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 ×îÐÂÎÄÕ : linux

linuxÏÂÐÔÄÜ·ÖÎö·½·¨ÊµÀý

ijһÌì,Ò»¸ö¿Í»§´òµç»°À´ÐèÒª¼¼Êõ°ïÖú,²¢±§Ô¹Æ½³£15Ãë¾Í¿ÉÒÔ´ò¿ªµÄÍøÒ³ÏÖÔÚÐèÒª20·ÖÖӲſÉÒÔ´ò¿ª.
¾ßÌåϵͳÅäÖÃÈçÏÂ:
RedHat Enterprise Linux 3 update 7
Dell 1850 Dual Core Xenon Processors, 2 GB RAM, 75GB 15K Drives
Custom LAMP software stack(Òë×¢:Llinux+apache+mysql+php »·¾³)
ÐÔÄÜ·ÖÎöÖ®²½Öè
1. Ê×ÏÈʹÓÃvmstat ²é¿´´óÖµÄϵͳÐÔÄÜÇé¿ö:
# vmstat 1 10
procs memory swap io system cpu
r b swpd free buff cache si so bi bo in cs us sy id wa
1 0 249844 19144 18532 1221212 0 0 7 3 22 17 25 8 17 18
0 1 249844 17828 18528 1222696 0 0 40448 8 1384 1138 13 7 65 14
0 1 249844 18004 18528 1222756 0 0 13568 4 623 534 3 4 56 37
2 0 249844 17840 18528 1223200 0 0 35200 0 1285 1017 17 7 56 20
1 0 249844 22488 18528 1218608 0 0 38656 0 1294 1034 17 7 58 18
0 1 249844 21228 18544 1219908 0 0 13696 484 609 559 5 3 54 38
0 1 249844 17752 18544 1223376 0 0 36224 4 1469 1035 10 6 67 17
1 1 249844 17856 18544 1208520 0 0 28724 0 950 941 33 12 49 7
1 0 249844 17748 18544 1222468 0 0 40968 8 1266 1164 17 ......

Linux curlʹÓüòµ¥½éÉÜ

CurlÊÇLinuxÏÂÒ»¸öºÜÇ¿´óµÄhttpÃüÁîÐй¤¾ß£¬Æ书ÄÜÊ®·ÖÇ¿´ó¡£
1) ¶ÁÈ¡ÍøÒ³
$ curl http://www.linuxidc.com
2) ±£´æÍøÒ³
$ curl http://www.linuxidc.com > page.html
$ curl -o page.html http://www.linuxidc.com
3) ʹÓõÄproxy·þÎñÆ÷¼°Æä¶Ë¿Ú£º -x
$ curl -x 123.45.67.89:1080 -o page.html http://www.linuxidc.com
4) ʹÓÃcookieÀ´¼Ç¼sessionÐÅÏ¢
$ curl -x 123.45.67.89:1080 -o page.html -D cookie0001.txt http://www.linuxidc.com
Õâ¸öoption: -D ÊÇ°ÑhttpµÄresponseÀïÃæµÄcookieÐÅÏ¢´æµ½Ò»¸öÌرðµÄÎļþÖÐÈ¥£¬
ÕâÑù£¬µ±Ò³Ãæ±»´æµ½page.htmlµÄͬʱ£¬cookieÐÅÏ¢Ò²±»´æµ½ÁËcookie0001.txtÀïÃæÁË
5£©ÄÇô£¬ÏÂÒ»´Î·ÃÎʵÄʱºò£¬ÈçºÎ¼ÌÐøʹÓÃÉÏ´ÎÁôϵÄcookieÐÅÏ¢ÄØ£¿
ʹÓÃoptionÀ´°ÑÉϴεÄcookieÐÅÏ¢×·¼Óµ½http requestÀïÃæÈ¥£º -b
$ curl -x 123.45.67.89:1080 -o page1.html -D cookie0002.txt -b cookie0001.txt http://www.linuxidc.com
6£©ä¯ÀÀÆ÷ÐÅÏ¢
$ curl -A "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)" -x 123.45.67.89:1080 -o page.html -D cookie0001.txt http://www.linuxidc.com
7£©referer
$ curl -A "Mozilla/4.0 (co ......

