{"id":102,"date":"2010-04-17T22:48:10","date_gmt":"2010-04-18T07:48:10","guid":{"rendered":"\/blog\/?p=102"},"modified":"2023-09-21T09:41:15","modified_gmt":"2023-09-21T00:41:15","slug":"syslog","status":"publish","type":"post","link":"https:\/\/hasu0707.duckdns.org\/blog\/?p=102","title":{"rendered":"syslog"},"content":{"rendered":"\n

\uc18c\uac1c <\/H3>\n
syslog\ub294 Unix<\/A> \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub85c\uadf8\uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574\uc11c \uc81c\uacf5\ud558\ub294 (\ub9e4\uc6b0 \uc624\ub798\ub41c)\ud45c\uc900 \uc778\ud130\ud398\uc774\uc2a4 \uc911 \ud558\ub098\ub2e4. \uc774\uac83\uc744 \uc774\uc6a9\ud558\uba74, \uc2dc\uc2a4\ud15c\uc774\ub098 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uac01\uc885 \uba54\uc2dc\uc9c0\ub97c \uccb4\uacc4\uc801\uc73c\ub85c \uad00\ub9ac\ud560 \uc218 \uc788\ub2e4. \ub610\ud55c \ud45c\uc900\uc774\uae30 \ub54c\ubb38\uc5d0, \uc6b4\uc601\uccb4\uc81c\uc5d0 \uad00\uacc4\uc5c6\uc774 \ub3d9\uc77c\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uc7a5\uc810\ub3c4 \uc81c\uacf5\ud55c\ub2e4.

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\uc751\uc6a9\ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \uad73\uc774 \uc774\ub7ec\ud55c \uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\ub294 \ub8e8\ud2f4\uc744 \ub9cc\ub4e4\uc9c0 \uc54a\uace0, syslog\ub97c \uc0ac\uc6a9\ud558\ub294\ub370\uc5d0\ub294 \uba87\uac00\uc9c0 \uc774\uc720\uac00 \uc788\ub2e4. \uc77c\ub2e8 \uba54\uc2dc\uc9c0\ucc98\ub9ac\ub97c \uc704\ud55c \ub8e8\ud2f4\uc5d0 \ud2b9\ubcc4\ud788 \uc2e0\uacbd\uc4f0\uc9c0 \uc54a\uace0 \ub2e4\ub978 \ud2b9\ud654\ub41c \ubaa8\ub4c8\uc5d0 \ub9de\uae40\uc73c\ub85c\uc368, \uc791\uc740\uac83\uc774 \uc544\ub984\ub2f5\ub2e4<\/STRONG> \ub77c\ub294 unix \ucca0\ud559\uc5d0 \ubd80\ud569\ub428\uacfc \ub3d9\uc2dc\uc5d0, \ucf54\ub529\uc2dc \ub77c\uc778\uc218\ub97c \ub300\ub2e8\ud788 \ub9ce\uc774 \uc904\uc77c\uc218 \uc788\ub2e4\ub77c\ub294 \uc810 \uadf8\ub9ac\uace0 \uac80\uc99d\ub41c \uc548\uc804\ud55c \ub3c4\uad6c\ub77c\ub294 \uc810\uc774\ub2e4.

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syslog\uc758 \uae30\ubcf8 <\/H3>\n
\uc774\ub7ec\ud55c \uac01 \uba54\uc2dc\uc9c0\uc758 \ucc98\ub9ac\ub294 syslogd \ub77c\ub294 \ub370\ubaac\ud504\ub85c\uadf8\ub7a8\uc5d0 \uc758\ud574\uc11c \ucc98\ub9ac\ub418\uac8c \ub418\ub294\ub370, syslogd \ub294 \ud504\ub85c\uc138\uc2a4\uc758 \uc2dc\uc791\uc2dc\uc5d0 \/etc\/syslog.conf \ub97c \uc77d\uc5b4\ub4e4\uc778\ub2e4. \uc774 \ud30c\uc77c\uc5d0\ub294 \uac01\uac01\uc758 \uba54\uc2dc\uc9c0\ub97c \uc131\uaca9\uc5d0 \ub9de\ub3c4\ub85d \ubd84\ub958\ud574\uc11c \uc800\uc7a5\ud558\uae30 \uc704\ud55c \uaddc\uce59\uc774 \uc815\uc758\ub418\uc5b4 \uc788\ub2e4. \ub2e4\uc74c\uc740 syslog.conf \uc758 \ud30c\uc77c\ub0b4\uc6a9\uc911 \uc77c\ubd80\uc774\ub2e4.

