr/realtime-2.6.32-122-rtai/modules/rtai_hal.ko': -1 Operation not permitted Realtime system did not load Shutting down and cleaning up LinuxCNC... RTAPI: ERROR: could not open shared memory (errno=2) /usr/bin/linuxcnc: line 428: 1895 Segmentation fault $HALCMD stop RTAPI: ERROR: could not open shared memory (errno=2) /usr/bin/linuxcnc: line 428: 1896 Segmentation fault $HALCMD unload all RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) RTAPI: ERROR: could not open shared memory (errno=2) ERROR: Module hal_lib does not exist in /proc/modules ERROR: Module rtapi does not exist in /proc/modules ERROR: Module rtai_math does not exist in /proc/modules ERROR: Module rtai_sem does not exist in /proc/modules ERROR: Module rtai_fifos does not exist in /proc/modules ERROR: Module rtai_sched does not exist in /proc/modules ERROR: Module rtai_hal does not exist in /proc/modules Cleanup done LinuxCNC terminated with an error. You can find more information in the log: /home/colin/linuxcnc_debug.txt and /home/colin/linuxcnc_print.txt as well as in the output of the shell command 'dmesg' and in the terminal colin@CNC-Machine:~$