{"id":186,"date":"2008-06-27T02:39:32","date_gmt":"2008-06-27T02:39:32","guid":{"rendered":"http:\/\/apollo89.com\/wordpress\/?p=186"},"modified":"2013-01-26T12:20:59","modified_gmt":"2013-01-26T03:20:59","slug":"crontab-%ec%82%ac%ec%9a%a9%eb%b2%95","status":"publish","type":"post","link":"https:\/\/apollo89.com\/wordpress\/?p=186","title":{"rendered":"crontab \uc0ac\uc6a9\ubc95.."},"content":{"rendered":"

 <\/p>\n

1) \ud604\uc7ac cron deamon\uc774 \ub3cc\uace0 \uc788\ub294\uc9c0 \ud655\uc778\u2028
\nps -ef | grep cron\u2028\u2028<\/p>\n

2) cron deamon kill
\n\u2028kill -9 “pid of cron”\u2028\u2028<\/p>\n

3) deamon \uc7ac\uc2e4\ud589\u2028
\n\/usr\/sbin\/cron<\/p>\n

4) \uba85\ub839\uc5b4 \uc704\uce58\u2028
\n\/usr\/bin\/crontab<\/p>\n

5) \uc0ac\uc6a9\ud615\uc2dd
\n\u2028crontab [ -u \uc0ac\uc6a9\uc790ID ] \ud30c\uc77c
\n\u2028crontab [ -u \uc0ac\uc6a9\uc790ID ] { -l | -r | -e }<\/p>\n

1. \uac1c\uc694
\n\u2028cron(\ud06c\ub860)\uc740 \uc6d0\ud558\ub294 \uc2dc\uac04\uc5d0 \uba85\ub839(\ud504\ub85c\uadf8\ub7a8)\uc744 \uc2dc\ud0a4\uae30 \uc704\ud55c \ub370\ubaac\uc774\ub2e4.\u2028
\n\uc11c\ubc84\ub294 \ub298 \uae68\uc5b4\uc788\ub2e4\ub294 \uac83\uc744 \uc774\uc6a9\ud55c \ucd5c\ub300\ud55c\uc758 \ud65c\uc6a9\ubc95\uc774 \ub420 \uc218 \uc788\ub2e4.
\n – \ub0b4\uac00 \uc0c8\ubcbd 3\uc2dc\uc5d0 \uc11c\ubc84\uc5d0 \ud2b9\uc815 \uc791\uc5c5\uc744 \ud574\uc918\uc57c\ud558\ub294\ub370 \uadf8 \ub54c \uae68\uc5b4\uc788\uc744 \uc218 \uc788\ub294\uac00?
\n – \ub610\ub294 30\ubd84 \uac04\uaca9\uc73c\ub85c HDD\uc758 \uc0ac\uc6a9\ub7c9\uc744 \uc6b4\uc601\uc790\uc5d0\uac8c \uc54c\ub9ac\ub3c4\ub85d \ud574\uc57c\ud55c\ub2e4\uba74?
\n – \ub9e4\uc6d4 \ucd08\uc5d0 \uc790\ub8cc\ub97c \ubc31\uc5c5 \ubc1b\uace0 \uc2f6\ub2e4\uba74?<\/p>\n

\ubc14\ub85c \uc774\ub7f4 \ub54c cron\uc740 \ucd5c\uace0\uc758 \ud574\uacb0\ucc45\uc744 \uc81c\uc2dc\ud55c\ub2e4.\u2028
\ncron\uc740 \ud56d\uc0c1 \uc9c0\uc815\ud55c \uc2dc\uac04\uc774 \ub418\uc5c8\ub294\uc9c0 \ud655\uc778\uc744 \ud558\uc5ec \ud574\ub2f9 \uba85\ub839\uc5b4\uc744 \uc2e4\ud589\ud558\ub294 \uac83\uc774\ub2e4. <\/p>\n

