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[root@localhost /]# shutdown [-tÃë] [-arkhcncfF] [ʱ¼ä] [ÌáʾÐÅÏ¢]
[root@localhost /]# shutdown -h 10 'I will shutdown after 10 mins'
-t sec : -t ºó¼ÓÃëÊý£¬¼´‘¹ý¼¸ÃëÖÓºó¹Ø»ú’µÄÒâ˼¡£
-k : ²»ÒªÕæµÄ¹Ø»ú£¬Ö»ÊÇ·¢ËÍÌáʾÐÅÏ¢¡£
-r : ÔÚ½«ÏµÍ³µÄ·þÎñ¹ØµôÖ®ºó¾ÍÖØÐÂÆô¶¯¡£
-h : ÔÚ½«ÏµÍ³µÄ·þÎñ¹ØµôÖ®ºó¾Í¹Ø»ú¡£
-n : ²»Òª½ø¹ýinit³ÌÐò£¬Ö±½ÓÒÔshutdown¹Ø»ú¡£
-f : ¹Ø»ú²¢Æô¶¯ºó£¬Ç¿ÖÆÂÔ¹ýfsckµÄ´ÅÅ̼ì²é
-F : ÏµÍ³ÖØÐÂÆô¶¯ºó£¬Ç¿ÖƽøÐÐfsckµÄ´ÅÅ̼ì²é
-c : È¡ÏûÒѾ­ÔÚ½øÐеÄshutdownÃüÁî·û
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[root@localhost /]#shutdown -h now
ϵͳÔÚ½ñÌìµÄ20:25¹Ø»ú
[root@localhost /]#shutdown -h 20:25
ϵͳÔÙ¹ý10·ÖÖÓºóÖØÐÂÆô¶¯
[root@localhost /]#shutdown -h +10
ϵͳÁ¢¼´ÖØÐÂÆô¶¯
[root@localhost /]#shutdown -r now
ÔÙ¹ý30·ÖÖÓϵͳ»áÖØÐÂÆô¶¯£¬²¢ÏÔʾºóÃæµÄÐÅÏ¢
[root@localhost /]#shutdown -r +30 'The system will reboot'
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[root@localhost /]#shutdown -r +30 'The system will reboot' 


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linux 0.11 ÄÚºËѧϰ fcntl.c


/*
 *  linux/fs/fcntl.c
 *
 *  (C) 1991  Linus Torvalds
 */
#include <string.h>
#include <errno.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <asm/segment.h>
#include <fcntl.h>
#include <sys/stat. ......

unbuntu linux bugzillaÅäÖùý³Ì

ÔÚvmϰ²×°unbuntu linux server 9.04
°²×°Íê³É ²é¿´IPµØÖ· ifconfig
°²×°telnet sudo apt-get install xinetd telnetd
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°²×°FTP sudo apt-get install vsftpd
ͬÑù²»ÐèÒªÅäÖà ʹÓÃĬÈϵÄftp:ftpÓû§·ÃÎÊ
mysql
  sudo apt-get install mysql-server
apac ......

ÔöÇ¿Linux/Unix·þÎñÆ÷ϵͳ°²È«ÐÔ½éÉÜ


¡¡ÖÚËùÖÜÖª£¬ÍøÂ簲ȫÊÇÒ»¸ö·Ç³£ÖØÒªµÄ¿ÎÌ⣬¶ø·þÎñÆ÷ÊÇÍøÂ簲ȫÖÐ×î¹Ø¼üµÄ»·½Ú¡£Linux±»ÈÏΪÊÇÒ»¸ö±È½Ï°²È«µÄInternet·þÎñÆ÷£¬×÷ΪһÖÖ¿ª·ÅÔ´´úÂë²Ù×÷ϵͳ£¬Ò»µ©LinuxϵͳÖз¢ÏÖÓа²È«Â©¶´£¬InternetÉÏÀ´×ÔÊÀ½ç¸÷µØµÄÖ¾Ô¸Õß»áÓ»Ô¾ÐÞ²¹Ëü¡£È»¶ø£¬ÏµÍ³¹ÜÀíÔ±ÍùÍù²»Äܼ°Ê±µØµÃµ½ÐÅÏ¢²¢½øÐиüÕý£¬Õâ¾Í¸øºÚ¿ÍÒԿɳËÖ®»ú¡£È»¶ø ......

linux ssh ÎÞÃÜÂëµÇ½

ʹÓÃÒ»ÖÖ±»³ÆÎª"¹«Ë½Ô¿"ÈÏÖ¤µÄ·½Ê½À´½øÐÐsshµÇ¼. "¹«Ë½Ô¿"ÈÏÖ¤·½Ê½¼òµ¥µÄ½âÊÍ:Ê×ÏÈÔÚ¿Í»§¶ËÉÏ´´½¨Ò»¶Ô¹«Ë½Ô¿ £¨¹«Ô¿Îļþ£º~/.ssh/id_rsa.pub£» ˽ԿÎļþ£º~/.ssh/id_rsa£©
È»ºó°Ñ¹«Ô¿·Åµ½·þÎñÆ÷ÉÏ£¨~/.ssh/authorized_keys£©, ×Ô¼º±£ÁôºÃ˽Կ.ÔÚʹÓÃsshµÇ¼ʱ,ssh³ÌÐò»á·¢ËÍ˽ԿȥºÍ·þÎñÆ÷ÉϵĹ«Ô¿×öÆ¥Åä.Èç¹ûÆ¥Åä³É¹¦¾Í¿ ......

LinuxÏ´´½¨Îļþ

ÊÔÒ»ÊÔ£¬ÆäʵºÜ¼òµ¥µÄ¡£
mkdir -m 775 filename
-m : ÉèÖÃÎļþµÄȨÏÞ¡£Ö±½ÓÉèÖ㬲»ÐèҪĬÈÏȨÏÞ¡£
[root@localhost home]# mkdir text1
[root@localhost home]# mkdir -m 777 text2
[root@localhost home]# ls -l
drwxr-xr-x 2 root root 4096 2010-1-19 08:03 text1
drwxrwxrwx 2 root root 4096 2010-1-19 08:04 ......
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