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 ×îÐÂÎÄÕ : linux

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1, ¹ØÓÚ²Ù×÷ϵͳÀíÂÛµÄ×î³õ¼¶µÄ֪ʶ¡£²»ÐèҪͨ¶Á²¢Àí½â¡¶²Ù×÷ϵͳ¸ÅÄî¡·¡¶ÏÖ´ú²Ù×÷ϵͳ¡·µÈ¾ÞÖø£¬µ«×ÜÒªÖªµÀ·Öʱ£¨time-shared£©ºÍʵʱ£¨real-time£©µÄÇø±ðÊÇʲô£¬½ø³ÌÊǸöʲô¶«Î÷£¬CPUºÍϵͳ×ÜÏß¡¢ÄÚ´æµÄ¹ØÏµ£¨ºÜ´ÖÂÔ¼´¿É£©£¬µÈµÈ¡£
2, ¹ØÓÚCÓïÑÔ¡£²»ÐèÒªÒѾ­ºÜ¾«Í¨CÓïÑÔ£¬Ö»ÒªÄÜÊìÁ·±àдC³ÌÐò£¬ÄÜ¿´¶®Á´±í¡¢É¢ÁбíµÈÊý¾Ý½á¹¹µÄCʵÏÖ£¬Óùýgcc±àÒëÆ÷£¬¾Í¿ÉÒÔÁË¡£µ±È»£¬Èç¹ûÒѾ­¾«Í¨CÓïÑÔÏÔÈ»ÊÇ´óÕ¼±ãÒ˵ġ£
3, ¹ØÓÚCPUµÄ֪ʶ¡£Õâ¿é¶ù¿ÉÒÔÔÚѧϰÄں˹ý³ÌÖв¹£¬µ«ÕâÑùµÄ»°Äã¾ÍÐèÒª¿´½²½âºÜÏêϸµÄÊ飬±È·½ºóÃæ½«»áÌáµ½µÄ¡¶Çé¾°·ÖÎö¡·¡£ÄãÊÇ·ñÊìϤIntel 80386 CPU£¿³¢ÊÔׯشðÕ⼸¸öÎÊÌâÀ´ÅжÏһϣº1£©Ëµ³ö80386µÄÖжÏÃźÍÏÝÚåÃŵÄÇø±ð£»2£©Ëµ³ö±£»¤Ä£Ê½ÓëʵģʽµÄÇø±ð£»3£©¶à´¦ÀíÆ÷»úÆ÷ÉÏ£¬ÆÕͨµÄ¶Á-¸Ä-д»ØÒ»¿éÄÚ´æÕâÑùµÄ¶¯×÷£¬ÎªÊ²Ã´ÐèÒªÌØÊâµÄÊÖ¶ÎÀ´±£»¤¡£µÈµÈ¡£½²½â»ùÓÚÆäËüCPUµÄLinuxÄں˵ÄÊ飬ĿǰºÃÏóÖ»ÓÐÒ»±¾¡¶IA64LinuxÄںˣºÉè¼ÆÓëʵÏÖ¡·©¤©¤Ò²»¹ÊÇIntelµ ......

WindowsºÍLinux¼äÎı¾Îļþ¸ñʽת»»

ÎÊÌ⣺ÔÚLinuxÏÂÕý³£»»ÐеÄÎÄ×Ö£¬µ½ÁËWindowsϺ󣬲»ÔÙ»»ÐС£
 
ÔÚWindowsÏ»»ÐÐʱ£¬ÓÐÁ½¸ö×Ö·û£º»Ø³µ(\r)ºÍ»»ÐÐ(\n)¡£µ«ÔÚLinuxÏ£¬Ö»ÓÐÒ»¸ö»»ÐÐ(\n)
¿ÉʹÓÃunix2dosºÍdos2unixÃüÁî½øÐиñʽµÄת»»£º
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-k  ±£³ÖÊä³öÎļþºÍÊäÈëÎļþµÄÈÕÆÚʱ¼ä´Á²»±ä
-o file   ĬÈÏģʽ . ½«fileת»»£¬²¢Êä³öµ½file
-n  infile outfile ÐÂģʽ. ת»»infile, ²¢Êä³öµ½outfile
 
 
1.       unix2dos
 
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[root@centos test]# ls -l a.txt
-rw-r--r-- 1 root root 7 Jan  7 21:31 a.txt
[root@centos test]# hexdump -c a.txt
0000000   1   2   3   4   5   6  \n
0000007
[root@centos test]# unix2dos -n a.txt b.txt
unix2dos: converting file a.txt to file b.txt in DOS format ...
[root@centos test]# ls -l
total 8
-rw-r--r-- 1 root root 7 Jan  7 21:31 a.txt
-rw------- 1 root root 8 Jan  7 21:34 b.txt
[root@centos test]# hexdump -c a.txt ......