\uc2dc\uc2a4\ud15c\uc758 \ucd5c\uc801\ud654\uc758 \uae30\ubc95\uc740 \uc77c\uc815 \uc2dc\uac04 \ub2e8\uc704\ub85c \ucd5c\ub300\ud55c\uc758 \uc131\ub2a5\uc744 \ubc1c\ud718\ud558\ub3c4\ub85d \ub3c4\uc640\uc8fc\ub294 \uac83\uc774\ub2e4. \uc989, \uc8fc\uae30\uc801\uc73c\ub85c \uc6b4\uc601 \uc911\uc5d0 \ub9cc\ub4e4\uc5b4\uc9c4 \ud544\uc694\ud558\uc9c0 \uc54a\ub294 \uc784\uc2dc \ud30c\uc77c\uc744 \uc815\ub9ac\ud558\uac70\ub098, \uc6b4\uc601\uccb4\uc81c \uc6b4\uc601\uc5d0 \ud544\uc694\ud55c \ub370\uc774\ud130\ub97c \uac31\uc2e0\ud558\ub294 \ub4f1\uc758 \uc791\uc5c5\uc744 \ud1b5\ud574 \ub9ac\ub205\uc2a4\uac00 \ucd5c\uc801\uc758 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\uac8c \ud560 \uc218 \uc788\ub2e4.<\/p>\n

2. cron \uc124\uc815
\n\u20281) crontab \ud30c\uc77c \uc704\uce58 \ubc0f \uc870\ud68c\u2028
\n\uc791\uc5c5 \uc124\uc815 \ud30c\uc77c\uc744 crontab \ud30c\uc77c\uc774\ub77c\uace0 \ubd80\ub974\uba70, \uc774 \ud30c\uc77c\uc758 \uc704\uce58\ub294 OS\ubcc4\ub85c \ucc28\uc774\uac00 \uc788\ub2e4.\u2028
\n\ub9ac\ub205\uc2a4\ub294 \/var\/spool\/cron\/ID, \uc194\ub77c\ub9ac\uc2a4\ub294 \/var\/spool\/corn\/crontabs\/ID\uc5d0 \uc704\uce58\ud55c\ub2e4.
\n\u2028\uadf8\ub7fc \uc774 \ud30c\uc77c\uc744 \uc9c1\uc811 \uc218\uc815\ud574\uc57c \ud558\ub294\uac00? \uadf8\ub807\uc9c0 \uc54a\ub2e4. crontab \uba85\ub839\uc744 \ud1b5\ud574 \uc124\uc815\uacfc \uc870\ud68c\ub97c \ud55c\ub2e4.\u2028\u2028<\/p>\n

crontab \uc124\uc815 \ud30c\uc77c\uc744 \uc0c8\ub86d\uac8c \ud3b8\uc9d1\ud558\uace0\uc790 \ud55c\ub2e4\uba74 -e \uc635\uc158\uc744 \uc8fc\uace0, \uc218\uc815\ud558\uae30 \uc804\uc5d0 \ud604\uc7ac \ub4f1\ub85d\ub41c \ub0b4\uc6a9\uc744 \ubcf4\uace0\uc790 \ud55c\ub2e4\uba74 -l \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba70, \ub4f1\ub85d\ub41c \ub0b4\uc6a9\uc744 \uc0ad\uc81c\ud558\ub824\uba74 -d \uc635\uc158\uc744 \uc0ac\uc6a9\ud55c\ub2e4<\/p>\n

\uc124\uc815 \ub0b4\uc6a9\uc744 \uc870\ud68c\ud574 \ubcf4\uc790 (-l \uc635\uc158) <\/p>\n

