{"id":257,"date":"2016-10-26T16:36:44","date_gmt":"2016-10-26T07:36:44","guid":{"rendered":"http:\/\/jook.pe.kr\/?p=257"},"modified":"2016-10-26T16:36:44","modified_gmt":"2016-10-26T07:36:44","slug":"%ec%84%9c%eb%b2%84%ec%8b%9c%ea%b0%84-%ec%84%a4%ec%a0%95%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/jook.pe.kr\/?p=257","title":{"rendered":"\uc11c\ubc84\uc2dc\uac04 \uc124\uc815\ud558\uae30"},"content":{"rendered":"

1. date<\/p>\n

 <\/p>\n

– date \uba85\ub839\uc5b4\ub294 \ud604\uc7ac \uc2dc\uac04\uc744 \uc6d0\ud558\ub294 \ud3ec\ub9f7\uc73c\ub85c \ubcf4\uc5ec \uc8fc\ub294 \uba85\ub839\uc5b4\uc774\uba70, \uc2dc\uac04\uc744 \uc124\uc815 \ud558\ub294 \uac83\ub3c4 \uac00\ub2a5\ud558\ub2e4.
\n\uc544\ubb34\ub7f0 \uc635\uc158 \uc5c6\uc774 date \uba85\ub839\ub9cc \uc785\ub825\ud558\uba74 \ud604\uc7ac \uc11c\ubc84\uc758 \uc2dc\uac04\uc744 \ubcf4\uc5ec\uc8fc\uba70, \uc635\uc158\uc5d0 \ub530\ub77c \uc5ec\ub7ec\uac00\uc9c0 \ud615\ud0dc\uc758 \ud3ec\ub9f7\uc73c\ub85c \ucd9c\ub825\uc774 \uac00\ub2a5\ud558\ub2e4.<\/p>\n

 <\/p>\n

[root@localhost ~]# date
\nThu Jan 24 13:05:55 KST 2013<\/p>\n

 <\/p>\n

– date \uba85\ub839\ub4a4\uc5d0 \uc2dc\uac04\uc744 \uc785\ub825\ud558\uc5ec \uc11c\ubc84\uc758 \uc2dc\uac04\uc744 \uc124\uc815 \ud560 \uc218 \uc788\uc73c\uba70, \uc2dc\uac04\uc744 \uc785\ub825\ud560 \ub54c\ub294 \ub450\uc790\ub9ac \ub2e8\uc704\uc758 \uc22b\uc790\ub85c “\uc6d4\uc77c\uc2dc\ubd84\ub144” \uc21c\uc11c\ub85c \uc785\ub825\ud558\uba74 \ub41c\ub2e4.
\n\uc544\ub798\uc640 \uac19\uc774 \ub9e8\ub9c8\uc9c0\ub9c9\uc744 “\ub144”\uc740 \uc0dd\ub7b5 \uac00\ub2a5\ud558\ub2e4.<\/p>\n

 <\/p>\n

[root@localhost ~]# date 0122000112
\nSun Jan 22 00:01:00 KST 2012
\n[root@localhost ~]# date
\nSun Jan 22 00:01:01 KST 2012
\n[root@localhost ~]# date 01221440
\nTue Jan 22 14:40:00 KST 2013<\/p>\n

 
\n2. rdate<\/p>\n

 <\/p>\n

– rdate \ub294 \uc6d0\uaca9\uc9c0 time \uc11c\ubc84\uc758 \uc2dc\uac04\uc744 \uac00\uc838\uc624\ub294 \uba85\ub839\uc5b4\ub85c \uc544\ub798\uc640 \uac19\uc740 \uc635\uc158\ub4e4\uc774 \uc788\ub2e4.<\/p>\n

-p : \ud0c0\uc784\uc11c\ubc84\uc758 \uc2dc\uac04\uc744 \ubd88\ub7ec\uc640\uc11c \ucd9c\ub825\ud574 \uc900\ub2e4
\n-s : \ud604\uc7ac \uc11c\ubc84\uc758 \uc2dc\uac04\uc744 \ud0c0\uc784\uc11c\ubc84 \uc2dc\uac04\uacfc \ub3d9\uc77c\ud558\uac8c \ub9de\ucd98\ub2e4
\n-u : \ud0c0\uc784\uc11c\ubc84\uc640 \ud1b5\uc2e0\ud560\ub54c udp\ub97c \uc0ac\uc6a9\ud55c\ub2e4
\n-l : syslog\ub97c \uc0ac\uc6a9\ud574\uc11c output error\ub97c \uae30\ub85d\ud55c\ub2e4
\n-t : \ud0c0\uc784\uc11c\ubc84\uc640 \uc2dc\uac04\uc744 \ub3d9\uae30\ud654 \ud560 \uc8fc\uae30\ub97c \uc124\uc815\ud55c\ub2e4<\/p>\n

 <\/p>\n

– rdate -s \uc635\uc158\uc744 \uc774\uc6a9\ud558\uc5ec \uc544\ub798\uc640 \uac19\uc740 \ubc29\ubc95\uc73c\ub85c \uc11c\ubc84\uc758 \uc2dc\uac04\uc744 \ub3d9\uae30\ud654 \ud560 \uc218 \uc788\ub2e4.<\/p>\n