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syslog.conf \ub294 2\uac1c\uc758 \ud544\ub4dc\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\ub2e4. \uccab\ubc88\uc9f8 \ud544\ub4dc\ub294 \"selector\" \ud544\ub4dc \ub77c\uace0 \ubd88\ub9ac\uc6b0\ub294\ub370, \uc774 \ud544\ub4dc\ub294 \ub2e4\uc2dc facilities \uc640 priorities \uc758 \uac12\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\ub2e4. facilities \ub294 \ub85c\uadf8\uc758 \ubd84\ub958\ub97c \ub098\ud0c0\ub0b4\uace0 priorities \ub294 \uac01 \ubd84\ub958\uc5d0\uc11c\uc758 \ub85c\uadf8 \ub808\ubca8\uc744 \ub098\ud0c0\ub0b8\ub2e4.

\n
\uc77c\ubc18\uc801\uc778 \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud560\ub54c\ub3c4 \ub85c\uadf8\uc815\ucc45\uc740 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4. \ubcf4\ud1b5 \ub808\ubca8 1\uc740 \uac00\uc7a5 \ub0ae\uc740 \uc218\uc900\uc758 \ub514\ubc84\uadf8 \uba54\uc2dc\uc9c0 \ub808\ubca8 3\uc740 \ubaa8\ub4e0 \ub514\ubc84\uadf8 \uba54\uc2dc\uc9c0\ub97c \ubaa8\ub450 \ub0a8\uae30\ub294 \uc2dd\uc73c\ub85c \uc815\ud558\ub294\ub370 priorities<\/STRONG>\ub97c \uc774\uc6a9\ud574\uc11c \ubc1c\uc0dd\ub418\ub294 \ub85c\uadf8\uc5d0 \ub808\ubca8\uc744 \ubd80\uc5ec\ud574 \uc904 \uc218 \uc788\ub2e4.

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priority \ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ucee4\ub110\uc5d0 \uc815\uc758\ub418\uc5b4 \uc788\ub2e4.
#define KERN_EMERG    \"<0>\"  \/* system is unusable               *\/ \n#define KERN_ALERT    \"<1>\"  \/* action must be taken immediately *\/ \n#define KERN_CRIT     \"<2>\"  \/* critical conditions              *\/ \n#define KERN_ERR      \"<3>\"  \/* error conditions                 *\/ \n#define KERN_WARNING  \"<4>\"  \/* warning conditions               *\/ \n#define KERN_NOTICE   \"<5>\"  \/* normal but significant condition *\/ \n#define KERN_INFO     \"<6>\"  \/* informational                    *\/ \n#define KERN_DEBUG    \"<7>\"  \/* debug-level messages             *\/ \n <\/PRE>
\n
2\ubc88\uc9f8 \ud544\ub4dc\ub294 \"action\" \ud544\ub4dc\ub85c \uccab\ubc88\uc9f8\ud544\ub4dc\uc758 \ub8f0\uc5d0(facilities \uc640 priorities) \ubd80\ud569\ub418\ub294 \uba54\uc2dc\uc9c0\ub97c \uc5b4\ub5a0\ud55c \ud30c\uc77c\ub85c \ucc98\ub9ac\ud560\uac83\uc778\uc9c0\uc5d0 \ub300\ud55c \ud30c\uc77c\uc774\ub984\uc744 \uc815\uc758\ud574\ub450\uace0 \uc788\ub2e4. \uc720\ub2c9\uc2a4 \uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \/var\/log \ubc11\uc5d0 \uba54\uc2dc\uc9c0\ub97c \uc313\ub294\uac8c \uad00\ub840\uc774\ub2e4. \ub610\ud55c \ud30c\uc77c \ubfd0\ub9cc \uc544\ub2c8\ub77c \ud30c\uc774\ud504<\/A>\ub97c \ud1b5\ud574\uc11c \ub2e4\ub978 \uc751\uc6a9\ud504\ub85c\uadf8\ub7a8\uc5d0 \ub85c\uadf8\uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0b4\uc11c \ucc98\ub9ac\ud558\uac70\ub098, \uc6d0\uaca9\uc9c0\uc5d0 \uc788\ub294 \ub2e4\ub978 \uc720\ub2c9\uc2a4 \uc2dc\uc2a4\ud15c\uc73c\ub85c\ub3c4 \ubcf4\ub0bc \uc218 \uc788\ub2e4.