\u2028$ crontab -l\r\n\u2028no crontab for truefeel\r\n<\/pre>\n
\u2028\uc124\uc815\ud55c \uc801\uc774 \uc5c6\uc5b4 \uc544\uc9c1 \ube44\uc5b4\uc788\ub2e4.<\/p>\n
– \/etc\/crontab \ud30c\uc77c
\n\u2028- \/etc\/rc.d\/init.d\/crond \uc2a4\ud06c\ub9bd\ud2b8
\n\u2028- \/var\/spool\/cron \ub514\ub809\ud1a0\ub9ac \ub0b4\uc758 \ud06c\ub860 \uc124\uc815 \ud30c\uc77c\ub4e4<\/p>\n
2) crontab \ud30c\uc77c \ud615\uc2dd\u2028
\n———- \u00a0\u00a0 ———-\u00a0 —————————————————\u2028
\n \ud544\u00a0 \ub4dc \u00a0 \u00a0 \u00a0\u00a0 \uc758\u00a0 \ubbf8 \u00a0 \u00a0\u00a0 \ubc94\u00a0 \uc704\u2028
\n———- \u00a0\u00a0 ———-\u00a0 —————————————————
\n\u2028\uccab \ubc88\uc9f8  \u00a0 \u00a0 \u00a0\u00a0\ubd84 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0-59\u2028
\n\ub450 \ubc88\uc9f8 \u00a0 \u00a0 \u00a0\u00a0 \uc2dc \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0-23\u2028
\n\uc138 \ubc88\uc9f8 \u00a0 \u00a0 \u00a0\u00a0 \uc77c \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0-31\u2028
\n\ub124 \ubc88\uc9f8 \u00a0 \u00a0 \u00a0\u00a0 \uc6d4 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1-12\u2028
\n\ub2e4\uc12f \ubc88\uc9f8 \u00a0 \u00a0\u00a0 \uc694\uc77c \u00a0 \u00a0 \u00a0 \u00a0  0-7 (0 \ub610\ub294 7=\uc77c\uc694\uc77c, 1=\uc6d4, 2=\ud654, …)\u2028
\n\uc5ec\uc12f \ubc88\uc9f8 \u00a0 \u00a0\u00a0 \uba85\ub839\uc5b4 \u00a0 \u00a0 \u00a0  \uc2e4\ud589\ud560 \uba85\ub839\uc744 \ud55c\uc904\ub85c \uc4f4\ub2e4.
\n\u2028———- \u00a0\u00a0 ———-\u00a0 —————————————————<\/p>\n
– \ubaa8\ub4e0 \uc5d4\ud2b8\ub9ac \ud544\ub4dc\ub294 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ub41c\ub2e4.
\n\u2028- \ud55c \uc904\ub2f9 \ud558\ub098\uc758 \uba85\ub839 (\ub450\uc904\ub85c \ub098\ub220\uc11c \ud45c\uc2dc\ud560 \uc218 \uc5c6\uc74c)\u2028
\n– # \uc73c\ub85c \uc2dc\uc791\ud558\ub294 \uc904\uc740 \uc2e4\ud589\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n
\uc124\uc815\uc744 \ud574\ubcf4\uc790. (-e \uc635\uc158)
\n\u2028crontab -e\uc744 \ud558\uba74 vi \uc5d0\ub514\ud130\uac00 \ub098\uc628\ub2e4(\ud658\uacbd\ubcc0\uc218 EDITOR\uc5d0 \ub530\ub77c \ub2e4\ub978 \uc5d0\ub514\ud130\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4).\u2028\u00a0<\/p>\n
