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  ½©¿¡¼­ ½ÇÇàÇÑ ¸í·ÉÀ» syslog·Î ÀÚµ¿ º¸³»±â ÀÛ¼ºÀÏ : 2008/11/18 19:53
 
  • ±Û¾´ÀÌ : ÁÁÀºÁøÈ£ ( http://coffeenix.net/ )
  • Á¶È¸¼ö : 16756
          [ ÀÌÀüÈ­¸é / ¼öÁ¤ ]   ºñ¹Ð¹øÈ£ :     Àμâ¿ë È­¸é
      Á¦  ¸ñ : ½©¿¡¼­ ½ÇÇàÇÑ ¸í·ÉÀ» syslog·Î ÀÚµ¿ º¸³»±â
    ÀÛ¼ºÀÚ : ÁÁÀºÁøÈ£(truefeel, http://coffeenix.net/ )
    ÀÛ¼ºÀÏ : 2008.9.30(È­)
    Á¤¸®ÀÏ : 2008.10.31(±Ý)

    ¼­¹ö¿¡ Á¢¼ÓÇÑ À¯Àú°¡ ¾î¶² ¸í·ÉÀ» ³»·È´ÂÁö ½Ç½Ã°£À¸·Î È®ÀÎÇÏ·Á¸é ¾î¶»°Ô ÇؾßÇÒ±î? history fileÀ» µÚÁø´Ù? ÀÌ°Ç ³Ê¹« ºÒÆíÇÏ´Ù. ¸í·ÉÀÌ ½ÇÇàµÉ ¶§¸¶´Ù ƯÁ¤À̺¥Æ®¸¦ ¹ß»ýÇؼ­, º°µµ ÀúÀåÇØÁÖ¸é È¿°úÀûÀÏ °ÍÀÌ´Ù. ±× °Íµµ syslog¸¦ ÅëÇؼ­ ¸í·ÉÀÌ ÀúÀåµÈ´Ù¸é ¿ø°ÝÁö ¼­¹ö¿¡¼­ ƯÁ¤ ¼­¹öÀÇ ½ÇÇà ¸í·ÉÀ» ¸ðÁ¶¸® È®ÀÎÇغ¼ ¼ö ÀÖÀ» °ÍÀÌ´Ù.

    ¸îÁÙÀÇ ½© functionÀ¸·Î syslog·Î ½ÇÇà¸í·ÉÀ» º¸³»´Â ¹æ¹ýÀ» ¾Ë¾Æº¸ÀÚ.

    1. bash·Î syslog·Î ¸Þ½ÃÁö º¸³»±â

    * cmd_logging.sh ³»·Á¹Þ±â
     
    1:    function logging
    2:    {
    3:            stat="$?"
    4:            cmd=$(history|tail -1)
    5:            if [ "$cmd" != "$cmd_old" ]; then
    6:                    logger -p local1.notice "[2] STAT=$stat"
    7:                    logger -p local1.notice "[1] PID=$$, PWD=$PWD, CMD=$cmd"
    8:            fi
    9:            cmd_old=$cmd
    10:   }
    11:   trap logging DEBUG
     


    À§ ½ºÅ©¸³Æ®¿¡¼­ Áß¿äÇÑ ºÎºÐÀº logger¿Í trapÀÌ´Ù.

    1) logger´Â ÁöÁ¤ÇÑ ¸Þ½ÃÁö¸¦ syslog·Î º¸³»ÁÖ´Â ¸í·ÉÀÌ´Ù.
       À§¿¡¼­´Â local1 ¼­ºñ½ºÁ¾·ù(facility)°ú notice ·¹¹ë·Î syslog·Î ¸Þ½ÃÁö¸¦ º¸³»ÁØ´Ù.
       loggerÀÇ È°¿ë¿¡ ´ëÇؼ­´Â '¿©·¯ ¼­¹öÀÇ load¸¦ Å͹̳ο¡¼­ ½Ç½Ã°£ ¸ð´ÏÅ͸µ' (±Û ÁÁÀºÁøÈ£, 2008.2)
       Áß '2. ¹Ì¸® ÁغñµÇ¾î ÀÖ¾î¾ßÇÒ »çÇ×' ºÎºÐÀ» »ìÆ캸±â ¹Ù¶õ´Ù.
       http://coffeenix.net/board_view.php?bd_code=1571
    2) trapÀº bash³»ºÎ ¸í·ÉÀ¸·Î ƯÁ¤½Ã±×³ÎÀÌ ¹ß»ýÇÒ ¶§ ÁöÁ¤ÇÑ ¸í·É¾î°¡ ½ÇÇàµÈ´Ù.
       Çü½Ä) trap "¸í·É" ½Ã±×³Î
       À§¿¡¼­´Â DEBUG ÇüÅ·Î, ¸í·ÉÀÌ ½ÇÇàµÉ ¶§¸¶´Ù logging functionÀ» È£ÃâÇÑ´Ù.