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\uc774\ubc88\uc5d0 \uc6b0\ub9ac\ub294 syslog \ub97c \uc774\uc6a9 \uba54\ubaa8\ub9ac\uc0c1\ud0dc\ub97c \uccb4\ud06c\ud574\uc11c 1\ucd08 \uac04\uaca9\uc73c\ub85c \uc6d0\uaca9\uc9c0\uc758 \ud638\uc2a4\ud2b8\uc5d0 \ubcf4\ub0b4\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\ub3c4\ub85d \ud558\uaca0\ub2e4.

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\n
syslog \ud568\uc218 <\/H3>\n
\ub9ac\ub205\uc2a4\ub294 \ud45c\uc900\ub77c\uc774\ube0c\ub7ec\ub9ac \ud615\ud0dc\ub85c syslog \ud568\uc218\ub97c \uc81c\uacf5\ud55c\ub2e4. \uc774 \ud568\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub418\uc5b4 \uc788\ub2e4.
#include <syslog.h> \n \nvoid syslog<\/A>(int priority, const char *format, ...); \n <\/PRE>\uc635\uc158\uc778 priority<\/STRONG>\ub294 syslog.h\uc5d0 \uc815\uc758\ub418\uc5b4 \uc788\ub294 priority \uc640 facility \uc758 \ube44\ud2b8\uc5f0\uc0b0\uc744 \ud1b5\ud574\uc11c \ub9cc\ub4e4 \uc218 \uc788\ub2e4.

