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ÎÊÌâÊÇÕâÑùµÄ£¬±ÈÈçÎÒÏÖÔÚÔÚ/usrÏÂÓиöĿ¼softÐèÒªÈÃËüÿÌì×Ô¶¯Ñ¹Ëõ´ò°üµ½/opt/ftpµÄĿ¼Ï£¬Ó¦¸ÃÔõÑùŪ£¬ÓÐûÓа취¸úÔÚwindowsϵͳµÄÄǸöwinrarÒ»ÑùµÄʵÏÖ£¬Ã¿Ìì×Ô¶¯´ò°üѹËõ£¬È»ºóÒÔÎļþÃû¼Óµ±Ç°µÄʱ¼äÀ´ÃüÃûÕâ¸ö±¸·ÝÎļþ¡£×îºóÊÇÈçºÎÈÃÕâ¸ö½Å±¾Ã¿Ì춨ʱÔËÐУ¬¾ÍÊÇÀàËÆwindowsµÄ×Ô¶¯ÈÎÎñ¡£Ð»Ð»´ó¼Ò
crontab

write a shell script to tar the package and save to /opt/ftp
then in crontab set the script running every day

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°ÑÕâ¸öÎļþ±£´æ³Ébackup.sh
È»ºó chmod +x backup.sh

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ÔòÐÞ¸Ä/etc/crontabÎļþ ¼ÓÈëÏÂÃæÒ»¾ä(path¾ÍÊÇÄãbackup.shµÄ·¾¶)
00 10 * * * root /path/backup.sh > /dev/null 2>&1

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unix/linux ϵͳ×Ô¶¯»¯¹ÜÀí
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д¸öshellÎļþ
#!/bin/sh
date=`date +"%Y%m%d"`
tar -czvf /opt/ftp/soft_$date.tar.gz /usr/soft



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ÒýÓà 3 Â¥ steptodream µÄ»Ø¸´:
д¸öshellÎļþ
#!/bin/sh
date=`date +"%Y%m%d"`
tar -czvf /opt/ftp/soft_$date.tar.gz /usr/soft


ÕâÑùÊÇ¿ÉÒÔÁË  µ«ºÃÏñ´ò°üºóµÄÎļþÃû²»´øÊ±¼ä¡£Äܲ»ÄܰïÎÒÔÚ¿´¿´

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linux»·¾³ÏÂgethostbynameº¯ÊýÎÊÌâ - C/C++ / CÓïÑÔ

дÁ˸ö²âÊÔ³ÌÐòÈçÏÂ
   
  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

hp = gethostbyname("www.google.com");
if (hp)
{ ......

ÇóÒ»linuxÏ´®¿ÚÖжϵijÌÐò

ÐèÒªÔÚlinuxÏÂÓÃÖжϷ½Ê½À´Ð´Ò»¸ö´®¿ÚµÄ³ÌÐò£¬ÏÖÔÚûÓÐ˼·£¬ÍøÉÏÓÐÈË˵ÓÃselect,signal,taskletº¯ÊýµÄ£¬µ«ÊÇÎÒû¿´¶®£¬Ï£ÍûÓÐ×ö¹ýµÄ¸øÒ»ÏÂÀý³Ì£¬¶àл£¡

¾ÍÊÇÄܹ»µ±´®¿ÚÊý¾ÝÀ´ÁÙʱ×Ô¶¯Í¨Öª´®¿Ú¶ÁÈ¡Êý¾Ý£¬ÀàËÆÓÚÖÐ ......

linux gcc OCI ±àÒëÎÊÌâ

ÔÚlinuxÏ£¬ÔõÑù±àÒëOCIµÄ³ÌÐò£¿ËüµÄgccÖ¸ÁîÊÇʲô£¿ÎÒ´ÓÍøÉÏÕҵͼ²»ÄÜÓã¡»¹ÓУ¬ÎÒÔÚlinuxÓÃCÓëoracleÁ¬½Ó£¬ÎÒ¶¼ÐèÒª°²×°oralceµÄÄÄЩÈí¼þ£¿Ö»ÐèÒªoralceµÄ¿Í»§¶Ë£¬ÓëOCIµÄ¿âô£¿±ðµÄ»¹ÐèҪô£¿
Çë¸ßÊÖÖ¸½Ì£¡ ......

LinuxÏÂÂÒÂëÊÇÔõô»ØÊ£¬¼±£¡£¡£¡

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[root@localhost ~]# pstree
init鈹€鈹攢acpid
    鈹溾攢anacron
    鈹溾攢atd ......

linux nand driver

¸Õ¸Õ½Ó´¥linux²»¾Ã£¬ÏîÄ¿ÖÐÒªÓÃnand flash ÎÒÊÖÉϵÄ×ÊÁϺܶà¿ÉÊÇÈÃÎÒ¿´²»ÇåËûÃÇÖ®¼äµÄ¹ØÏµ£¬ÎÒÕûÀíһϳÂÊö£º
cpu  2440
os  linux 2.6.15
booterloader u-boot
nand flash sansung k9f1208 ......
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