<\/p>\n
\ub85c\uadf8 \ub808\ubca8 debug > info > notice > warn > error > crit > alert > emerg<\/p>\n
emerg \uae34\uae09 – \uc2dc\uc2a4\ud15c\uc774 \uc4f8\ubaa8\uc5c6\uc5b4\uc84c\uc74c
\n“Child cannot open lock file. Exiting”<\/p>\n
alert \uc989\uc2dc \ud589\ub3d9\uc744 \ucde8\ud574\uc57c \ud558\ub294 \uacbd\uc6b0.
\n“getpwuid: couldn’t determine user name from uid”<\/p>\n
crit \uce58\uba85\uc801\uc778 \uc0c1\ud0dc
\n“socket: Failed to get a socket, exiting child”<\/p>\n
error \uc5d0\ub7ec \uc0c1\ud0dc
\n“Premature end of script headers”<\/p>\n
warn \uacbd\uace0 \uc0c1\ud0dc
\n“child process 1234 did not exit, sending another SIGHUP”<\/p>\n
notice \ubcf4\ud1b5, \ud558\uc9c0\ub9cc \uc758\ubbf8\uc2ec\uc7a5\ud55c \uc0c1\ud0dc
\n“httpd: caught SIGBUS, attempting to dump core in …”<\/p>\n
info \uc815\ubcf4
\n“Server seems busy, (you may need to increase StartServers, or Min\/MaxSpareServers)…”<\/p>\n
debug \ub514\ubc84\uadf8 \uc218\uc900 \uba54\uc138\uc9c0
\n“Opening config file …”<\/p>\n
logger<\/p>\n
logger [-is] [-f file] [-p pri] [-t tag] [message ...]<\/pre>\n\uc2dc\uc2a4\ud15c \ub85c\uadf8\ub97c \uae30\ub85d\ud558\ub294 \uba85\ub839, \ub85c\uadf8\ub294 \/var\/log\/messages \uc2dc\uc2a4\ud15c \ub85c\uadf8 \uae30\ub85d \ud30c\uc77c\uc5d0 \uc800\uc7a5.
\nlogger \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud55c \ud6c4\uc5d0, tail -n 3 \/var\/log\/messages \uba85\ub839\uc73c\ub85c \ub85c\uadf8\uac00 \uae30\ub85d\ub41c \uac83\uc744 \ud655\uc778 \uac00\ub2a5.<\/p>\nlogrotate
\n\uc2dc\uc2a4\ud15c \ub85c\uadf8 \ud30c\uc77c\uc744 \uad00\ub9ac\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9. \ub85c\ud14c\uc774\ud2b8, \uc555\ucd95, \uc0ad\uc81c, \uc774\uba54\uc77c \ubc1c\uc1a1 \ub4f1\uc758 \uae30\ub2a5 \uc0ac\uc6a9 \uac00\ub2a5.
\n\uc77c\ubc18\uc801\uc73c\ub85c cron\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc8fc\uae30\uc801\uc73c\ub85c logrotate\ub97c \uc2e4\ud589\ud558\uc5ec \ub85c\uadf8 \ud30c\uc77c\uc744 \uad00\ub9ac.
\n\/etc\/logrotate.conf\uc5d0 \uc801\ub2f9\ud55c \ub0b4\uc6a9\uc744 \uc801\uc5b4\uc8fc\uba74 \uc2dc\uc2a4\ud15c \uc804\uccb4 \ub85c\uadf8\ubfd0\ub9cc \uc544\ub2c8\ub77c \uac1c\uc778\uc6a9 \ub85c\uadf8 \ud30c\uc77c\uc744 \uad00\ub9ac\ud560 \uc218 \uc788\ub2e4<\/p>\n\/etc\/syslog.conf\r\nmail.* -\/var\/log\/maillog\r\ncron.* \/var\/log\/cron<\/pre>\n\uc704 \uc2e4\ud589\uc2dc \uc2e4\ud589 \uba54\uc138\uc9c0\ub97c \ub4a4\uc5d0 \uacbd\ub85c\uc5d0 \uc800\uc7a5\uc774 \ub418\ub3c4\ub85d\ub41c\ub2e4.<\/p>\n
*.info;mail.none;news.none;authpriv.none;cron.none \/var\/log\/messages<\/pre>\n\uc704\ub97c \ubcf4\uba74 *.\uc778\ud3ec \ud6c4\uc5d0 mail.none; \uc5ec\uae30\uc758 . \uc740 = \uacfc \uac19\ub2e4.<\/p>\n
ingo\ub808\ubca8 \uc544\ub798 \uc911\uc5d0 mail\uc740 \uc81c\uc678\ud55c\ub2e4\ub294 \ub73b\uc774\ub2e4 \ub4a4\uc5d0 news, authprivcron \ub3c4 \uac19\uc73c\ubbc0\ub85c.
\n* \ubaa8\ub4e0 \ud30c\uc77c\uc911\uc5d0 \uc704\ub294 \uc81c\uc678\ud558\uace0 \uacbd\ub85c\uc5d0 \uc800\uc7a5\ub41c\ub2e4\ub294\uac83\uc774\ub2e4.<\/p>\n\uc124\uc815 \ud6c4 \uc7ac\uc2dc\uc791<\/p>\n
]# service syslog restart<\/pre>\n\uc5d0\ub7ec ex) logger -p mail.crit “asdf asdf .. ”<\/p>\n
\uc124\uc815\uc5d0\uc11c err\uc774\uc0c1\uc774\ub77c \uc124\uc815\ud588\ub2e4\uba74 \ud655\uc778\uc2dc\uc5d0\ub294 \uadf8\uc774\uc0c1\uc758 \ub808\ubca8\ub85c \uc608\ub97c \ub454\ub2e4.