 <\/p>\n

[root@localhost ~]# date
\nThu Jan 24 12:08:42 KST 2013
\n[root@localhost ~]# rdate -s time.bora.net
\n[root@localhost ~]# date
\nThu Jan 24 13:26:53 KST 2013<\/p>\n

 
\n3. ntpdate<\/p>\n

 <\/p>\n

– \uc11c\ubc84\uc758 \uc2dc\uac04\uc744 NTP(Network Time Protocol) \uc11c\ubc84\uc640 \ub3d9\uae30\ud654 \ud574\uc8fc\ub294 \uba85\ub839\uc5b4\uc774\ub2e4.
\n\ub85c\uceec\uc11c\ubc84\uc758 \uc2dc\uac04\uc744 ntp\uc11c\ubc84\uc640 \ub9de\ucdb0\uc8fc\uae30 \uc704\ud574\uc11c\ub294 ntpdate \uba85\ub839 \ub2e4\uc74c\uc5d0 ntp\uc11c\ubc84\uc758 \uc8fc\ub85c\ub97c \uc785\ub825\ud558\uba74 \ub41c\ub2e4.
\n-q \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uba74 \ub85c\uceec\uc11c\ubc84\uc758 \uc2dc\uac04\uc744 \ub9de\ucd94\uc9c0 \uc54a\uace0 ntp \uc11c\ubc84\uc758 \uc2dc\uac04\ub9cc \ucd9c\ub825\ud574 \uc8fc\uac8c\ub41c\ub2e4.<\/p>\n

 <\/p>\n

[root@localhost ~]# ntpdate -q clock.via.net
\nserver 209.81.9.7, stratum 1, offset 0.001461, delay 0.17656
\n24 Jan 13:45:47 ntpdate[14557]: adjust time server 209.81.9.7 offset 0.001461 sec
\n[root@localhost ~]# date
\nThu Jan 24 11:04:57 KST 2013
\n[root@localhost ~]# ntpdate clock.via.net
\n24 Jan 13:45:05 ntpdate[14537]: step time server 209.81.9.7 offset 9049.800141 sec
\n[root@localhost ~]# date
\nThu Jan 24 13:45:08 KST 2013<\/p>\n

 <\/p>\n

– \ub9cc\uc57d ntp \ud1b5\uc2e0\uc744 \ud558\ub294 udp 123 \ud3ec\ud2b8\uac00 \ubc29\ud654\ubcbd \ub4f1\uc73c\ub85c \ub9c9\ud600 \uc788\uc744 \uacbd\uc6b0\ub294 \uc544\ub798\uc640 \uac19\uc774 -u \uc635\uc158\uc744 \ucd94\uac00\ud558\uba74 \ub2e4\ub978 \ud3ec\ud2b8\ub97c \uc774\uc6a9\ud574\uc11c \ud1b5\uc2e0\ud558\uac8c \ub41c\ub2e4.<\/p>\n

 <\/p>\n

[root@localhost ~]# ntpdate -u -q clock.via.net
\nserver 209.81.9.7, stratum 1, offset 0.001461, delay 0.17656
\n24 Jan 13:45:47 ntpdate[14557]: adjust time server 209.81.9.7 offset 0.001461 sec<\/p>\n

 <\/p>\n

– ntp\uc11c\ubc84\ub85c \uc124\uc815\ub41c \uc11c\ubc84\ub9cc \uc751\ub2f5\uc774 \uac00\ub2a5\ud558\uba70, ntp\uc11c\ubc84\uac00 \uc544\ub2cc\uacbd\uc6b0\ub294 \uc544\ub798\uc640 \uac19\uc740 \uc5d0\ub7ec \uba54\uc2dc\uc9c0\uac00 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n

 <\/p>\n

[root@localhost ~]# ntpdate -u -q time.bora.net
\nserver 203.248.240.140, stratum 16, offset 0.009991, delay 0.02757
\n24 Jan 13:46:20 ntpdate[14574]: no server suitable for synchronization found
\n[root@localhost ~]#<\/p>\n","protected":false},"excerpt":{"rendered":"

1. date   – date \uba85\ub839\uc5b4\ub294 \ud604\uc7ac \uc2dc\uac04\uc744 \uc6d0\ud558\ub294 \ud3ec\ub9f7\uc73c\ub85c \ubcf4\uc5ec \uc8fc\ub294 \uba85\ub839\uc5b4\uc774\uba70, \uc2dc\uac04\uc744 \uc124\uc815 \ud558\ub294 \uac83\ub3c4 \uac00\ub2a5\ud558\ub2e4. \uc544\ubb34\ub7f0 \uc635\uc158<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,7],"tags":[],"_links":{"self":[{"href":"http:\/\/jook.pe.kr\/index.php?rest_route=\/wp\/v2\/posts\/257"}],"collection":[{"href":"http:\/\/jook.pe.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/jook.pe.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/jook.pe.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/jook.pe.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=257"}],"version-history":[{"count":0,"href":"http:\/\/jook.pe.kr\/index.php?rest_route=\/wp\/v2\/posts\/257\/revisions"}],"wp:attachment":[{"href":"http:\/\/jook.pe.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/jook.pe.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=257"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/jook.pe.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}