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

Linux¶¨Ê±Æ÷——setitimer()

setitimer()ÊDZȽϾ«×¼µÄ¶¨Ê±Æ÷£¬ÊÇLinuxµÄAPI
ÒÔÏ´úÂëÊǸöµ¹¼ÆÊ±Àý×Ó£º
#include <signal.h>
#include <sys/time.h>
static int time_count=30;
static void sigalrm_handler(int sig)
{
time_count--;
printf("timer signal.. %d\n", time_count);
}
struct itimerval v; //¶¨Ê±Æ÷½á¹¹Ìå
time_count=10; //Ôٴγõʼ»¯
signal(SIGALRM, sigalrm_handler);//°ó¶¨Ðźź¯Êý
v.it_value.tv_sec=1;
v.it_value.tv_usec=0;
v.it_interval.tv_sec=1;//¼ä¸ô1s
v.it_interval.tv_usec=0;
setitimer(ITIMER_REAL,&v,NULL); //½á¹¹Ì幨Áª£¬start
...
...
//=========½áÊø´Ë¶¨Ê±Æ÷=====================
v.it_value.tv_sec=0;
v.it_value.tv_usec=0;
v.it_interval.tv_sec=0;
v.it_interval.tv_usec=0;
setitimer(ITIMER_REAL,&v,NULL);

Ô­Àí¼ÈÊÇ 1s·¢ËÍSIGALRMÐźÅÒ»´Î£¬½«ÆäÖµÖÃÁ㼴Ϊ¹Ø±Õ£¬²»ÔÚ·¢ËÍÐźÅ


Ïà¹ØÎĵµ£º

»ùÓÚǶÈëʽLinuxµÄÊÓÆµÍ¼Ïñ²É¼¯Óë´«Êä

 
ÕªÒª:ÊÓÆµÍ¼Ïñ²É¼¯¼°´¦Àí¼¼ÊõÔÚÔ¶³ÌÊÓÆµ¼à¿ØºÍ¿ÉÊӵ绰ÖÐÓÐ׏㷺µÄÓ¦ÓÃǰ¾°£¬Çý¶¯ÊÓÆµ²É¼¯É豸ºÍ»ñÈ¡ÊÓÆµÊý¾Ý²¢½øÐÐÏàÓ¦µÄ´¦Àí£¬ÊÇʵÏÖÕâЩӦÓõĻù´¡¡£Õë¶ÔÕâЩӦÓ㬹¹½¨ÁËÒ»¸ö»ùÓÚǶÈëʽ LinuxºÍ PXA270΢´¦ÀíÆ÷µÄÊÓÆµ²É¼¯Óë´«Êäϵͳ£¬ÀûÓà Video4LinuxʵÏÖ USBÉãÏñÍ·ÊÓÆµÊý¾Ý²É¼¯£¬²É¼¯µÄÊÓÆµÊý¾Ý¾­ JPEGѹËõº ......

LinuxÏÂtarÃüÁîʵÓòÎÊý¼ò½â

tar
-c: ½¨Á¢Ñ¹Ëõµµ°¸
-x£º½âѹ
-t£º²é¿´ÄÚÈÝ
-r£ºÏòѹËõ¹éµµÎļþĩβ׷¼ÓÎļþ
-u£º¸üÐÂԭѹËõ°üÖеÄÎļþ
ÕâÎå¸öÊǶÀÁ¢µÄÃüÁѹËõ½âѹ¶¼ÒªÓõ½ÆäÖÐÒ»¸ö£¬¿ÉÒԺͱðµÄÃüÁîÁ¬Óõ«Ö»ÄÜÓÃÆäÖÐÒ»¸ö¡£ÏÂÃæµÄ²ÎÊýÊǸù¾ÝÐèÒªÔÚѹËõ»ò½âѹµµ°¸Ê±¿ÉÑ¡µÄ¡£
-z£ºÓÐgzipÊôÐÔµÄ
-j£ºÓÐbz2ÊôÐÔµÄ
-Z£ºÓÐcompressÊôÐ﵀ ......

LinuxÖ÷»ú¼à¿Ø¹¤¾ßmunin monit ntop

À´Ô´£ºhttp://linux.chinaunix.net/ebook/doc/2009/09/17/1135830.shtml
±¾ÎĽéÉÜÔÚcentos 5.x»·¾³ÏÂͨ¹ýyumÔ´µÄÀ©Õ¹Ê¹ÓÃmunin¡¢ monit¡¢ntop¹¤¾ßÀ´¼à¹ÜÄãµÄÓ¦ÓóÌÐòºÍ·þÎñÆ÷¡£ÌâΪÀÁÈË˵˵µÄÊǼò±ãµÄ°²×°·½Ê½¶øÒÑ£¬½«Ç¿´óµÄ¹¦ÄÜÅäÖüòµ¥µÄÓ¦ÓÃÆðÀ´ÊǺÜÖØÒªµÄ£¬¿ÉÒÔ½Úʡʱ¼ä²¢Ìá¸ßЧÂÊ¡£
Monit£ºhttp:#www.tildeslas ......

LinuxϵͳÉϼÜÉèVSFTP·þÎñÆ÷ʵÀý½âÎö

     
ʵÑé»·¾³£ºAS4×îС»¯°²×°
ʵÑéÄ¿±ê£º¼ÜÉèVSFTP·þÎñÆ÷
Õâ´ÎÎÒÃÇÀ´Ñ§Ï°LinuxϵͳÖÐµÄ vsftp·þÎñÆ÷µÄÅäÖá£
ÏÂÃæÎÒÃÇ¿ªÊ¼ÁË£¡Ê×ÏÈÎÒÃǰ²×°vsftp·þÎñÆ÷¶ËµÄÈí¼þ¡£
vsftpd·þÎñÆ÷µÄ°²×°ÎļþλÓÚµÚ1ÕŰ²×°¹âÅÌÖС£
ʹÓÃrpmÃüÃû¿É˳Àû°²×°¸ÃÈí¼þ°ü¡£
# rpm -ivh vsftpd-2.0.1-5.i386.r ......

linuxÏÂBRITEµÄ°²×°

ÎÒÓõÄJava°æ±¾Îª1.4£¬ÓÃ1.5µÄʱºò˵ÊÇÓв»°²È«µÄ²Ù×÷£¬ÎÞ·¨±àÒë¡¢ÔËÐС£
ÏÂÔØ×îа汾£¬BRITE.tar.gz
  $ gunzip BRITE.tar.gz
  $ tar xvf BRITE.tar
  $ cd BRITE/    
  $ make all 
±àÒëÍê³É£¬ÔËÐÐBRITE
  $ ./brite &    
Ö÷ÒªµÄÎÊÌâ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