LinuxÏÂCÓïÑÔʵÏÖ×Ö·û´®×Ó´®Ìæ»»


    ÓÉÓÚLINUX
CûÓжÔ×Ö·û´®×Ó´®Ìæ»»¹¦ÄÜ,ËùÒÔÎÒ×Ô¼ºÐ´ÁËÒ»¸östr_replaceº¯Êý,ʵÏÖÁË×Ö·û´®Ìæ»».
Çë´ó¼Ò²Î¿¼.
/*
 * FUNCTION     : str_replace
 *
ABSTRACT     : replace child string in a string.
 *
PARAMETER    :
 *      
char* str          
the string that be replace
 *      
char* str_src       source string
 *      
char* str_des       destination string
 *
RETURN       :
 *      
0       OK
 *     
-1       FALSE
 * CREATE       : 2006-01-05   
ZHANG.J ......

LinuxÏÂCÓïÑÔʵÏÖ×Ö·û´®×Ó´®Ìæ»»


    ÓÉÓÚLINUX
CûÓжÔ×Ö·û´®×Ó´®Ìæ»»¹¦ÄÜ,ËùÒÔÎÒ×Ô¼ºÐ´ÁËÒ»¸östr_replaceº¯Êý,ʵÏÖÁË×Ö·û´®Ìæ»».
Çë´ó¼Ò²Î¿¼.
/*
 * FUNCTION     : str_replace
 *
ABSTRACT     : replace child string in a string.
 *
PARAMETER    :
 *      
char* str          
the string that be replace
 *      
char* str_src       source string
 *      
char* str_des       destination string
 *
RETURN       :
 *      
0       OK
 *     
-1       FALSE
 * CREATE       : 2006-01-05   
ZHANG.J ......

Linux Adobe Reader 9 ÏÔʾÖÐÎÄ£¨°²×°ÖÐÎÄÓïÑÔ°ü£©

        Ïë°²×°adobe reader£¬À´µ½¹Ù·½ÍøÕ¾ÏÂÔØÊÇ·¢ÏÖÓÐreader9,ËäÈ»ÊÇÓ¢ÎÄ°æµÄÏÂÏÂÀ´ÔÙ˵£¬½á¹û´ò²»¿ªÖÐÎÄÎĵµ£¬googleÁËÏ·¢ÏÖÕâôƪÎÄÕ½â¾öÁËÎÒµÄÎÊÌâ¡£²»´í£¬²»¹ýÄǸöÏÂÔØÖÐÎÄÎĵµµÄµØÖ·ÕâÀï¾ÀÕýÒ»ÏÂÊÇ£ºhttps://www.adobe.com/cn/products/acrobat/acrrasianfontpack.html
ά»¤Ô­´´£¡Ô­´´µØÖ·£ºhttp://blog.chinaunix.net/u3/111966/showart.php?id=2190318
Èç¹ûÄúÔÚLInuxÖа²×°ÁËAdobe Reader£¬µ«ÊÇÔÚ¿´ÖÐÎÄPDFÎÄÕÂÀÌáʾÕâÑùµÄ´íÎó£¬ÄDZ¾ÎÄ»òÐí¶ÔÄúÓÐÓã¡
the simplified chinese language support package is required to display this page properly
ÎÒÕÒÁË°ëÌ죬ûÓÐÕÒµ½Adobe Reader9µÄÖÐÎÄÓïÑÔ°ü£¬ÄÇôֻÄÜÄÃ8»òÕßÆäËûµÄÀ´ÓÃÓÃÁË£¬ºÇºÇ£¬½«¾Í½«¾Í°É£¬ÏÂÔصØַΪ£º
http://www.adobe.com/products/acrobat/acrrasianfontpack.html
ÏÂÔØÏÂÀ´ºó£¬½«Æä½âѹ£¬½âѹ³öÀ´ÓÐÈý¸ö.TAR°üºÍÁ½¸öÎļþ£¬ÆäÖÐINSTALLΪ°²×°½Å±¾£¬Èç¹ûûÓÐÖ´ÐÐȨÏÞ£¬¼ÓÉÏ£º
sudo chmod +x INSTALL
È»ºóÓÃgedit´ò¿ªÕâ¸öÎļþ£¬½«ÆäÖеÄAdobe Reader8ÐÞ¸ÄΪAdobe Reader9£¬±£´æ¡£
ÔÙ½«Èý¸ö.TAR°ü½âѹ³öÀ´£¬ÄÚ²¿µÄ·¾¶¶¼ÊÇÒ»ÑùµÄ£º
Adobe/Reader8/...
½âÑ ......

