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¼Ò°³ ¶LINUX ¿¡¼ snmpd ¿¡ ƯÁ¤ÇÑ OID ¿¡¼ ÇÁ·Î±×·¥ÀÌ µ¿ÀÛÇÏ¿© ½Ã½ºÅÛÀÇ Á¤º¸¸¦ SNMP ·Î Àü¼ÛÇϵµ·Ï ¼³Á¤ÇÏ´Â ¹æ¹ýÀÌ´Ù. ÀÌ°ÍÀº ¸ÞÀÏÀÇ °¹¼ö¸¦ ¼¼¾î º¸³»´Â ¼³Á¤¿¡ ´ëÇÏ¿© ¼³¸íÇÑ´Ù.
½ºÅ©¸³Æ® ÇÁ·Î±×·¥ÀÇ ÀÛ¼º ¶mailcount ÇÁ·Î±×·¥Àº qmail ÀÇ ¼ö½ÅÇÏ´Â ¸ÞÀÏÀÇ °¹¼ö¸¦ ¼¼´Â ÇÁ·Î±×·¥ÀÌ´Ù. /var/qmail/count µð·ºÅ丮ÀÇ "ham", "spam", "unsure", "virus" µð·ºÅ丮¿¡ ÀÖ´Â "total" ÆÄÀÏÀÇ Å©±â¸¦ ÀÐ¾î¼ SNMP ÀÇ ¿äû¿¡ ÀÀ´äÇÑ´Ù.
ÀÏ´Ü ÇØ´çÇÁ·Î±×·¥À» ¼³Ä¡ÇÏ°í ½ÇÇàÇØ º»´Ù. -v ¿É¼ÇÀº È®ÀÎÇϱâ À§ÇÑ°Í ÀÌ´Ù
# cd /usr/local/src/mail-utility # cvs update P mailcount.c P Makefile # make cc -c -o mailcount.o mailcount.c cc -o mailcount mailcount.o # # ./mailcount 5284 11055 0 560 # ./mailcount -v ham = 5285 spam = 11058 unsure = 0 virus = 560 # snmpd.conf ¿¡ ½ÇÇàÇÁ·Î±×·¥ Ãß°¡ ¶/etc/snmp/snmpd.conf ¿¡ ƯÁ¤ OID (¿©±â¼´Â .1.3.6.1.4.1.2021.51 ¸¦ »ç¿ë) À¸·Î SNMP ¸¦ ¿äûÇÒ¶§ ¸ÞÀÏÅ¥ÀÇ °ªÀ» ¸®ÅÏÇϵµ·Ï ÇØ´ç ÇÁ·Î±×·¥À» ¼³Á¤ÇÑ´Ù. qmHandle ÇÁ·Î±×·¥Àº ¸ÞÀÏÅ¥ÀÇ ¸ð´ÏÅ͸µÀ» À§ÇÑ ½ºÅ©¸³Æ® ÀÌ´Ù.
# Run a shell script containing:
# # #!/bin/sh # echo hello world # echo hi there # exit 35 # # Note: this has been specifically commented out to prevent # accidental security holes due to someone else on your system writing # a /tmp/shtest before you do. Uncomment to use it. # # exec .1.3.6.1.4.1.2021.50 shelltest /bin/sh /tmp/shtest exec .1.3.6.1.4.1.2021.50 qmHandle /etc/snmp/qmHandle.sh exec .1.3.6.1.4.1.2021.51 mailcount /usr/local/src/mail-utility/mailcount ¼³Á¤ÈÄ snmpd ¸¦ Àç½ÃÀÛÇÑ´Ù.
# /etc/rc.d/init.d/snmpd restart Stopping snmpd: [ OK ] Starting snmpd: [ OK ] # SNMP ·Î È®ÀÎ ¶ÇØ´ç OID ·Î ¿øÇÏ´Â °ªÀÌ ¸®ÅϵǴÂÁö È®ÀÎÇÑ´Ù.