    1¹ø°ÁÙ : logging functionÀ» Á¤ÀÇÇÑ´Ù.
    3¹ø°ÁÙ : ¸í·ÉÀÇ ½ÇÇà °á°ú¸¦ stat º¯¼ö¿¡ ÀúÀåÇصдÙ.
    4¹ø°ÁÙ : historyÁß¿¡¼­ ¸Ç ¸¶Áö¸·¿¡ ½ÇÇàÇÑ ¸í·ÉÀ» »Ì¾Æ cmd º¯¼ö¿¡ ÀúÀåÇصдÙ.
    5¹ø°ÁÙ : ÀÌÀü¿¡ ½ÇÇàÇÑ ¸í·É°ú ¹æ±Ý ½ÇÇàÇÑ ¸í·ÉÀÌ ´Ù¸¦ °æ¿ì¿¡¸¸ syslog·Î º¸³»µµ·Ï ÇØÁØ´Ù.
    ÀÌÀü¿¡ ls ¸í·ÉÀ» Çß°í, ¹æ±Ý ls¸í·ÉÀ» Çß´Ù¸é µû·Îµû·Î ·Î±×¿¡ ³²À»±î? ±×·¸´Ù.
    cmd_olg´Â'4  ls -la'¸¦ ÀúÀåÇÏ°í ÀÖ°í, cmd´Â'5 ls -la'¸¦ ÀúÀåÇÏ°í ÀÖ´Ù. Áï, history ¹øÈ£°¡ ÇÔ²² ÀúÀåµÇ±â ¶§¹®¿¡ ´Ù¸¥ ¸í·ÉÀ¸·Î ÆÇ´ÜÇÑ´Ù.
    ÀÌ if¹®ÀÌ ¾øÀ» °æ¿ì¿¡´Â ¾Æ¹« ¸í·Éµµ ÀÔ·ÂÇÏÁö ¾Ê°í ¿£Å͸¸ Ãĵµ ÀÌÀü¿¡ ½ÇÇàÇÑ ¸í·ÉÀ» ¹Ýº¹ÀûÀ¸·Î syslog·Î º¸³»¹ö¸®¹Ç·Î ¹Ýµå½Ã ÇÊ¿äÇÏ´Ù.
    6¹ø°ÁÙ : ÀÌÀü¿¡ ½ÇÇàÇÑ ¸í·ÉÀÇ ½ÇÇà °á°ú Äڵ带 syslog·Î º¸³½´Ù.
    7¹ø°ÁÙ : ¹æ±Ý ½ÇÇàÇÑ ¸í·ÉÀÇ ½ÇÇàµð·ºÅ丮, ¸í·ÉÀ» syslog·Î º¸³½´Ù. PID´Â bashÀÇ PID´Ù.

    À§ÀÇ ½ºÅ©¸³Æ®¸¦ globalÇÏ°Ô Àû¿ëÇÏ·Á¸é /etc/profile ¿¡ Ãß°¡Çϰųª /etc/profile.d/cmd_logging.sh ·Î ÀúÀåÇÏ¸é µÈ´Ù. À¯Àúº°·Î Àû¿ëÇÏ·Á¸é $HOME/.bash_profile ¶Ç´Â $HOME/.bashrc¿¡ ³Ö¾îµÐ´Ù. ÀÌÁ¦ Àû¿ëµÆ´ÂÁö ·Î±äÇغ¸ÀÚ.

    2. syslog¿¡ ³²±â´Â ·Î±× ÇüÅÂ

    ¾Æ·¡ÀÇ ·Î±×¸¦ »ìÆ캸ÀÚ. ½Ã°£Ç¥½Ã¸¦ ÀÚ¼¼È÷ º¸¸é [2]°¡ ¸ÕÀú ÀúÀåµÇ°í, [1]ÀÌ ±× ´ÙÀ½¿¡ ÀúÀåµÈ´Ù. [2] ´Â ÀÌÀü¿¡ ½ÇÇàÇÑ ¸í·ÉÀÇ ½ÇÇà °á°ú ÄÚµåÀ̸ç, [1]Àº ¹æ±Ý ½ÇÇàÇÑ ¸í·ÉÀÌ´Ù. ¹æ±Ý ½ÇÇàÇÑ °á°ú ÄÚµå´Â ´ÙÀ½ ¸í·ÉÀÌ ½ÇÇàµÇ¾î¾ß °á°ú·Î ÀúÀåÀÌ µÈ´Ù.