linux 2.4ÄÚºËÏ ΢ÃÑÓʱ

ÔÚx86 2.4ÄÚºËÏ usleep¡¢selectµÈÑÓʱº¯ÊýÎÞ·¨ÊµÏÖµÍÓÚ10msÑÓʱ
¶øÔÚÇý¶¯²ãÔÚioctrlÖÐͨ¹ýudelay¡¢mdelayµÈµÈʵÏÖÑÓʱҲÎÞ·¨¶à½ø³ÌͬʱÑÓʱ
ËùÒÔʵÏÖÈçÏÂÑÓʱº¯Êý Äܹ»ÊµÏÖµÍÓÚ10usÉõÖÁ1us µÄÑÓʱ
unsigned int uDelay(unsigned int delayTime)
{
static struct timeval _tstart, _tend;
static struct timezone tz;
double t,t1,t2;
int i;
gettimeofday(&_tstart, NULL);
t1 = (double)_tstart.tv_sec + (double)_tstart.tv_usec/(1000*1000);
for(i = 0;;i++)
{
gettimeofday(&_tend, NULL);
t2 = (double)_tend.tv_sec + (double)_tend.tv_usec/(1000*1000);

t = t2 - t1;
if(t > (double)delayTime/(1000*1000))
{
return 0;
}
sched_yield();
}

}
......

ÈçºÎÔÚLinuxʹÓÃEclipse + CDT¿ª·¢C/C++³ÌÐò?

A. ΪʲôҪÔÚLinuxʹÓÃEclipse¿ª·¢C/C++³ÌÐò?
LinuxÊÇÒ»¸öÒÔC/C++¿ª·¢ÎªÖ÷µÄƽ̨£¬ÎÞÂÛÊÇKernel»òÊÇApplication£¬Ö÷Òª¶¼Ê¹ÓÃC/C++¿ª·¢¡£´«Í³ÔÚLinuxÏ¿ª·¢³ÌÐò£¬ÊÇÔÚÎÄ×ÖģʽÏ£¬ÀûÓÃviµÈÎÄ×ֱ༭Æ÷׫дC/C++³ÌÐò´æÅ̺ó£¬ÔÚCommand lineÏÂʹÓÃgcc±àÒ룬ÈôÒªdebug£¬ÔòʹÓÃgdb¡£
ÕâÖÖ¿ª·¢·½Ê½Éú²úÁ¦²¢²»¸ß£¬ÈôÖ»ÊÇ¿ª·¢Ñ§Ï°ÓõÄС³ÌÐòÔòÓ°Ïì²»´ó£¬µ«ÈôÒª¿ª·¢´óÐÍÏîĿʱ£¬³ÌÐòµµ°¸¸öÊýÖڶ࣬ÐèÒªÓÃproject»òsolutionµÄ·½Ê½¹ÜÀí£»ÇÒdebugʱbreakpointµÄ¼ÓÈ룬µ¥²½Ö´ÐУ¬¹Û²ì±äÁ¿±ä»¯µÈ£¬¶¼ÐèÒª¸ü¿ÉÊÓ»¯µÄ·½Ê½²ÅÄܹ»Ôö¼ÓÉú²úÁ¦£»×îÖØÒªµÄ£¬ÓÉÓÚÏÖÔڵijÌÐòÓïÑԽԷdz£µÄÅÓ´ó£¬ÓÖÓи´Ôӵĺ¯Ê½¿â£¬Òª³ÌÐòÔ±Êì¼ÇËùÓеijÌÐòÓï·¨ºÍfunctionÃû³Æ£¬ÊµÔÚºÜÀ§ÄÑ£¬ËùÒÔÓï·¨Ìáʾ(Intellisense)µÄ¹¦Äܾͷdz£ÖØÒª£¬ÕâЩ¾Í±ØÐë¿¿IDEÀ´´ï³É¡£
ÔÚWindowsƽ̨ÉÏ£¬ÈôÒª¿ª·¢C/C++³ÌÐò£¬ÎÒÃÇÓÐMicrosoft Visual Studio¡¢Borland C++ Builder¿ÉÓã¬ÕâЩ¶¼ÊǺܺÃÓõÄIDE£¬µ«¿Éϧ½öÄÜÔÚWindowsÏÂʹÓ㬵«ÊÇÔÚLinuxƽ̨ÄØ?»ùÓÚÒÔÏÂÀíÓÉ£¬ÎÒÍƼöʹÓÃEclipse¿ª·¢C/C++³ÌÐò£º
1. EclipseÊÇÒ»¸öÓÃJavaËù׫дIDE£¬Òò´Ë¿É¿çƽ̨£¬ËùÒÔÔÚLinuxºÍWindowsƽ̨ϽԿÉʹÓÃEclipse£¬¿É½µµÍ³ÌÐòÔ±ÊìÎöIDEµÄѧϰÇúÏß¡£ ......