\n
\ub2e4\uc74c\uc740 \uc815\uc758\ub418\uc5b4 \uc788\ub294 priority \uac12\ub4e4\ub85c kernel\uc758 priority \ub4e4\uacfc \ub300\uc751\ub428\uc744 \uc54c \uc218 \uc788\ub2e4.
#define LOG_EMERG   0   \/* system is unusable *\/ \n#define LOG_ALERT   1   \/* action must be taken immediately *\/ \n#define LOG_CRIT    2   \/* critical conditions *\/ \n#define LOG_ERR     3   \/* error conditions *\/ \n#define LOG_WARNING 4   \/* warning conditions *\/ \n#define LOG_NOTICE  5   \/* normal but significant condition *\/ \n#define LOG_INFO    6   \/* informational *\/ \n#define LOG_DEBUG   7   \/* debug-level messages *\/ \n <\/PRE>
\n
\ub2e4\uc74c\uc740 \uc815\uc758\ub418\uc5b4 \uc788\ub294 facility \uac12\ub4e4\uc774\ub2e4. \uc8fc\uc694 \uc751\uc6a9\ubcc4\ub85c facility \uac00 \ub098\ub204\uc5b4\uc838 \uc788\uc74c\uc744 \uc54c \uc218 \uc788\ub2e4.
#define LOG_KERN    (0<<3)  \/* kernel messages *\/ \n#define LOG_USER    (1<<3)  \/* random user-level messages *\/ \n#define LOG_MAIL    (2<<3)  \/* mail system *\/ \n#define LOG_DAEMON  (3<<3)  \/* system daemons *\/ \n#define LOG_AUTH    (4<<3)  \/* security\/authorization messages *\/ \n#define LOG_SYSLOG  (5<<3)  \/* messages generated internally by syslogd *\/ \n#define LOG_LPR     (6<<3)  \/* line printer subsystem *\/ \n#define LOG_NEWS    (7<<3)  \/* network news subsystem *\/ \n#define LOG_UUCP    (8<<3)  \/* UUCP subsystem *\/ \n#define LOG_CRON    (9<<3)  \/* clock daemon *\/ \n#define LOG_AUTHPRIV    (10<<3) \/* security\/authorization messages (private) *\/ \n#define LOG_FTP     (11<<3) \/* ftp daemon *\/ \n <\/PRE>
\n
\uadf8\ub7ec\ub098 \uc704\uc758 facility \uac12\ub4e4\ub9cc\uc744 \uac00\uc9c0\uace0\ub294 log\ub97c \ubd84\ub958\ud558\ub294\ub370 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc744 \uac83\uc774\ub2e4. \uc774\ub7f4\uacbd\uc6b0 \uc608\uc57d\ub41c facility \uac12\ub4e4\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.
#define LOG_LOCAL0  (16<<3) \/* reserved for local use *\/ \n#define LOG_LOCAL1  (17<<3) \/* reserved for local use *\/ \n#define LOG_LOCAL2  (18<<3) \/* reserved for local use *\/ \n#define LOG_LOCAL3  (19<<3) \/* reserved for local use *\/ \n#define LOG_LOCAL4  (20<<3) \/* reserved for local use *\/ \n#define LOG_LOCAL5  (21<<3) \/* reserved for local use *\/ \n#define LOG_LOCAL6  (22<<3) \/* reserved for local use *\/ \n#define LOG_LOCAL7  (23<<3) \/* reserved for local use *\/ \n <\/PRE>
\n
\n
\uc608\uc81c\ucf54\ub4dc \ub9cc\ub4e4\uae30 <\/H3>\n
\uac00\uc7a5 \uba3c\uc800 \uc6b0\ub9ac\ub294 syslog.conf \ub97c \uc218\uc815\ud574\uc11c \ud574\ub2f9 syslog \uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\ub3c4\ub85d \ub8f0\uc744 \ub9cc\ub4e4\uc5b4\uc918\uc57c \ud55c\ub2e4.

\n
\uba54\ubaa8\ub9ac \uc6a9\ub7c9\uc744 \uc704\ud574\uc11c selector \uc758 \uc774\ub984\uc740 mem\uc73c\ub85c \uc815\ud558\uace0, \ubaa8\ub4e0 priorities<\/A>(*)\uc5d0 \ub300\ud574\uc11c \ubc1b\uc544\ub4e4\uc774\uace0, \ubc1b\uc544\ub4e4\uc778 \uba54\uc2dc\uc9c0\ub294 \ud30c\uc77c\ub85c \uc313\ub3c4\ub85d \ud558\uaca0\ub2e4. 

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\uadf8\ub7ec\uba74 \uba54\uc2dc\uc9c0 \uc804\uc1a1\ud504\ub85c\uadf8\ub7a8\uc774 \ud30c\uc77c\uc758 \ub0b4\uc6a9\uc744 \uc6d0\uaca9\uc9c0 \ud638\uc2a4\ud2b8\ub85c \uc804\uc1a1\ud558\ub294 \ubc29\ubc95\uc744 \ucde8\ud558\ub3c4\ub85d \ud55c\ub2e4. \uc774 \ud504\ub85c\uadf8\ub7a8\uc758 \uad6c\uc131\uc744 \uac04\ub2e8\ud788 \uadf8\ub824\ubcf4\uba74 \uc544\ub798\uc640 \uac19\uc744 \uac83\uc774\ub2e4.

