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sk_buff ÖÐÓÐÈý²¿·ÖЭÒéÍ··Ö±ðÃüÃûΪ¡°h,nh,mac¡±
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alarm£¨ÉèÖÃÐźŴ«ËÍÄÖÖÓ£©  
Ïà¹Øº¯Êý   signal£¬sleep
±íÍ·Îļþ   #include<unistd.h>
¶¨Ò庯Êý   unsigned int alarm(unsigned int seconds);
º¯Êý˵Ã÷   alarm()ÓÃÀ´ÉèÖÃÐźÅSIGALRMÔÚ¾­¹ý²ÎÊýsecondsÖ¸¶¨µÄÃëÊýºó´«Ë͸øÄ¿Ç°µÄ½ø³Ì¡£Èç¹û²ÎÊýseconds Ϊ0£ ......

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apr-1.4.2£¬ÏÂÔØµØÖ·£ºhttp://archive.apache.org/dist/apr/
apr-util-1.3.9£¬ÏÂÔØµØÖ·£ºhttp://archive.apache.org/dist/apr/
apache£¨httpd-2.2.9£©£¬ÏÂÔØµØÖ·£ºhttp://archive.apache.org/dist/httpd/
SQLite-2.6.23.1£¬ÏÂÔØµØÖ·£ºhttp://www.sqlite.org/
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http://freeglad.javaeye.com/blog/586444
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backup.sh
rq=`date '+%Y%m%d%H%M'`
su - oracle -c "exp zjhk/zjhk_123 owner=zjhk file=/home/oracle/zjhk_$rq.dmp"
cronÊÇÒ»¸ölinuxÏµĶ¨Ê±Ö´Ðй¤¾ß£¬¿ÉÒÔÔÚÎÞÐèÈ˹¤¸ÉÔ¤µÄÇé¿öÏÂÔËÐÐ×÷Òµ¡£ÓÉÓÚCron ÊÇLinuxµÄÄÚÖ÷þÎñ£¬µ«Ëü²»×Ô¶ ......

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