ÈçºÎÔÚLinuxʹÓÃEclipse + CDT¿ª·¢C/C++³ÌÐò?

A. ΪʲôҪÔÚLinuxʹÓÃEclipse¿ª·¢C/C++³ÌÐò?
LinuxÊÇÒ»¸öÒÔC/C++¿ª·¢ÎªÖ÷µÄƽ̨£¬ÎÞÂÛÊÇKernel»òÊÇApplication£¬Ö÷Òª¶¼Ê¹ÓÃC/C++¿ª·¢¡£´«Í³ÔÚLinuxÏ¿ª·¢³ÌÐò£¬ÊÇÔÚÎÄ×ÖģʽÏ£¬ÀûÓÃviµÈÎÄ×ֱ༭Æ÷׫дC/C++³ÌÐò´æÅ̺ó£¬ÔÚCommand lineÏÂʹÓÃgcc±àÒ룬ÈôÒªdebug£¬ÔòʹÓÃgdb¡£
ÕâÖÖ¿ª·¢·½Ê½Éú²úÁ¦²¢²»¸ß£¬ÈôÖ»ÊÇ¿ª·¢Ñ§Ï°ÓõÄС³ÌÐòÔòÓ°Ïì²»´ó£¬µ«ÈôÒª¿ª·¢´óÐÍÏîĿʱ£¬³ÌÐòµµ°¸¸öÊýÖڶ࣬ÐèÒªÓÃproject»òsolutionµÄ·½Ê½¹ÜÀí£»ÇÒdebugʱbreakpointµÄ¼ÓÈ룬µ¥²½Ö´ÐУ¬¹Û²ì±äÁ¿±ä»¯µÈ£¬¶¼ÐèÒª¸ü¿ÉÊÓ»¯µÄ·½Ê½²ÅÄܹ»Ôö¼ÓÉú²úÁ¦£»×îÖØÒªµÄ£¬ÓÉÓÚÏÖÔڵijÌÐòÓïÑԽԷdz£µÄÅÓ´ó£¬ÓÖÓи´Ôӵĺ¯Ê½¿â£¬Òª³ÌÐòÔ±Êì¼ÇËùÓеijÌÐòÓï·¨ºÍfunctionÃû³Æ£¬ÊµÔÚºÜÀ§ÄÑ£¬ËùÒÔÓï·¨Ìáʾ(Intellisense)µÄ¹¦Äܾͷdz£ÖØÒª£¬ÕâЩ¾Í±ØÐë¿¿IDEÀ´´ï³É¡£
ÔÚWindowsƽ̨ÉÏ£¬ÈôÒª¿ª·¢C/C++³ÌÐò£¬ÎÒÃÇÓÐMicrosoft Visual Studio¡¢Borland C++ Builder¿ÉÓã¬ÕâЩ¶¼ÊǺܺÃÓõÄIDE£¬µ«¿Éϧ½öÄÜÔÚWindowsÏÂʹÓ㬵«ÊÇÔÚLinuxƽ̨ÄØ?»ùÓÚÒÔÏÂÀíÓÉ£¬ÎÒÍƼöʹÓÃEclipse¿ª·¢C/C++³ÌÐò£º
1. EclipseÊÇÒ»¸öÓÃJavaËù׫дIDE£¬Òò´Ë¿É¿çƽ̨£¬ËùÒÔÔÚLinuxºÍWindowsƽ̨ϽԿÉʹÓÃEclipse£¬¿É½µµÍ³ÌÐòÔ±ÊìÎöIDEµÄѧϰÇúÏß¡£ ......