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 \n

<\/DIV>memchecker \uc740 \/proc\/meminfo \ud30c\uc77c\uc744 \uc8fc\uae30\uc801\uc73c\ub85c(1\ucd08 \ub2e8\uc704)\ub85c \uc77d\uc5b4\ub4e4\uc5ec\uc11c \uc774 \uac12\uc744 syslog \ub97c \ud1b5\ud574\uc11c \/var\/log\/mem \uc774\ub77c\ub294 \ud30c\uc77c\ub85c \ubcf4\ub0b8\ub2e4. memsender \uc740 \/var\/log\/mem \ud30c\uc77c\uc744 \uac10\uc2dc\ud558\uace0 \uc788\ub2e4\uac00 \uba54\uc2dc\uc9c0\uac00 \ucd94\uac00\ub418\uba74, \ud574\ub2f9 \uba54\uc2dc\uc9c0\ub97c \uc18c\ucf13\uc744 \ud1b5\ud574\uc11c memrecver \ub85c \ubcf4\ub0b4\ub3c4\ub85d \ud55c\ub2e4. memrecver \uc740 printf \ub97c \uc774\uc6a9\ud574\uc11c \ud574\ub2f9 \uba54\uc2dc\uc9c0\ub97c \ud654\uba74\uc0c1\uc5d0 \ucd9c\ub825\ud55c\ub2e4. 

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\uac00\uc7a5 \uba3c\uc800 \uc6b0\ub9ac\ub294 syslog.conf \ub97c \ud3b8\uc9d1\ud574\uc57c \ud558\ub294\ub370, \uae30\uc874\uc758 \ub85c\uadf8\ub4e4\uacfc \uacb9\uce58\uc9c0 \uc54a\ub3c4\ub85d facilities \uc640 priorities \ub97c \uc9c0\uc815\ud574\uc57c \ud55c\ub2e4.

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facilities \ub294 \ubbf8\ub9ac \uc815\uc758\ub418\uc5b4 \uc788\ub294\ub370, local0 \uc5d0\uc11c\ubd80\ud130 local7\uae4c\uc9c0\ub294 \uc0ac\uc6a9\uc790\uc815\uc758\ub97c \uc704\ud55c facilities \ub85c \ub0a8\uaca8\uc838 \uc788\ub2e4. \uc6b0\ub9ac\ub294 \uadf8\uc911 local0 \uc744 \uc0ac\uc6a9\ud558\ub3c4\ub85d \ud558\uace0 \ubaa8\ub4e0 priorites \uc5d0 \ub300\ud574\uc11c(\uc989 priorites \uad6c\ubd84\uc5c6\uc774) \uba54\uc2dc\uc9c0\ub97c \ubc1b\uc544\ub4e4\uc774\ub3c4\ub85d \ud560\uac83\uc774\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \ub0b4\uc6a9\uc744 \uc800\uc7a5\ud558\uc790 
local0.*            \/var\/log\/meminfo \n <\/PRE>\uc55e\uc73c\ub85c local0 \uc758 facilities \ub97c \uac00\uc9c0\ub294 \ubaa8\ub4e0 \uba54\uc2dc\uc9c0\ub294 \/var\/log\/meminfo \uc5d0 \uc313\uc774\uac8c \ub420\uac83\uc774\ub2e4. (linux\uc758 syslog.conf \ub294 \uc77c\ubc18\uc801\uc778 BSD\uc640\ub294 \uc870\uae08 \ub2e4\ub978\ub4ef \ud569\ub2c8\ub2e4. \ud604\uc7ac \uc0ac\uc6a9\uc911\uc778 Tru64\uc5d0\uc11c\ub294 local0.* \uc640 \uac19\uc774 \uc0ac\uc6a9\ud574\ub3c4 \ud2b9\ubcc4\ud55c \uc5d0\ub7ec\ub4f1\uc740 \uc5c6\uc9c0\ub9cc \uc544\ubb34\ub7f0 \ucd9c\ub825\uc774 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uad6c\uccb4\uc801\uc73c\ub85c local0.debug, local0.info \uc640 \uac19\uc774
\uc801\uc5b4\uc8fc\uc5b4\uc57c \ud558\ub354\uad70\uc694. \ub2e4\ub9cc facility \uc790\uccb4\ub098 message destination \uc5d0\ub294 * \uac00 \uc720\ud6a8\ud55c\ub4ef \ud569\ub2c8\ub2e4. - freesoft)

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syslog.conf \uc758 \ub0b4\uc6a9\uc744 syslogd \uac00 \uc778\uc2dd\ud558\ub3c4\ub85d \ud558\uae30 \uc704\ud574\uc11c syslogd \ub97c \ub2e4\uc2dc \uc2dc\uc791\ud558\ub3c4\ub85d \ud558\uc790.