     
    Sep 30 17:11:31 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:11:31 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=    4  ls -la
    Sep 30 17:11:31 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:11:31 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=    5  w
    Sep 30 17:11:32 cnx1 coffeenix: [2] STAT=126
    Sep 30 17:11:32 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=    6  pwd
    Sep 30 17:11:32 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:11:32 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=    7  ls -la
    Sep 30 17:11:36 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:11:36 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=    8  vi get_stat.sh
    Sep 30 17:15:24 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:15:24 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=    9  chmod 700 get_stat.sh
    Sep 30 17:15:28 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:15:28 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=   10  ./get_stat.sh
    Sep 30 17:15:35 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:15:35 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=   11  ls
    Sep 30 17:16:31 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:16:31 cnx1 coffeenix: [1] PID=29168, PWD=/home/coffeenix, CMD=   12  cd /var/log
    Sep 30 17:16:32 cnx1 coffeenix: [2] STAT=0
    Sep 30 17:16:32 cnx1 coffeenix: [1] PID=29168, PWD=/var/log, CMD=   13  ls
     


    ½ÇÇà¸í·É¸¸ º°µµ ·Î±×·Î ÀúÀåÇÏ°í ½Í´Ù¸é /etc/syslog.conf ¿¡ ´ÙÀ½À» Ãß°¡ÇÏ°í, syslogd µ¥¸óÀ» Àç½ÇÇàÇØÁÖ¸é µÈ´Ù.

     
    local1.notice                           /var/log/cmd.log
     


    ¿ø°ÝÁö·Î ¸í·ÉÀ» º¸³»·Á¸é, ¸¶Âù°¡Áö ¹æ¹ýÀ¸·Î /etc/syslog.conf ¿¡ ´ÙÀ½À» Ãß°¡ÇÏ°í, Àç½ÇÇàÇÏ¸é µÈ´Ù. ¹°·Ð ¼ö½Å¹Þ´Â ¿ø°ÝÁö syslog ¼­¹ö¿¡¼­´Â ¸Þ½ÃÁö ¼ö½ÅÀ» Çã¿ëÇصР»óÅ¿©¾ß ÇÑ´Ù.

     
    local1.*                                @192.168.123.2
     


    ¾Æ½¬¿î Á¡Àº cshÀº trapÀÌ ¾ø°í, ´ë½ÅÇÒ csh ³»ºÎ ¸í·ÉÀ¸·Î onintr ÀÌ ÀÖÀ¸³ª À§ÀÇ trap°ú °°Àº È¿°ú´Â ¾ò¾î³»±â Èûµé´Ù.

    3. Âü°íÀÚ·á

    * ¿©·¯ ¼­¹öÀÇ load¸¦ Å͹̳ο¡¼­ ½Ç½Ã°£ ¸ð´ÏÅ͸µ (±Û ÁÁÀºÁøÈ£, 2008.2)
      http://coffeenix.net/board_view.php?bd_code=1571 (logger ¸í·É)
    * bash man ÆäÀÌÁö
      Ä¿ÇǴнº Ä«Æä ÃÖ±Ù ±Û
    [04/19] Á¦ÁÖ&#5
    [04/18] ??? ?????
    [04/17] ???? onion ?????? -
    [04/11] ±¹°¡&#5
    [04/10] Stride Into Dream:
    [03/20] Re: ¿Â¶óÀΰÔÀÓÀÇ Á¾ÁÖ±¹ ´ëÇѹα¹
    [10/20] Cross Compiler ±ò
    [07/14] SSL ¬¡¬°
    [04/26] Re: µµ½ºÈ­¸é ¿ø°ÝÁ¶Á¾ ¿©ºÎ
    [04/25] µµ½ºÈ­¸é ¿ø°ÝÁ¶Á¾ ¿©ºÎ
    [10/30] Cshell¿¡¼­ ³­¼ö ¼³Á¤
    [10/23] °øÇ×öµµÁÖ½Äȸ»ç SE ±¸ÀÎ Ëì
    [01/26] Re: wgetÀ¸·Î ´Ù¸¥¼­¹ö¿¡ÀÖ´Â µð·ºÅ丮¸¦ °¡Á®¿À·Á°íÇÕ´Ï´Ù.
    [01/25] wgetÀ¸·Î ´Ù¸¥¼­¹ö¿¡ÀÖ´Â µð·ºÅ丮¸¦ °¡Á®¿À·Á°íÇÕ´Ï´Ù.
    [01/11] ƯÁ¤ ¾Èµå·ÎÀ̵å WebView ¹öÀü¿¡¼­ SSL ¹®Á¦ (WebView ¹ö±×)
      New!   ÃÖ±Ù¿¡ µî·ÏÇÑ ÆäÀÌÁö
      KiCad EDA Suite project (Free/Libre/Open-Source EDA Suite) (CAD)
      ¿ÀÇÂij½ºÄÉÀ̵å ijµå (OpenCASCADE CAD)
      QCad for Windows --- GNU GPL (Free Software)
      The Hello World Collection
      IPMI¸¦ È°¿ëÇÑ ¸®´ª½º ¼­¹ö°ü¸®
      DNS ¼³Á¤ °Ë»ç
      nagiosgraph ¼³Ä¡ ¹æ¹ý
      Slony-I ¼³Ä¡ ¹æ¹ý (postgresql replication tool)
      Qmail±â¹ÝÀÇ Anti spam ½Ã½ºÅÛ ±¸ÃàÇϱâ
      clusterssh

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