una ~ # ps -ef|egrep "*d$"或"[a-z]d"               //查看现有的服务器上都有哪些服务器进程.

root 3509 1 0 2014 ? 00:10:48 /usr/sbin/ntpd -p /var/run/ntpd.pid

root 3784 1 0 2014 ? 00:08:13 /usr/sbin/nscd    //dns缓存.

root 3857 1 0 2014 ? 00:00:54 /usr/sbin/sshd

root 4631 1 0 2014 ? 02:30:20 /usr/sbin/gmond --pid-file=/var/run/gmond.pid