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\n
\uc774\uc81c syslog \ub97c \uc0ac\uc6a9\ud560\ub54c facilities \ub97c local0 \uc73c\ub85c \uc9c0\uc815\ud574\uc8fc\uba74, \/var\/log\/meminfo \ub85c \ub85c\uadf8\uba54\uc2dc\uc9c0\uac00 \uc313\uc774\uac8c \ub41c\ub2e4.
#include <syslog.h> \n \nint main<\/A>(int argc, char **argv) \n{ \n    syslog(LOG_INFO|LOG_LOCAL0, \"hello world\\n\"); \n} \n \n[root@localhost test]# cat \/var\/log\/meminfo \n <\/PRE>
\n
\uc774\uc81c \ubcf8\uaca9\uc801\uc73c\ub85c \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud574 \ubcf4\ub3c4\ub85d \ud558\uc790. \uccab\ubc88\uc9f8 \ud504\ub85c\uadf8\ub798\uc740 \"memcheker\" \ub85c \/proc\/meminfo \ub97c \uc77d\uc5b4\ub4e4\uc5ec\uc11c \ub9e4\ucd08\ub9c8\ub2e4 syslog \ub97c \uc774\uc6a9\ud574\uc11c \uba54\uc2dc\uc9c0\ub97c \ud30c\uc77c\ub85c \ubcf4\ub0b4\ub294 \ud504\ub85c\uadf8\ub7a8\uc774\ub2e4.

\n
\uc608\uc81c : memcheker.c<\/STRONG>
#include <syslog.h> \n#include <stdio.h>  \n#include <unistd.h> \n \nstruct py_mem \n{ \n    char total[15]; \n    char used[15]; \n}; \n \nstruct sw_mem \n{ \n    char total[15]; \n    char used[15]; \n}; \n \nchar field_list[9][20]; \nvoid get_meminfo<\/A>(char *buf, int number); \n     \nint main<\/A>() \n{    \n    FILE *fp; \n    char buf_in[80]; \n    int  line_num = 0;  \n \n    struct py_mem real_mem; \n    struct sw_mem vir_mem; \n     \n    char mem_info[255]; \n \n    for<\/A>(;;) \n    { \n        line_num = 0; \n        fp = fopen(\"\/proc\/meminfo\", \"r\"); \n        if (fp == NULL) \n        { \n            perror<\/A>(\"file open error : \"); \n            exit<\/A>(0); \n        } \n        memset(buf_in, '\\0', 80); \n        while(fgets(buf_in, 80, fp) != NULL) \n        { \n            if (line_num == 0) \n            { \n                line_num++; \n                continue; \n            } \n            else if (line_num == 1) \n            { \n                buf_in[strlen<\/A>(buf_in) -1] = '\\0'; \n                get_meminfo<\/A>(buf_in,7); \n                sprintf(mem_info, \"%s,%s,%s,%s,%s,%s\", \n                                field_list[1], field_list[2], \n                                field_list[3], field_list[4], \n                                field_list[5], field_list[6]); \n            } \n            else if (line_num == 2) \n            { \n                get_meminfo<\/A>(buf_in,2); \n                sprintf(mem_info, \"%s,%s,%s\\n\", mem_info, field_list[1], field_list[2]); \n            } \n            if (line_num == 3) \n            { \n                break; \n            } \n \n            memset(buf_in, '\\0', 80); \n            line_num++; \n        } \n        fclose<\/A>(fp); \n        syslog(LOG_INFO|LOG_LOCAL0, mem_info); \n        sleep<\/A>(1); \n    } \n} \n \nvoid get_meminfo<\/A>(char *buf, int number) \n{ \n    char field_buf[20]; \n    int i; \n    int j; \n    int field = 0; \n    struct py_mem buf_mem; \n \n    for (i = 0; i < 7; i++) \n        memset(field_list[i], '\\0', 20); \n \n    for (i = 0, j=0; i < strlen<\/A>(buf); i++) \n    { \n        if (buf[i] == ' ') \n        { \n            if (buf[i+1] == ' ') \n            { \n                continue; \n            } \n            else \n            { \n                if (field == number) \n                    return; \n                field++; \n                j = 0; \n            } \n        } \n        else \n        { \n            field_list[field][j] = buf[i]; \n            j++; \n        } \n    } \n} \n <\/PRE>\uc704\uc758 \ud504\ub85c\uadf8\ub7a8\uc740 \/proc\/meminfo \uc744 \uc5f4\uc5b4\uc11c 2\ubc88\uc9f8 \uc640 3\ubc88\uc9f8 \ub77c\uc778\uc758 \uc815\ubcf4\ub97c \uc77d\uc5b4\ub4e4\uc778\ub2e4. 
 
