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mysql·þÎñÆ÷×îºÃÊǰ´ÆäÕý³£µÄ³ÌÐò¹Ø±Õ£¬¶ø²»ÊÇÓÃpkill mysqld »òkillall mysqld
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1. kill
killµÄÓ¦ÓÃÊǺÍps »òpgrep ÃüÁî½áºÏÔÚÒ»ÆðʹÓõģ»
kill µÄÓ÷¨£º
kill £ÛÐźŴúÂë£Ý    ½ø³ÌID
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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
À´²é¿´£»
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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linux redhat 5.0 ÍøÒ³ÖÐÎÄ×ÖÌåÂÒÂë

1. linux ͼÐλ¯½çÃæÂÒÂ룬һ°ãÊÇÒòΪûÓа²×°ÖÐÎÄ×ÖÌåµ¼Ö£¬¿ÉÒÔÔÚÖն˲éѯÒѾ­°²×°µÄ×ÖÌå  rpm -qa | grep fonts
    Èç¹ûûÓÐfont-chinese£¬¿ÉÒÔÏÂÔØ»ò´Ó°²×°ÅÌÖÐÕÒµ½ fonts-chinese-3.02-12.el5.noarch.rpm °²×°¼´¿É¡£
2. Ô¶³ÌÁ¬½ÓÖÐÎÄÂÒÂ룺
vi /etc/sysconfig/i18n
½«ÄÚÈݸÄΪ
LANG="zh_CN. ......

LinuxÃüÁî find grep vim²å¼þ

linux find ÃüÁîʹÓÃ
-name Ñ¡Ïî
ÎļþÃûÑ¡ÏîÊÇfindÃüÁî×î³£ÓõÄÑ¡ÏҪôµ¥¶ÀʹÓøÃÑ¡ÏҪôºÍÆäËûÑ¡ÏîÒ»ÆðʹÓá£
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$ find . -name "[A-Z]*" -print
ÏëÒªÔÚ/etcĿ¼Öв ......

fork compare to exec in linux c program

pid_t  pid=fork()
it has 3 situation for the return result pid
0  child
>0 parent process
<0 fork fail
fork create a new process  and it parent live alse when the child process had been created ......

Linux C ʵÏÖÏ̳߳Ø

×î½ü×öµÄһЩ¹¤×÷ÐèÒªÓõ½Ï̳߳ؼ¼Êõ£¬Òò´Ë²Î¿¼ÁËһЩ×ÊÁϺÍÊé¼®£¬Èç¡¶0bug c/c++ÉÌÓù¤³ÌÖ®µÀ¡·¡£
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1.struct  thread_pool_t    // thread pool µÄʵÏÖ´úÂë
2.struct thread_pool_token_t  &nb ......
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