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 ×îÐÂÎÄÕ : linux

ÔÚLinuxÉϽ»²æ±àÒëpppd 2.4.4

ÔÚLinuxÉϽ»²æ±àÒëpppd 2.4.4
1. ÏÂÔØpppd 2.4.4µÄÔ´´úÂë
ftp://ftp.samba.org/pub/ppp/
2. Ö±½Ó±àÒë
#./configure
#make clean
#make
3. ½»²æ±àÒë
ÐÞ¸Ä./pppd-2.4.4/pppd/Makefile, ×¢ÊÍÁ½ÐУº
#wenxy comment #LIBS    += -lpcap
#wenxy comment #CFLAGS  += -DPPP_FILTER
cross compile
#make CC=/opt/bcm97405/toolchains/crosstools_hf-linux-2.6.18.0_gcc-4.2-10ts_uclibc-nptl-0.9.29-20070423_20080721/bin/mipsel-linux-gcc -I/opt/bcm97405/kernel/stblinux-2.6.18
......

The Linux Kernel Module Programming Guide±Ê¼Ç

1¡¢Í¨¹ýlsmodÀ´»ñµÃÄÚºËÒѼÓÔØÁËÄÇЩģ¿é£¬Õâ¸öÃüÁîÊǶÁÈ¡/proc/modulesÎļþµÄÄÚÈÝÀ´»ñµÃÐÅÏ¢µÄ¡£
 
2¡¢ÄÚºËÄ£¿é¹ÜÀíÊØ»¤½ø³ÌkmodÖ´ÐÐmodprobeÈ¥¼ÓÔØÄÚºËÄ£¿é¡£modprobeµÄ¹¦ÄܺÍinsmodÀàËÆ£¬µ«ÊÇËü³ýÁË×°ÈëÖ¸¶¨Ä£¿éÍ⣬»¹Í¬Ê±×°ÈëÖ¸¶¨Ä£¿éËùÒÀÀµµÄÆäËûÄ£¿é¡£
 
3¡¢Èç¹ûÄÚºËÖдò¿ªÁËCONFIG_MODVERSIONSÑ¡ÏÔòΪij¸öÖ¸¶¨°æ±¾Äں˱àÒëµÄÄ£¿é½«²»Äܱ»ÁíÒ»°æ±¾µÄÄں˼ÓÔØ¡£ËùÒÔÔÚ¿ª·¢µÄ¹¤³ÌÖУ¬×îºÃ½«ÄÚºËÖеÄÕâ¸öÑ¡Ïî¹Ø±Õ¡£
 
4¡¢½¨ÒéÔÚ¿ØÖÆÌ¨ÏÂÊäÈëÎĵµÖеķ¶Àý´úÂ룬±àÒëÈ»ºó¼ÓÔØÄ£¿é£¬¶ø²»ÊÇÔÚXÏ¡£Õâ¸ö¿É¼°Ê±¶ÁÈ¡¼ÓÔØÄ£¿éʱµÄÈÕÖ¾ÐÅÏ¢¡£
 
5¡¢Ä£¿é³õʼ»¯º¯Êý£¨module_init£©Ó¦¸Ã·µ»ØÖµÎª0£¬·Ç0Ôò±íÃ÷³õʼ»¯Ê§°Ü£¬¸ÃÄ£¿é½«²»Äܱ»¼ÓÔØ¡£
 
6¡¢ÈÎÒ»¸öÄÚºËÄ£¿éÐèÒª°üº¬linux/module.h¡£ÎÒÃǽö½öÐèÒª°üº¬linux/kernel.hµ±ÐèҪʹÓÃprintk()¼Ç¼¼¶±ðµÄºêÀ©Õ¹Ê±KERN_ALERN¡£
 