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\uadf8\ub2e4\uc74c get_meminfo<\/A>() \ud568\uc218\ub97c \uc774\uc6a9\ud574\uc11c, \uc6b0\ub9ac\uac00 \ud544\uc694\ub85c\ud558\ub294 \uc815\ubcf4\ub97c \uac00\uc838\uc628\ub2e4. \uac00\uc838\uc628 \uc815\ubcf4\ub294 csv \uc2a4\ud0c0\uc77c\ub85c \ubcc0\uacbd\uc2dc\ud0a8\ub2e4\uc74c, syslog \ub97c \uc774\uc6a9\ud574\uc11c \ud30c\uc77c\uc5d0 \uc4f0\ub3c4\ub85d \ud55c\ub2e4.

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\ucef4\ud30c\uc77c\ud6c4 \uc2e4\uc81c\ub85c \/var\/log\/meminfo \uc5d0 \uc801\uc7ac\ub418\ub294\uc9c0 tail<\/A>(1) \uc744 \uc774\uc6a9\ud574\uc11c \ud655\uc778\ud574 \ubcf4\ub3c4\ub85d \ud558\uc790.

\n
 
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\uc544\ub9c8 1\ucd08\ub9c8\ub2e4 \ub77c\uc778\uc774 \uac31\uc2e0\ub418\ub294\uac78 \ubcfc\uc218 \uc788\uc744\uac83\uc774\ub2e4. \uae00\uc774 \uc0c1\ub2f9\ud788 \uae38\uc5b4\uc9c4 \uad00\uacc4\ub85c \uc624\ub298\uc740 memchecker.c \uae4c\uc9c0\ub9cc \ud558\uace0, \ub098\uba38\uc9c0 \ud504\ub85c\uadf8\ub7a8\uc778 memrecver \uacfc memsender \uc740 \ub2e4\uc74c \ubb38\uc11c\uc5d0\uc11c \ub2e4\ub8e8\ub3c4\ub85d \ud558\uaca0\ub2e4.

