[root@yufei ~]# kill -15 3879
[root@yufei ~]# ps auxf |grep httpd
root 3895 0.0 0.0 2644 168 pts/0 D+ 22:29 0:00 \_ grep httpd
我们再启动httpd服务
[root@yufei ~]# service httpd start
Starting httpd: [ OK ]
[root@yufei ~]# ps auxf |grep httpd
root 3920 0.0 0.3 103228 860 pts/0 S+ 22:30 0:00 \_ grep httpd
root 3909 0.2 4.1 281892 10220 ? Ss 22:30 0:00 /usr/sbin/httpd
apache 3911 0.0 2.2 281892 5548 ? S 22:30 0:00 \_ /usr/sbin/httpd
apache 3912 0.0 2.2 281892 5548 ? S 22:30 0:00 \_ /usr/sbin/httpd
apache 3913 0.0 2.2 281892 5548 ? S 22:30 0:00 \_ /usr/sbin/httpd
apache 3914 0.0 2.2 281892 5548 ? S 22:30 0:00 \_ /usr/sbin/httpd
apache 3915 0.0 2.2 281892 5548 ? S 22:30 0:00 \_ /usr/sbin/httpd
apache 3916 0.0 2.2 281892 5548 ? S 22:30 0:00 \_ /usr/sbin/httpd
apache 3917 0.0 2.2 281892 5548 ? S 22:30 0:00 \_ /usr/sbin/httpd
apache 3918 0.0 2.2 281892 5548 ? S 22:30 0:00 \_ /usr/sbin/httpd
[root@yufei ~]# kill -1 3909