7¡¢printk()²¢²»ÊÇÉè¼ÆÓÃÓÚÓû§½»»¥µÄ£¬Ëüʵ¼ÊÉÏÓÃÀ´ÎªÄÚºËÌṩÈÕÖ¾¹¦ÄÜ£¬¼Ç¼ģ¿éÐÅÏ¢ºÍ¸ø³ö¾¯¸æ¡£Ëü¶¨ÒåÁ˰˸öÓÅÏȼ¶¡£ÎÒÃÇ¿ÉÒÔʹÓÃKERN_ALERTÕâÑùµÄ¸ßÓÅÏȼ¶£¬À´È·±£printk()½«ÐÅÏ¢Êä³öµ½¿ØÖÆÌ¨¶ø²»ÊÇÌí¼Óµ½ÈÕÖ¾ÖС£
 
8¡¢¹ØÓÚºê__initºÍ__exit¡£ËüÃÇ ......

ǶÈëʽlinux½Ìѧ´ó¸Ù

1¡¢Linux »ù´¡
°²×°Linux²Ù×÷ϵͳ
LinuxÎļþϵͳ
Linux³£ÓÃÃüÁî
LinuxÆô¶¯¹ý³ÌÏê½â
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Linux»ù±¾ÃüÁîʵ¼ù
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¶¨ÖÆLinuxµÄ·þÎñ Shell ±à³Ì»ù´¡Ê¹ÓÃvi±à¼­Îļþ
ʹÓÃEmacs±à¼­Îļþ
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2¡¢Shell ±à³Ì»ù´¡
Shell¼ò½é
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Bash±à³ÌÊìϤLinuxϵͳϵı༭»·¾³
ÊìϤLinuxϵĸ÷ÖÖShell
ÊìÁ·½øÐÐshell±à³ÌÊìϤvi»ù±¾²Ù×÷
ÊìϤEmacsµÄ»ù±¾²Ù×÷
±È½Ï²»Í¬shellµÄÇø±ð
±àдһ¸ö²âÊÔ·þÎñÆ÷ÊÇ·ñÁ¬Í¨µÄshell½Å±¾³ÌÐò
±àдһ¸ö²é¿´½ø³ÌÊÇ·ñ´æÔÚµÄshell½Å±¾³ÌÐò
±àдһ¸ö´øÓÐÑ­»·Óï¾äµÄshell½Å±¾³ÌÐò
3¡¢Linux Ï嵀 C ±à³Ì»ù´¡
linux CÓïÑÔ»·¾³¸ÅÊö
GccʹÓ÷½·¨
Gdbµ÷ÊÔ¼¼Êõ
Autoconf
Automake
Makefile
´úÂëÓÅ»¯ ÊìϤLinuxϵͳϵĿª·¢»·¾³
ÊìϤGcc±àÒëÆ÷
ÊìϤMakefile¹æÔò±àдHello,World³ÌÐò
ʹÓà makeÃüÁî±àÒë³ÌÐò
±àд´øÓÐÒ»¸öÑ­»·µÄ³ÌÐò
µ÷ÊÔÒ»¸öÓÐÎÊÌâµÄ³ÌÐò
4¡¢Ç¶Èëʽϵͳ¿ª·¢»ù´¡
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ÅäÖÃTFTP·þÎñ
ÅäÖÃNFS·þÎñ
ÏÂÔØBootloader ......