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syslog\ub97c \ub2e4\ub978 \ud638\uc2a4\ud2b8\ub85c \ubcf4\ub0b4\uae30 <\/H3>\n
\uc704\uc5d0\uc11c \uc5b8\uae09\ub418\uc5c8\ub2e4 \uc2dc\ud53c, \ub85c\uadf8\ub97c \ud30c\uc77c \ubfd0\ub9cc \uc544\ub2c8\ub77c \ub2e4\ub978 \ud638\uc2a4\ud2b8\ub85c \ubcf4\ub0bc \uc218\ub3c4 \uc788\ub2e4. @\ub4a4\uc5d0 \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0bc \ud638\uc2a4\ud2b8\uba85\uc744 \uc801\uc5b4\uc8fc\uae30\ub9cc \ud558\uba74 \ub41c\ub2e4. \ub9cc\uc57d local0<\/STRONG>\uc758 \ubaa8\ub4e0 \ub808\ubca8\uc758 syslog\ub97c syslog.joinc.co.kr \ub85c \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0b4\uace0 \uc2f6\ub2e4\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc124\uc815\ud558\uba74 \ub41c\ub2e4.
local0.*            @syslog.joinc.co.kr \n <\/PRE>
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syslog \uba54\uc2dc\uc9c0\ub97c \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc73c\ub85c \ubcf4\ub0b4\uae30 <\/H3>\n
\ub85c\uadf8 \uba54\uc2dc\uc9c0\ub97c \ubd84\uc11d\ud574\uc11c \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\ub97c \ud0c0\uac8c \ud558\uace0 \uc2f6\uc744\ub54c\uac00 \uc788\uc744 \uac83\uc774\ub2e4. \ub85c\uadf8\uba54\uc2dc\uc9c0\ub97c SMS - \ub2e8\ubb38\uba54\uc2dc\uc9c0 - \ub85c \ubcf4\ub0b4\ub294 \uac83\uacfc \uac19\uc740\uac8c \ub300\ud45c\uc801\uc778 \uacbd\uc6b0\uac00 \ub420 \uac83\uc774\ub2e4. \ud639\uc740 \uba54\uc77c\ub85c \ubcf4\ub0b4\uace0 \uc2f6\uc740 \uacbd\uc6b0\ub3c4 \uc0dd\uae38 \uac83\uc774\ub2e4. \uc774\uacbd\uc6b0\ub97c \uc704\ud574\uc11c syslog \uba54\uc2dc\uc9c0\ub97c \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc73c\ub85c \ud30c\uc774\ud504\ub97c \ud1b5\ud574\uc11c \ub118\uae30\uba74 \ub41c\ub2e4. |<\/STRONG>\ub4a4\uc5d0 \ud504\ub85c\uadf8\ub7a8\uba85\uc744 \uc801\uc5b4\uc8fc\uae30\ub9cc \ud558\uba74 \ub41c\ub2e4. \ub9cc\uc57d \ub85c\uadf8 \uba54\uc2dc\uc9c0\ub97c mymail \uc774\ub77c\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \ud1b5\ud574\uc11c, \uba54\uc77c\ub85c \ubcf4\ub0b4\uae38 \uc6d0\ud55c\ub2e4\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 syslog.conf \ub97c \uc218\uc815\ud558\uba74 \ub41c\ub2e4.
local0.*       |\/usr\/local\/mymail \n<\/PRE><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV><\/DIV>\n","protected":false},"excerpt":{"rendered":"
\uc18c\uac1c syslog\ub294 Unix \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub85c\uadf8\uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574\uc11c \uc81c\uacf5\ud558\ub294 (\ub9e4\uc6b0 \uc624\ub798\ub41c)\ud45c\uc900 \uc778\ud130\ud398\uc774\uc2a4 \uc911 \ud558\ub098\ub2e4. \uc774\uac83\uc744 \uc774\uc6a9\ud558\uba74, \uc2dc\uc2a4\ud15c\uc774\ub098 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uac01\uc885 \uba54\uc2dc\uc9c0\ub97c \uccb4\uacc4\uc801\uc73c\ub85c \uad00\ub9ac\ud560 \uc218 \uc788\ub2e4. \ub610\ud55c \ud45c\uc900\uc774\uae30 \ub54c\ubb38\uc5d0, \uc6b4\uc601\uccb4\uc81c\uc5d0 \uad00\uacc4\uc5c6\uc774 \ub3d9\uc77c\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uc7a5\uc810\ub3c4 \uc81c\uacf5\ud55c\ub2e4. \uc751\uc6a9\ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \uad73\uc774 \uc774\ub7ec\ud55c \uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\ub294 \ub8e8\ud2f4\uc744 \ub9cc\ub4e4\uc9c0 \uc54a\uace0, syslog\ub97c \uc0ac\uc6a9\ud558\ub294\ub370\uc5d0\ub294 \uba87\uac00\uc9c0 \uc774\uc720\uac00 \uc788\ub2e4. \uc77c\ub2e8 \uba54\uc2dc\uc9c0\ucc98\ub9ac\ub97c \uc704\ud55c \ub8e8\ud2f4\uc5d0 \ud2b9\ubcc4\ud788 \uc2e0\uacbd\uc4f0\uc9c0 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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