\u2028$ crontab -e\u2028\r\n# \/home \ub514\ub809\ud1a0\ub9ac\ub97c \/BACKUP\/home\uc73c\ub85c \ubc31\uc5c5\ud574\ub460\r\n\u2028#\r\n\u2028# 30\ubd84, \uc0c8\ubcbd 4\uc2dc\uc640 \ub0ae 12\uc2dc, \ubaa8\ub4e0 \uc77c, \ubaa8\ub4e0 \uc6d4, \ubaa8\ub4e0 \uc694\uc77c \u2028\r\n30 4,12 * * *\u00a0 \/usr\/bin\/rsync -avxH --delete \/home \/BACKUP\/home > \/dev\/null 2>&1\u2028\r\n#\r\n\u2028# \ud30c\uc77c\/\ub514\ub809\ud1a0\ub9ac \ud37c\ubbf8\uc158 \uc124\uc815\r\n\u2028# 40\ubd84, \uc0c8\ubcbd 1\uc2dc, \ub9e4\uc8fc \uc77c\uc694\uc77c\r\n\u202840 1 * * 0\u00a0 \/root\/bin\/perm_set.sh \u00a0 > \/dev\/null 2>&1\r\n<\/pre>\n
\uc704\ub294 \ub9e4\uc77c 4:30\ubd84\uacfc 12:30\ubd84\uc5d0 rsync \uba85\ub839\uc744, \ub9e4\uc8fc \uc77c\uc694\uc77c 1:40\ubd84\uc5d0 perm_set.sh\ub97c \uc2e4\ud589\ud568\uc744 \uc758\ubbf8\ud55c\ub2e4.<\/p>\n
3) \uc124\uc815 \uc608
\n\uc2dc\uac04 \uc124\uc815\uc5d0\uc11c \uba87\uac00\uc9c0 \uc758\ubbf8\uc788\ub294 \uac83\ub4e4\uc744 \uc54c\uc544\ubcf4\uc790.
\n\u2028- ‘*’\ud45c\uc2dc\ub294 \ud574\ub2f9 \ud544\ub4dc\uc758 \ubaa8\ub4e0 \uc2dc\uac04\uc744 \uc758\ubbf8\ud55c\ub2e4.\u2028
\n– 3,5,7\uc640 \uac19\uc774 \ucf64\ub9c8(,)\ub85c \uad6c\ubd84\ud558\uc5ec \uc5ec\ub7ec \uc2dc\uac04\ub300\ub97c \uc9c0\uc815\ud560 \uc218 \uc788\ub2e4.\u2028
\n– 2-10\uc640 \uac19\uc774 \ud558\uc774\ud508(-)\uc73c\ub85c \uc2dc\uac04 \ubc94\uc704\ub3c4 \uc9c0\uc815\ud560 \uc218 \uc788\ub2e4.
\n\u2028- 2-10\/3\uc640 \uac19\uc774 \ud558\uc774\ud508(-)\uc73c\ub85c \uc2dc\uac04 \ubc94\uc704\ub97c \uc2ac\ub798\uc26c(\/)\ub85c \uc2dc\uac04 \uac04\uaca9\uc744 \uc9c0\uc815\ud560 \uc218 \uc788\ub2e4(2~10\uc2dc\uae4c\uc9c0 3\uc2dc\uac04 \uac04\uaca9\uc73c\ub85c. \uc989, 3, 6, 9\uc2dc\ub97c \uc758\ubbf8\ud568).<\/p>\n
\uc6d0\ud558\ub294 \uc2dc\uac04 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \ud615\u00a0 \uc2dd\u2028
\n\ub9e4\uc8fc \ud1a0\uc694\uc77c \uc0c8\ubcbd 2:20 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 20  2 *\u00a0 *\u00a0 6\u00a0 \uba85\ub839\uc5b4\u2028
\n\ub9e4\uc77c \uc624\ud6c4 4,5,6\uc2dc \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0\u00a0 4-6 \u00a0 *\u00a0 *\u00a0 *\u00a0 \uba85\ub839\uc5b4\u2028
\n\ub9e4\uc77c 2\uc2dc\uac04 \uac04\uaca9\uc73c\ub85c 5\ubd84\ub300\uc5d0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a05\u00a0  *\/2 *\u00a0 *\u00a0 * \uba85\ub839\uc5b4\u2028
