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1. kill
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[root@localhost ~]# ps auxf |grep httpd
root 4939 0.0 0.0 5160 708 pts/3 S+ 13:10 0:00 \_ grep httpd
root 4830 0.1 1.3 24232 10272 ? Ss 13:02 0:00 /usr/sbin/httpd
apache 4833 0.0 0.6 24364 4932 ? S 13:02 0:00 \_ /usr/sbin/httpd
apache 4834 0.0 0.6 24364 4928 ? S 13:02 0:00 \_ /usr/sbin/httpd
apache 4835 0.0 0.6 24364 4928 ? S 13:02 0:00 \_ /usr/sbin/httpd
apache 4836 0.0 0.6 24364 4928 ? S 13:02 0:00 \_ /usr/sbin/httpd
apache 4840 0.0 0.6 24364 4928 ? S 13:02 0:00 \_ /usr/sbin/httpd
ÎÒÃDz鿴httpd ·þÎñÆ÷µÄ½ø³Ì£»ÄúÒ²¿ÉÒÔÓÃpgrep -l httpd
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ÎÒÃÇ¿´ÉÏÃæÀý×ÓÖеĵڶþÁУ¬¾ÍÊǽø³ÌPIDµÄÁУ¬ÆäÖÐ4830
ÊÇhttpd·þÎñÆ÷µÄ¸¸½ø³Ì£¬´Ó4833£­4840µÄ½ø³Ì¶¼ÊÇËü4830µÄ×Ó½ø³Ì£»Èç¹ûÎÒÃÇɱµô¸¸½ø³Ì4830µÄ»°£¬ÆäϵÄ×Ó½ø³ÌÒ²»á¸ú×ÅËÀµô£»
[root@localhost ~]# kill 4840 ×¢£ºÉ±µô4840Õâ¸ö½ø³Ì£»
[root@localhost ~]# ps -auxf |grep httpd ×¢£º²é¿´Ò»Ï»áÓÐʲô½á¹û£¿ÊDz»ÊÇhttpd·þÎñÆ÷ÈÔÔÚÔËÐУ¿
[root@localhost ~]# kill 4830 ×¢£ºÉ±µôhttpdµÄ¸¸½ø³Ì£»
[root@localhost ~]# ps -aux |grep httpd ×¢£º²é¿´httpdµÄÆäËü×Ó½ø³ÌÊÇ·ñ´æÔÚ£¬httpd·þÎñÆ÷ÊÇ·ñÈÔÔÚÔËÐУ¿
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