Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

linuxÖеÄÐźŽṹÌå

typedef struct siginfo
{
                int si_signo;            /* Signal number.*/
                int si_errno;            /* If non-zero, an errno value associated with this signal, as defined in <errno.h>.*/
                int si_code;             /* Signal code*/
                union
                {
                         int _pad[__SI_PAD_SIZE];
                         struct  /* kill().*/
                         {
                                     __pid_t si_pid;          /* Sending process ID.*/
                                     __uid_t si_uid;          /* Real user ID of sending process.*/
  &n


Ïà¹ØÎĵµ£º

linuxϰ²×°gd¿â²¢ÇÒÖ§³Ösocket

Ò»¡¢ÏÂÔØ
gd-2.0.33.tar.gz http://www.boutell.com/gd/
jpegsrc.v6b.tar.gz http://www.ijg.org/
libpng-1.2.7.tar.tar http://sourceforge.net/projects/libpng/
zlib-1.2.2.tar.gz http://sourceforge.net/projects/zlib/
freetype-2.1.9.tar.gz http://sourceforge.net/projects/freetype/
php-4.3.9.tar.g ......

linuxÄÚºË(2.6)ÖеÄ˫ѭ»·Á´±ídzÎö

       Linux 2.6ÄÚºËÁ´±íÊý¾Ý½á¹¹µÄʵÏÖ
ÔÚ¼ÆËã»ú¿ÆÑ§ÖУ¬Á´±íÊǷdz£Í¨ÓõÄÊý¾Ý½á¹¹£¬¹á´©ÓÚÕû¸ölinuxµÄÄںˡ£ÔÚlinuxÄÚºËÖУ¬Á´±íͨ³£ÒÔ
˫ѭ»·Á´±íµÄ·½Ê½³öÏÖ¡£ËùÓÐÁ´±íµÄ´úÂëÔÚinclude/linux/list.hÎļþÖС£
¶¨ÒåÈçÏ£º
struct list_head {
struct list_head *next, *prev;
}; ......

LinuxÏÂÎÞ·¨mount±¾»úIPµÄ½â¾ö·½·¨£º

 ÉèÖÃdsnºóËäÈ»ÐéÄâ»ú¿ÉÒÔÉÏÍøÁË£¬µ«ÊÇÓû§Ãû±ä³ÉÁËbogon£¬¶ø²»ÊÇ֮ǰµÄlocalhost£¬È¥µôDNSºóÖØÆôÐéÄâ»ú¾ÍÓÖ±ä³ÉÁËlocalhost
È»ºó¾Í¿ÉÒÔmount±¾»úÁË
»¹ÓÐÒ»ÖÖ·½·¨£º
hostname  ÏÔʾµ±Ç°Ö÷»úÃû
hostname localhost ÉèÖõ±Ç°Ö÷»úÃûΪlocalhost
¹À¼ÆÒ²¿ÉÒÔ½â¾öÉÏÊö²»ÄÜmountµÄÎÊÌâ¡£ ......

Linux 2.6 ÖеÄÎļþËø

»Æ Ïþ³¿
(huangxc@cn.ibm.com
), Èí¼þ¹¤³Ìʦ, IBM
·ë Èñ
(fengrui@cn.ibm.com
), Èí¼þ¹¤³Ìʦ, IBM
2008 Äê 7 ÔÂ 03 ÈÕ
±¾ÎĵÄÄ¿µÄÊÇÏë°ïÖú¶ÁÕßÀíÇå Linux 2.6ÖÐÎļþËøµÄ¸ÅÄîÒÔ¼°
Linux 2.6
¶¼ÌṩÁ˺ÎÖÖÊý¾Ý½á¹¹ÒÔ¼°¹Ø¼üµÄϵͳµ÷ÓÃÀ´ÊµÏÖÎļþËø£¬´Ó¶ø¿ÉÒÔ°ïÖú¶ÁÕ߸üºÃµØÊ¹ÓÃÎļþËøÀ´½â¾ö¶à¸ö½ø³Ì¶ÁÈ¡Í ......

Linux ÊÍ·ÅÄÚ´æ·½·¨


Linux ÊÍ·ÅÄÚ´æ·½·¨
ÏÈ¿´¿´ÄÚ´æÊ¹ÓÃ×´¿ö
[root@node1 ~]# free -m
total used free shared buffers cached
Mem: 8004 6557 1446 0 163 5630
-/+ buffers/cache: 763 7240
Swap: 1983 0 1983
°ÑÄÚ´æÀïµÄÊý¾ÝÔÝʱдµ½Ó²ÅÌÀï
[root@node1 ~]# sync
ÐÞ¸Ä /proc/sys/vm/drop_cachesÎļþ
[root@node1 ~]# echo 3 > ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