\n\ub9e4\uc6d4 1\uc77c \uc0c8\ubcbd 1:15 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 15\u00a0 1 \u00a0 1\u00a0 *\u00a0 *\u00a0 \uba85\ub839\uc5b4
\n\u20281,7\uc6d4 1\uc77c \uc0c8\ubcbd 0:30 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a030\u00a0 0 \u00a0 1\u00a0 1,7\u00a0 *\u00a0 \uba85\ub839\uc5b4<\/p>\n
4) \/etc\/crontab \ud30c\uc77c\ub85c \uc124\uc815<\/p>\n
#\ub9e4\uc77c \ub9e4\uc2dc 01\ubd84\ub9c8\ub2e4 \/etc\/cron.hourly \ub514\ub809\ud1a0\ub9ac\ub0b4\uc5d0 \uc874\uc7ac\ud558\ub294 \ud30c\uc77c\ub4e4\uc744 \uc2e4\ud589\r\n01 * * * * root run-parts \/etc\/cron.hourly\u2028\r\n\r\n#\ub9e4\uc77c \uc0c8\ubcbd 4\uc2dc 02\ubd84\ub9c8\ub2e4 \/etc\/cron.daily\u00a0 \ub514\ub809\ud1a0\ub9ac\ub0b4\uc5d0 \uc874\uc7ac\ud558\ub294 \ud30c\uc77c\ub4e4\uc744 \uc2e4\ud589 \r\n02 4 * * * root run-parts \/etc\/cron.daily\u2028\r\n\r\n#\ub9e4\uc8fc \uc77c\uc694\uc77c \uc0c8\ubcbd 4\uc2dc 22\ubd84\ub9c8\ub2e4 \/etc\/cron.weekly \ub514\ub809\ud1a0\ub9ac\ub0b4\uc5d0 \uc874\uc7ac\ud558\ub294 \ud30c\uc77c\ub4e4\uc744 \uc2e4\ud589\r\n22 4 * * 0 root run-parts \/etc\/cron.weekly\u2028\r\n\r\n#\ub9e4\uc6d4 1\uc77c \uc0c8\ubcbd 4\uc2dc 42\ubd84\ub9c8\ub2e4 \/etc\/cron.monthly \ub514\ub809\ud1a0\ub9ac\ub0b4\uc5d0 \uc874\uc7ac\ud558\ub294 \ud30c\uc77c\ub4e4\uc744 \uc2e4\ud589\r\n42 4 1 * * root run-parts \/etc\/cron.monthly\u2028\u00a0\r\n<\/pre>\n
* root \uc774\uc678\uc758 \uc0ac\uc6a9\uc790\uc5d0\uac8c crontab \uba85\ub839\uc5b4\ub97c \uc774\uc6a9\ud560 \uc218 \uc788\uac8c \ud558\ub294 \ubc29\ubc95
\n\u00a0 – \/etc\/cron.allow \ud30c\uc77c\uc5d0 \uc0ac\uc6a9\uc790\uc758 id\ub97c \ub4f1\ub85d<\/p>\n
* \uc77c\ubc18\uc0ac\uc6a9\uc790\uc758 crontab \uba85\ub839\uc5b4\uc0ac\uc6a9\uc744 \uc81c\uc548\ud558\uace0\uc790 \ud55c\ub2e4\uba74\u2028\u00a0
\n– \/etc\/cron.deny \ud30c\uc77c\uc5d0 \uc0ac\uc6a9\uc790\uc758 id \ub97c \ub4f1\ub85d<\/p>\n
3. FAQ
\n1) cron \uc124\uc815\ud55c \ud6c4\uc5d0\ub294 crond \ub370\ubaac\uc744 \uc7ac\uc2e4\ud589\ud574\uc57c \ud558\ub098\uc694?
\n\u00a0 \u00a0 \uc544\ub2d9\ub2c8\ub2e4. crontab -e \uc73c\ub85c \uc124\uc815 \ud6c4 \ube60\uc838\ub098\uc624\uba74 \ubc14\ub85c \uc801\uc6a9\ub429\ub2c8\ub2e4.\u2028<\/p>\n