LinuxÏ»ñµÃϵͳʱ¼äµÄCÓïÑÔµÄʵÏÖ·½·¨

 LinuxÏ»ñµÃϵͳʱ¼äµÄCÓïÑÔµÄʵÏÖ·½·¨
#include<time.h>  //CÓïÑÔµÄÍ·Îļþ
#include<stdio.h>  //CÓïÑÔµÄI/O
void main()
{
time_t now;    //ʵÀý»¯time_t½á¹¹
struct tm  *timenow;    //ʵÀý»¯tm½á¹¹Ö¸Õë
time(&now);
//timeº¯Êý¶ÁÈ¡ÏÖÔÚµÄʱ¼ä(¹ú¼Ê±ê׼ʱ¼ä·Ç±±¾©Ê±¼ä)£¬È»ºó´«Öµ¸ønow
timenow = localtime(&now);
//localtimeº¯Êý°Ñ´ÓtimeÈ¡µÃµÄʱ¼änow»»Ëã³ÉÄãµçÄÔÖеÄʱ¼ä(¾ÍÊÇÄãÉèÖõĵØÇø)
printf("Local time is %s\n",asctime(timenow));
//ÉϾäÖÐasctimeº¯Êý°Ñʱ¼äת»»³É×Ö·û£¬Í¨¹ýprintf()º¯ÊýÊä³ö
}
×¢ÊÍ£ºtime_tÊÇÒ»¸öÔÚtime.hÖж¨ÒåºÃµÄ½á¹¹Ìå¡£¶øtm½á¹¹ÌåµÄÔ­ÐÎÈçÏ£º
struct tm
{
  int tm_sec;//seconds 0-61
  int tm_min;//minutes 1-59
  int tm_hour;//hours 0-23
  int tm_mday;//day of the month 1-31
  int tm_mon;//months since jan 0-11
  int tm_year;//years from 1900
  int tm_wday;//days since Sunday, 0-6
  int tm_yday;//days since Jan 1, 0-365
  int tm_isdst;//Daylight Saving ......

LinuxÏ»ñµÃϵͳʱ¼äµÄCÓïÑÔµÄʵÏÖ·½·¨

 LinuxÏ»ñµÃϵͳʱ¼äµÄCÓïÑÔµÄʵÏÖ·½·¨
#include<time.h>  //CÓïÑÔµÄÍ·Îļþ
#include<stdio.h>  //CÓïÑÔµÄI/O
void main()
{
time_t now;    //ʵÀý»¯time_t½á¹¹
struct tm  *timenow;    //ʵÀý»¯tm½á¹¹Ö¸Õë
time(&now);
//timeº¯Êý¶ÁÈ¡ÏÖÔÚµÄʱ¼ä(¹ú¼Ê±ê׼ʱ¼ä·Ç±±¾©Ê±¼ä)£¬È»ºó´«Öµ¸ønow
timenow = localtime(&now);
//localtimeº¯Êý°Ñ´ÓtimeÈ¡µÃµÄʱ¼änow»»Ëã³ÉÄãµçÄÔÖеÄʱ¼ä(¾ÍÊÇÄãÉèÖõĵØÇø)
printf("Local time is %s\n",asctime(timenow));
//ÉϾäÖÐasctimeº¯Êý°Ñʱ¼äת»»³É×Ö·û£¬Í¨¹ýprintf()º¯ÊýÊä³ö
}
×¢ÊÍ£ºtime_tÊÇÒ»¸öÔÚtime.hÖж¨ÒåºÃµÄ½á¹¹Ìå¡£¶øtm½á¹¹ÌåµÄÔ­ÐÎÈçÏ£º
struct tm
{
  int tm_sec;//seconds 0-61
  int tm_min;//minutes 1-59
  int tm_hour;//hours 0-23
  int tm_mday;//day of the month 1-31
  int tm_mon;//months since jan 0-11
  int tm_year;//years from 1900
  int tm_wday;//days since Sunday, 0-6
  int tm_yday;//days since Jan 1, 0-365
  int tm_isdst;//Daylight Saving ......

linuxϰ²×°tomcat

ÔÚÕâ֮ǰjdkÒѾ­°²×°OK
1.°Ñtomcat´«µ½linux·þÎñÆ÷ÉÏ
 2.gunzip tomcat-6.0.20.tar.gz
 3.tar -zxvf tomcat-6.0.20.tar
 4.µÃµ½TomcatµÄËùÓÐÎļþ.È»ºó°ÑËü¿½±´µ½ÄãÒª°²×°µÄλÖã¬Èç/usr/local/tomcat-6.0.20/
 5.ÔÚ/etc/profileÎļþÖмÓÈëÈçÏÂÁ½ÐÐ