ÈçºÎÔÚLinuxʹÓÃEclipse + CDT¿ª·¢C/C++³ÌÐò?

A. ΪʲôҪÔÚLinuxʹÓÃEclipse¿ª·¢C/C++³ÌÐò?
LinuxÊÇÒ»¸öÒÔC/C++¿ª·¢ÎªÖ÷µÄƽ̨£¬ÎÞÂÛÊÇKernel»òÊÇApplication£¬Ö÷Òª¶¼Ê¹ÓÃC/C++¿ª·¢¡£´«Í³ÔÚLinuxÏ¿ª·¢³ÌÐò£¬ÊÇÔÚÎÄ×ÖģʽÏ£¬ÀûÓÃviµÈÎÄ×ֱ༭Æ÷׫дC/C++³ÌÐò´æÅ̺ó£¬ÔÚCommand lineÏÂʹÓÃgcc±àÒ룬ÈôÒªdebug£¬ÔòʹÓÃgdb¡£
ÕâÖÖ¿ª·¢·½Ê½Éú²úÁ¦²¢²»¸ß£¬ÈôÖ»ÊÇ¿ª·¢Ñ§Ï°ÓõÄС³ÌÐòÔòÓ°Ïì²»´ó£¬µ«ÈôÒª¿ª·¢´óÐÍÏîĿʱ£¬³ÌÐòµµ°¸¸öÊýÖڶ࣬ÐèÒªÓÃproject»òsolutionµÄ·½Ê½¹ÜÀí£»ÇÒdebugʱbreakpointµÄ¼ÓÈ룬µ¥²½Ö´ÐУ¬¹Û²ì±äÁ¿±ä»¯µÈ£¬¶¼ÐèÒª¸ü¿ÉÊÓ»¯µÄ·½Ê½²ÅÄܹ»Ôö¼ÓÉú²úÁ¦£»×îÖØÒªµÄ£¬ÓÉÓÚÏÖÔڵijÌÐòÓïÑԽԷdz£µÄÅÓ´ó£¬ÓÖÓи´Ôӵĺ¯Ê½¿â£¬Òª³ÌÐòÔ±Êì¼ÇËùÓеijÌÐòÓï·¨ºÍfunctionÃû³Æ£¬ÊµÔÚºÜÀ§ÄÑ£¬ËùÒÔÓï·¨Ìáʾ(Intellisense)µÄ¹¦Äܾͷdz£ÖØÒª£¬ÕâЩ¾Í±ØÐë¿¿IDEÀ´´ï³É¡£
ÔÚWindowsƽ̨ÉÏ£¬ÈôÒª¿ª·¢C/C++³ÌÐò£¬ÎÒÃÇÓÐMicrosoft Visual Studio¡¢Borland C++ Builder¿ÉÓã¬ÕâЩ¶¼ÊǺܺÃÓõÄIDE£¬µ«¿Éϧ½öÄÜÔÚWindowsÏÂʹÓ㬵«ÊÇÔÚLinuxƽ̨ÄØ?»ùÓÚÒÔÏÂÀíÓÉ£¬ÎÒÍƼöʹÓÃEclipse¿ª·¢C/C++³ÌÐò£º
1. EclipseÊÇÒ»¸öÓÃJavaËù׫дIDE£¬Òò´Ë¿É¿çƽ̨£¬ËùÒÔÔÚLinuxºÍWindowsƽ̨ϽԿÉʹÓÃEclipse£¬¿É½µµÍ³ÌÐòÔ±ÊìÎöIDEµÄѧϰÇúÏß¡£ ......
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