Rudder

[root@node ~]# free -m
             total       used       free     shared    buffers     cached
Mem:          3824       3798         25          0          0         13
-/+ buffers/cache:       3784         39
Swap:         2047       2047          0

[root@node ~]# ps wwwuax | grep cf-|wc -l
5988

[root@node ~]# kill -9 `ps wwwuax | grep cf- | awk '{ print $2 }'`
-bash: kill: (8484) - No such process

[root@node ~]# ps wwwuax | grep cf-|wc -l
5

[root@node ~]# free -m
             total       used       free     shared    buffers     cached
Mem:          3824        344       3479          0          2        188
-/+ buffers/cache:        153       3670
Swap:         2047         61       1986