    export JAVA_HOME=/usr/local/java/jdk1.6.0_15
    export TOMCAT_HOME=/usr/local/tomcat-6.0.20
  6.°²×°Íêºó£¬ÖØÐÂÆô¶¯¼ÆËã»ú£¬ÒÔʹJAVA_HOMEºÍTOMCAT_HOMEµÄÉèÖÃÉúЧ£®È»ºóµ½
    /usr/local/tomcat-6.0.20/bin
  7.ÔËÐÐ./startup.sh£¬Æô¶¯tomcat£¬Èç³öÏÖÒÔÏÂÔò˵Ã÷³É¹¦
         Using CATALINA_BASE:   /usr/local/tomcat-6.0.20
         Using CATALINA_HOME:   /usr/local/tomcat-6.0.20
         Using CATALINA_TMPDIR: /usr/local/tomcat-6.0.20/temp
         Using JRE_HOME:       ......

LinuxÏÂKill¶à¸ö½ø³Ì

¹¤×÷Öо­³£ÐèÒªKill¶à¸ö½ø³Ì£¬Èç¹ûÕâЩ½ø³ÌÓй²Í¬µÄÌØµã£¬¾Í¿ÉÒÔÓÃÒ»ÌõÃüÁîKillµôËüÃÇ¡£
±ÈÈçÇå³ýOracleÊý¾Ý¿âµÄËùÓÐÔ¶³ÌÁ¬½Ó½ø³Ì£º

ps -efww|grep LOCAL=NO|grep -v grep|cut -c 9-15|xargs kill -9
¡¡¡¡¹ÜµÀ·û“|”ÓÃÀ´¸ô¿ªÁ½¸öÃüÁ¹ÜµÀ·û×ó±ßÃüÁîµÄÊä³ö»á×÷Ϊ¹ÜµÀ·ûÓÒ±ßÃüÁîµÄÊäÈë¡£ÏÂÃæËµËµÓùܵÀ·ûÁª½ÓÆðÀ´µÄ¼¸¸öÃüÁ
“ps¡¡£­¡¡efww”ÊÇRed Hat 7.0Àï²é¿´ËùÓнø³ÌµÄÃüÁî¡£Õâʱ¼ìË÷³öµÄ½ø³Ì½«×÷ΪÏÂÒ»ÌõÃüÁî“grep LOCAL=NO”µÄÊäÈë¡£
¡¡¡¡“grep LOCAL=NO”µÄÊä³ö½á¹ûÊÇ£¬ËùÓк¬Óйؼü×Ö“LOCAL=NO”µÄ½ø³Ì£¬ÕâÊÇOracleÊý¾Ý¿âÖÐÔ¶³ÌÁ¬½Ó½ø³ÌµÄ¹²Í¬Ìص㡣
¡¡¡¡“grep -v grep”ÊÇÔÚÁгöµÄ½ø³ÌÖÐÈ¥³ýº¬Óйؼü×Ö“grep”µÄ½ø³Ì¡£
¡¡¡¡“cut -c 9-15”ÊǽØÈ¡ÊäÈëÐеĵÚ9¸ö×Ö·ûµ½µÚ15¸ö×Ö·û£¬¶øÕâÕýºÃÊǽø³ÌºÅPID¡£
¡¡
¡¡“xargs kill -9”ÖеÄxargsÃüÁîÊÇÓÃÀ´°ÑÇ°ÃæÃüÁîµÄÊä³ö½á¹û£¨PID£©×÷Ϊ“kill
-9”ÃüÁîµÄ²ÎÊý£¬²¢Ö´ÐиÃÃüÁî¡£“kill
-9”»áÇ¿ÐÐɱµôÖ¸¶¨½ø³Ì£¬ÕâÑù¾Í³É¹¦Çå³ýÁËoracleµÄËùÓÐÔ¶³ÌÁ¬½Ó½ø³Ì¡£ÆäËüÀàËÆµÄÈÎÎñ£¬Ö ......
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