ÊÕ¼¯µÄһЩ¼òµ¥µÄUNIX/LinuxÃæÊÔÌâ

1. Q. How do you find out the processes that are currently running or a particular user?
   A. ps -au Myname   (-u by effective user ID (supports names)) (a - all users)
2. Q. How do you kill a process?
   A. kill -9  8 (process_id 8) or kill -9  %7  (job number 7)
      kill -9 -1  (Kill all processes you can kill.)
      killall - kill processes by name most (useful - killall java)
3. Q. What would you use to view contents of a large error log file?
   A. tail  -10 file_name   ( last 10 rows)
4.Q. How do you list contents of a directory including all of its
  subdirectories, providing full details and sorted by modification time?
   A. ls -lac
      -a all entries
      -c by time
5.Q. How do you create a symbolic link to a file (give some reasons of doing so)?
   A. ln /.. ......

LinuxÏÂgsoapµÄ°²×°

ϵͳ£ºRHEL 5.1 & 5.3
gsoapÊǸöºÃ¶«¶«£¬Ëü¿ÉÄܺܺÃ×°£¬¿ÉÄÜÒ²ºÜÄÑ×°£¬È¡¾öÓÚÄãµÄϵͳÒѾ­°²×°ÁËʲô¿ª·¢°ü¡£
ÎÒÔÚ¶ą̀RHELÐéÄâ»ú£¨32bit & 64bit£©ÉϾù°²×°ÁËgsoap£¬ÆäÖÐÓÐһ̨ÊÇconfigureÖ®ºóÖ±½Ómake¾Í¸ã¶¨ÁË£¬ÁíÍâÁ½Ì¨¶¼ÊÇ»¹ÒªÕÛÌںܶàÆäËû¶«Î÷µÄ¡£
ÆäÖÐÓм¸¸öÐèҪ˵Ã÷µÄµØ·½ÊÇ£º
£¨1£©°²×°gsoap£¬ÄãÐèÒªÏȰ²×°openssl-devel£¬byacc-devel£¬bison-develµÈ¿ª·¢°ü£¬Èç¹ûÄã²»ÖªµÀÄãÊÇ·ñÒѾ­°²×°ÁË£¬ÇëÓÃrpm -qaÃüÁîÀ´²éѯ£¨½öÕë¶ÔʹÓÃrpm°ü°²×°µÄ£©£¬ÀýÈ磬ÃüÁ rpm -qa | grep openssl ½«²éѯ³öÓëopensslÏà¹ØµÄrpm°ü°²×°ÐÅÏ¢¡£
£¨2£©µ±ÄãmakeµÄʱºò£¬ÔÚ×îºó¼´½«½áÊøÊ±£¬Óöµ½ /usr/bin/ld: cannot find -ly ´íÎóµÄ»°£¬Çë°²×° bison-devel ¿ª·¢°ü£¨Õâ¸ö±È½Ï²»ÈÝÒ׿´³öÀ´£©£¬ÎÒÊÇÓÃRHELµÄrpm×°µÄ¡£
£¨3£©Ò»´Îmakeʧ°Üºó£¬ÇëÖØÐ ./configure£¬È»ºómake clean£¬È»ºóÔÙmake¡£ ......