\nmessage\ub97c \ud074\ub77c\uc774\uc5b8\ud2b8\ucabd\uc5d0 \ubcf4\ub0b4\uc8fc\ub824 \ud560\ub54c, \ubcf4\ub0b4\ub294\ucabd\uc740 \uc5b4\ub5a4\uba54\uc138\uc9c0\uac00 \ubc1c\uc0dd\uc2dc\uc5d0 \uacbd\ub85c\ub97c \uc801\uc5b4\uc8fc\uba74 master\uce21\uc758 \uacbd\ub85c\uc5d0 \uc800\uc7a5\uc774 \ub418\ub294\uac83\uc778\ub370 \uacbd\ub85c\uc5d0 \ud074\ub77c\uc774\uc5b8\ud2b8 \uc544\uc774\ud53c\ub098 \ud638\uc2a4\ud2b8\uba85\uc744 @\uc640\ud568\uaed8 \uc801\uc5b4\uc900\ub2e4.
\nex) @centos2 \ub77c\uace0 \ud558\uace0 \ubc1b\ub294\ucabd\uc5d0\uc11c\ub294 \uc5b4\ub5a4\uba54\uc138\uc9c0\uac00 \ubc1c\uc0dd\uc2dc\uc5d0 \uc5b4\ub290 \uacbd\ub85c\ub85c \uc801\uc5b4\uc904\uc9c0 \uc9c0\uc815\ud574\uc8fc\uace0 \uc11c\ube44\uc2a4 \uc7ac\uc2dc\uc791 \ud558\uba74 \ub41c\ub2e4.<\/p>\nlogrotate\ub97c \uc124\uce58\ud558\uac8c \ub418\uba74 \uc790\ub3d9\uc73c\ub85c crontab \uc5d0 \ub4f1\ub85d\ub41c\ub2e4.<\/p>\n
]# ls \/etc\/cron.daily\/logrotate\r\n\/etc\/cron.daily\/logrotate\r\n]# grep cron.daily \/etc\/crontab\r\n02 4 * * * root run-parts \/etc\/cron.daily\r\n<\/pre>\nlogwatch
\n– \ub85c\uadf8\ub97c \uc815\ub9ac\ud574\uc11c \uc9c0\uc815\ub41c \uba54\uc77c\uc8fc\uc18c\ub85c \ubcf4\ub0b4\uc900\ub2e4.(\uc124\uce58\ud560\ub54c \ud06c\ub860\uc5d0 \ud558\ub8e8 \ud55c\ubc88 \uc2e4\ud589\ub418\uac8c \ub4f1\ub85d\ub41c\ub2e4)<\/p>\n]# ls -l \/usr\/sbin\/logwatch<\/pre>\n\uc8fc\uc694\uc635\uc158
\n–detail level ( level \uc740 low, medium, high \ub610\ub294 0,5,10)
\n–service servicename (\ud2b9\uc815\uc11c\ube44\uc2a4\uc758 \uae30\ub85d\ub9cc \ucd9c\ub825\ud560 \uacbd\uc6b0)
\n–print \ud45c\uc900\ucd9c\ub825\uc73c\ub85c \ucd9c\ub825
\n–range (yesterday,today,all)
\n–save file\uba85 (\ucd9c\ub825\uc744 \ud30c\uc77c\ub85c \uc800\uc7a5)
\n–logdir \ub514\ub809\ud1a0\ub9ac\uba85 (\ub514\ud3f4\ud2b8 \ub514\ub809\ud1a0\ub9ac\ub300\uc2e0 \uc0ac\uc6a9)
\nex)<\/p>\n]# logwatch --service sshd --detail low --print\r\nLogDir = \/var\/log\r\nMailTo = root; \uacc4\uc815\uc744 \uc801\uac70\ub098 \uc644\uc804\ud55c \uc774\uba54\uc77c \uc8fc\uc18c\ub97c \uc801\ub294\ub2e4.\r\nMailFrom = logwatch; \uba54\uc77c\ub85c \ubc1b\uc558\uc744\ub54c \uc218\uc2e0\uc790\uac00 logwatch\ub85c \ud45c\uc2dc\ub41c\ub2e4.\r\nDetail = Low; High \ub85c \uc124\uc815\ud558\uba74 \uc880 \ub354 \uc790\uc138\ud55c \ub85c\uadf8\ub97c \ubcfc\uc218 \uc788\ub2e4.\r\n<\/pre>\n<\/p>\n","protected":false},"excerpt":{"rendered":"
\ub85c\uadf8 \ub808\ubca8 debug > info > notice > warn > error > crit > alert > emerg emerg \uae34\uae09 – \uc2dc\uc2a4\ud15c\uc774 \uc4f8\ubaa8\uc5c6\uc5b4\uc84c\uc74c “Child cannot open lock file. Exiting” alert \uc989\uc2dc \ud589\ub3d9\uc744 \ucde8\ud574\uc57c \ud558\ub294 \uacbd\uc6b0. “getpwuid: couldn’t determine user name … Continue reading