[# snmpwalk -v 1 -c public localhost .1.3.6.1.4.1.2021.51 UCD-SNMP-MIB::ucdavis.51.1.1 = INTEGER: 1 UCD-SNMP-MIB::ucdavis.51.2.1 = STRING: "mailcount" UCD-SNMP-MIB::ucdavis.51.3.1 = STRING: "/usr/local/src/mail-utility/mailcount" UCD-SNMP-MIB::ucdavis.51.100.1 = INTEGER: 0 UCD-SNMP-MIB::ucdavis.51.101.1 = STRING: "5346" UCD-SNMP-MIB::ucdavis.51.101.2 = STRING: "11151" UCD-SNMP-MIB::ucdavis.51.101.3 = STRING: "0" UCD-SNMP-MIB::ucdavis.51.101.4 = STRING: "561" UCD-SNMP-MIB::ucdavis.51.102.1 = INTEGER: 0 UCD-SNMP-MIB::ucdavis.51.103.1 = "" # NMS ¼¹ö¿¡¼µµ È®ÀÎÇØ ºÁ¼, SNMP ¿äû¿¡ Á¦´ë·Î ÀÀ´äÇÏ´ÂÁö È®ÀÎÇÑ´Ù.
cacti ¿¡ ±×·¡ÇÁ Ãß°¡Çϱ⠶ÀÌ¿Í °°Àº ¿©·¯°³ÀÇ µ¥ÀÌÅ͸¦ ÇϳªÀÇ cacti ¿¡ ±×·¡ÇÁ¸¦ Ãß°¡ÇÏ·Á¸é µÎ°¡Áö ¹æ¹ýÀÌ ÀÖ´Ù. ±×°ÍÀº Data Input Methods ÀÇ ¸ñ·Ï¿¡¼ ³ª¿À´Â Get SNMP Data ¸¦ »ç¿ëÇÏ´Â ¹æ¹ý°ú Get SNMP Data (Indexed) ¸¦ »ç¿ëÇÏ´Â ¹æ¹ýÀÌ´Ù.
ÇѹøÀÇ ½ÇÇàÀ¸·Î ¿©·¯°³ÀÇ µ¥ÀÌÅ͸¦ ÇϳªÀÇ rrd µ¥ÀÌÅͺ£À̽º¿¡ ³Ö´Â ¹æ¹ýÀº Get SNMP Data (Indexed) Àε¥ ÀÌ°ÍÀ» »ç¿ëÇÏ·Á¸é /home/cacti/resource/snmp_queries µð·ºÅ丮¿¡ interface.xml °ú °°Àº XML ½ºÅ©¸³Æ®¸¦ ¸¸µé°í ¿¬°á½ÃÄÑ¾ß ÇÑ´Ù. ÇÕ¸®ÀûÀÎ ¹æ¹ýÀÌ°í È¿À²µµ ÁÁÀ¸³ª µ¥ÀÌÅ͸¦ º¸³»´Â¹æ¹ýÀÌ RFC ¿¡ ÀÏÄ¡ÇØ¾ß ÇÏ°í, º¹ÀâÇÏ´Ù.
´Ù¸¥ ¹æ¹ýÀ¸·Î ÇϳªÀÇ OID ÀÇ ´ÜÀÏ°ªÀ» ÃëÇÒ¶§´Â ÀÌÀüÀÇ ¸ÞÀÏÅ¥ÀÇ °¹¼ö¸¦ ¼¼¾î¼ ±×·¡ÇÁ¸¦ ±×¸±¶§°°ÀÌ Get SNMP Data ÀÌ¿ëÇÏ¸é µÇ´Âµ¥ ÀÌ·²¶§´Â ¿©·¯°³ÀÇ µ¥ÀÌÅͼҿÀ½º¸¦ ¹¾î¼ Ç¥ÇöÇÒ¼ö ÀÖµµ·Ï ±×·¡ÇÁÅÛÇø´À» ¸¸µé¾î ÁÖ¸é µÈ´Ù.
µ¥ÀÌÅÍÅÛÇø´ÀÇ »ý¼º ¶µ¥ÀÌÅÍ ÅÛÇø´À» »ý¼ºÇÏ´Â ¹æ¹ýÀº Get SNMP Data ·Î¼ ÇØ´ç OID °ª¿¡ ÇØ´çÇÏ´Â ³»¿ëÀ¸·Î Ãß°¡ÇÑ´Ù. ÀϹÝÀûÀÎ ³»¿ëÀº °°À¸¸ç ¸Ç³ªÁß¿¡ ÇØ´ç µ¥ÀÌÅÍÀÇ ¼ø¼¿¡ ÇØ´çÇÏ´Â °ªÀ» ³Ö´Â´Ù. ±×¸®°í ¸ÞÀÏÀÇ °¹¼ö´Â Áö¼ÓÀûÀ¸·Î Áõ°¡ÇÏ´Â °ªÀ» °¡Áö¹Ç·Î Data Source Type ¿¡ COUNTER ¸¦ ³Ö´Â´Ù.
¾Æ·¡ÀÇ È¸é ¿¹Á¦´Â HAM ¸ÞÀÏÀÇ °¹¼ö¸¦ ÀúÀåÇÏ´Â Data Source Type ÀÇ ¿¹Á¦ÀÌ´Ù.
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