Linux Cµ÷ÊÔÈëÃÅ

1.×Ô¶¨ÒåÊä³ö
  Ïë±Ø´ó¼Ò¶¼ÓÐÀûÓÃÊä³öº¯ÊýÈçprintfÀ´°ïÖúÎÒÃǵ÷ÊÔ³ÌÐòµÄ¾­Àú£¬ÕâÊÇÒ»ÖֱȽÏԭʼµÄ³ÌÐòµ÷ÊÔ¸¨Öú·½·¨£¬ÔÚLinuxÏÂÒ²¿ÉÒÔΪÎÒÃÇËùÓᣲ»¹ýÕâÖÖ·½·¨ÓÐÒ»¸öÃ÷ÏÔµÄȱµã£¬¾ÍÊÇÔÚµ÷ÊÔÍêºóÎÒÃDZØÐë×¢ÊÍ»òɾ³ýµôÕâЩ¸¨Öú´úÂë¡£Linux CÌṩÁË-DDEBUGÕâ¸ö±àÒë±ê¼ÇÀ´¶¨ÒåDEBUGÕâ¸ö·ûºÅ£¬½èÖúÓڸ÷ûºÅ£¬ÎÒÃÇ¿ÉÒÔÔÚÓ¦ÓóÌÐòÖÐÌí¼Ó¶îÍâ´úÂë²¢¸ù¾ÝÐèÒª¾ö¶¨Ö´ÐÐÓë·ñ¡£
  È磺
  #include<stdio.h>
  //*******dtest.c*******
  int main()
  {
    #ifdef DEBUG
      printf("Debug output......\n");
    #endif
    printf("Main function ended!\n";
  }
  ÔËÐУº
  $ cc -o dtest dtest.c
  $ ./dtest
  Main function ended!
  $ rm dtest
  $ cc -o dtest  -DDEBUG dtest.c
  $ ./dtest
   Debug output......
   Main function ended!
  ͨ¹ýÒÔÉÏʾÀý£¬ÄãÓ¦¸ÃÃ÷°×ÁË-DDEBUG±ê¼ÇµÄÓ÷¨Á˰ɣ¬ºÇºÇ~~~Ò²ÐíÄã»áÏ룬Èç¹ûÎÒÓкü¸¶Îµ÷ÊÔ´úÂ룬¶øÎÒÏ£Íû¸ù¾ÝÐèҪÿ´ÎÑ¡ ......

Linux Cµ÷ÊÔÈëÃÅ

1.×Ô¶¨ÒåÊä³ö
  Ïë±Ø´ó¼Ò¶¼ÓÐÀûÓÃÊä³öº¯ÊýÈçprintfÀ´°ïÖúÎÒÃǵ÷ÊÔ³ÌÐòµÄ¾­Àú£¬ÕâÊÇÒ»ÖֱȽÏԭʼµÄ³ÌÐòµ÷ÊÔ¸¨Öú·½·¨£¬ÔÚLinuxÏÂÒ²¿ÉÒÔΪÎÒÃÇËùÓᣲ»¹ýÕâÖÖ·½·¨ÓÐÒ»¸öÃ÷ÏÔµÄȱµã£¬¾ÍÊÇÔÚµ÷ÊÔÍêºóÎÒÃDZØÐë×¢ÊÍ»òɾ³ýµôÕâЩ¸¨Öú´úÂë¡£Linux CÌṩÁË-DDEBUGÕâ¸ö±àÒë±ê¼ÇÀ´¶¨ÒåDEBUGÕâ¸ö·ûºÅ£¬½èÖúÓڸ÷ûºÅ£¬ÎÒÃÇ¿ÉÒÔÔÚÓ¦ÓóÌÐòÖÐÌí¼Ó¶îÍâ´úÂë²¢¸ù¾ÝÐèÒª¾ö¶¨Ö´ÐÐÓë·ñ¡£
  È磺
  #include<stdio.h>
  //*******dtest.c*******
  int main()
  {
    #ifdef DEBUG
      printf("Debug output......\n");
    #endif
    printf("Main function ended!\n";
  }
  ÔËÐУº
  $ cc -o dtest dtest.c
  $ ./dtest
  Main function ended!
  $ rm dtest
  $ cc -o dtest  -DDEBUG dtest.c
  $ ./dtest
   Debug output......
   Main function ended!
  ͨ¹ýÒÔÉÏʾÀý£¬ÄãÓ¦¸ÃÃ÷°×ÁË-DDEBUG±ê¼ÇµÄÓ÷¨Á˰ɣ¬ºÇºÇ~~~Ò²ÐíÄã»áÏ룬Èç¹ûÎÒÓкü¸¶Îµ÷ÊÔ´úÂ룬¶øÎÒÏ£Íû¸ù¾ÝÐèҪÿ´ÎÑ¡ ......

֨װwindowsºóÈçºÎ»Ö¸´linux·ÖÇø


Óð²×°¹âÅÌÒýµ¼ÏµÍ³ 
--> ¼üÈëlinux rescue½øÈë¾ÈԮģʽ 
--> skipýÌå¼ì²é,Ñ¡ÔñÓïÑÔ,¼üÅÌ,Ñ¡continue½øÈëconsole(ÃüÁîÐÐ)ģʽ 
--> chroot /mnt/sysimage --> grub-install /dev/hda(Èç¹ûÓÃlilo,ÓÃÃüÁîlilo) 
--> restart
ɾ³ýlinux·ÖÇøÈçºÎ»Ö¸´windows·ÖÇø
ÓÃwindowsÆô¶¯ÅÌÆô¶¯µ½dos½çÃæ£¬fdisk /mbr
......
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