2) truefeel \uc0ac\uc6a9\uc790\ub294 cron\uc744 \ubabb \uc4f0\uac8c \ud558\uace0 \uc2f6\uc2b5\ub2c8\ub2e4.\u2028
\n\/etc\/cron.allow : \ud5c8\uc6a9\ud560 \uc0ac\uc6a9\uc790 ID \ubaa9\ub85d\u2028\u00a0 \u00a0
\n\/etc\/cron.deny\u00a0 : \uac70\ubd80\ud560 \uc0ac\uc6a9\uc790 ID \ubaa9\ub85d\u2028
\n\u00a0 \u00a0 cron.allow \ud30c\uc77c\uc774 \uc788\uc73c\uba74 \uc774 \ud30c\uc77c\uc5d0 \ub4e4\uc5b4\uc788\ub294 ID\ub9cc \uc0ac\uc6a9 \uac00\ub2a5\u2028\u00a0 \u00a0
\ncron.deny\u00a0 \ud30c\uc77c\uc774 \uc788\uc73c\uba74 \uc774 \ud30c\uc77c\uc5d0 \ub4e4\uc5b4\uc788\ub294 ID\ub294 \uc0ac\uc6a9 \ubd88\uac00\u2028\u00a0 \u00a0
\n\ub530\ub77c\uc11c cron.deny\uc5d0 truefeel ID\ub97c \ucd94\uac00\ud574\uc8fc\uba74 \ub429\ub2c8\ub2e4.\u2028<\/p>\n
3) > \/dev\/null\u00a0 2>&1 \uc774 \ubb34\uc2a8 \ub73b\uc785\ub2c8\uae4c?\u2028
\n\uc9c0\uc815\ud55c \uba85\ub839\uc5b4 \ucc98\ub9ac \uacb0\uacfc\uc640 \ubc1c\uc0dd\ud560\uc9c0 \ubaa8\ub974\ub294 \uc5d0\ub7ec\uba54\uc2dc\uc9c0\ub97c \ucd9c\ub825\ud558\uc9c0 \uc54a\uace0 \ubaa8\ub450 \ubc84\ub9b0\ub2e4\ub294(\/dev\/null)\ub294\u2028 \ub73b
\n\ub9cc\uc57d \uacb0\uacfc\uc640 \uc5d0\ub7ec\ub97c \ud30c\uc77c\ub85c \uc800\uc7a5\ud558\ub824\uba74 \/dev\/null \ub300\uc2e0 \ud30c\uc77c\uba85\uc744 \uc801\uc5b4\uc8fc\uba74 \ub429\ub2c8\ub2e4.<\/p>\n
\ucd9c\ucc98 : http:\/\/cafe.naver.com\/devctrl.cafe?iframe_url=\/ArticleRead.nhn%3Farticleid=5238<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
  1) \ud604\uc7ac cron deamon\uc774 \ub3cc\uace0 \uc788\ub294\uc9c0 \ud655\uc778\u2028 ps -ef | grep cron\u2028\u2028 2) cron deamon kill \u2028kill -9 “pid of cron”\u2028\u2028 3) deamon \uc7ac\uc2e4\ud589\u2028 \/usr\/sbin\/cron 4) \uba85\ub839\uc5b4 \uc704\uce58\u2028 \/usr\/bin\/crontab 5) \uc0ac\uc6a9\ud615\uc2dd \u2028crontab [ -u \uc0ac\uc6a9\uc790ID ] \ud30c\uc77c \u2028crontab [ … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[661],"tags":[],"class_list":["post-186","post","type-post","status-publish","format-standard","hentry","category-system"],"yoast_head":"\ncrontab \uc0ac\uc6a9\ubc95.. - Apollo89.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/apollo89.com\/wordpress\/?p=186\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"crontab \uc0ac\uc6a9\ubc95.. - 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