hallo nadat ik deze guide heb gevolgd
http://www.tecmint.com/install…n-rhel-centos-and-fedora/
krijg ik dit als ik iotop uitvoer 
[root@server1 ~]# iotop
Traceback (most recent call last):
File "/usr/bin/iotop", line 16, in <module>
main()
File "/usr/lib/python2.6/site-packages/iotop/ui.py", line 541, in main
main_loop()
File "/usr/lib/python2.6/site-packages/iotop/ui.py", line 531, in <lambda>
main_loop = lambda: run_iotop(options)
File "/usr/lib/python2.6/site-packages/iotop/ui.py", line 446, in run_iotop
return curses.wrapper(run_iotop_window, options)
File "/usr/lib64/python2.6/curses/wrapper.py", line 43, in wrapper
return func(stdscr, *args, **kwds)
File "/usr/lib/python2.6/site-packages/iotop/ui.py", line 437, in run_iotop_window
taskstats_connection = TaskStatsNetlink(options)
File "/usr/lib/python2.6/site-packages/iotop/data.py", line 113, in __init__
self.family_id = controller.get_family_id('TASKSTATS')
File "/usr/lib/python2.6/site-packages/iotop/genetlink.py", line 54, in get_family_id
m = self.conn.recv()
File "/usr/lib/python2.6/site-packages/iotop/netlink.py", line 190, in recv
raise err
OSError: Netlink error: No such file or directory (2)
[root@server1 ~]#
weet iemand van jullie wat dat betkent en zoja hoe je het kan oplossen 
