{"id":1179,"date":"2023-07-18T00:25:49","date_gmt":"2023-07-18T00:25:49","guid":{"rendered":"https:\/\/pigletstory.co.kr\/733-2\/"},"modified":"2023-07-18T09:30:10","modified_gmt":"2023-07-18T00:30:10","slug":"733-2","status":"publish","type":"post","link":"https:\/\/pigletstory.co.kr\/?p=1179","title":{"rendered":"[Linux]Centos7 \uc5d0\uc11c NTP \uc11c\ubc84\ub97c \uad6c\ucd95\ud558\uc5ec \uc2dc\uac04 \ub3d9\uae30\ud654"},"content":{"rendered":"<div class=\"contents_style\">\n<p data-ke-size=\"size16\">NTP(Network\u00a0Time\u00a0Protocol)\u00a0\ub294\u00a0PC\uc640\u00a0PC\uac04\uc758\u00a0(\ud639\uc740\u00a0server-client)\u00a0\uc2dc\uac04\uc744\u00a0\ub3d9\uae30\ud654\u00a0\ud558\uae30\uc704\ud574\u00a0\uc0ac\uc6a9\ub418\ub294\u00a0Protocol\u00a0\uc785\ub2c8\ub2e4.<br \/>\n\uc2dc\uac04\u00a0\ub3d9\uae30\ud654\ub97c\u00a0\ud558\ub294\u00a0\ubc29\ubc95\uc5d0\ub294\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\u00a0PC\uac00\u00a0\uc9c1\uc811\u00a0\uc678\ubd80\u00a0\uc2dc\uac04\uc5d0\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\ub3d9\uae30\ud654\u00a0\ud560\u00a0\uc218\ub3c4\u00a0\uc788\uace0,<br \/>\n\uc9c1\uc811\u00a0NTP\u00a0\uc11c\ubc84\ub97c\u00a0\uad6c\ucd95\ud574\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\uc11c\ubc84\uc758\u00a0\uc2dc\uac04\uc5d0\u00a0\ub3d9\uae30\ud654\u00a0\ud558\ub3c4\ub85d\u00a0\uad6c\uc131\ud560\u00a0\uc218\ub3c4\u00a0\uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uc774\ubc88\u00a0\ud3ec\uc2a4\ud305\u00a0\uc5d0\uc11c\ub294\u00a0\uc778\ud130\ub137\uc774\u00a0\uac00\ub2a5\ud55c\u00a01\uac1c\uc758\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0NTP\u00a0\uc11c\ubc84\ub97c\u00a0\uad6c\ucd95\ud558\uace0,<br \/>\n\uc778\ud130\ub137\uc774\u00a0\ubd88\uac00\ub2a5\ud55c\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\uc774\u00a0NTP\uc11c\ubc84\uc5d0\u00a0\uc2dc\uac04\uc744\u00a0\ub3d9\uae30\ud654\u00a0\ud560\u00a0\uc218\u00a0\uc788\ub3c4\ub85d\u00a0\uad6c\uc131\ud574\u00a0\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\">1. NTP\u00a0\uc11c\ubc84\u00a0\uad6c\uc131<\/p>\n<p data-ke-size=\"size16\">NTP\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0\uc2dc\uac04\u00a0\ub3d9\uae30\ud654\ub97c\u00a0\uc704\ud55c\u00a0\ud328\ud0a4\uc9c0\u00a0(chrony)\ub97c\u00a0\uc124\uce58\ud569\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\">\ucd5c\uc18c\uc0ac\uc591 \uc124\uce58\uac00 \uc544\ub2c8\ub77c\uba74 \uae30\ubcf8\uc801\uc73c\ub85c \uc124\uce58\uac00 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\">\uc778\ud130\ub137\uc774 \ub418\ub294 \ud658\uacbd\uc774\ub77c\uba74 yum install \uc744 \ud1b5\ud574 \uc124\uce58\ud574\uc57c \ud558\uba70,<\/p>\n<p data-ke-size=\"size16\">\uc778\ud130\ub137\uc774 \ubd88\uac00\ub2a5\ud55c \ud658\uacbd\uc774\ub77c\uba74 local yum \ud658\uacbd\uc744 \ub9cc\ub4e4\uc5b4 \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\">local yum \ud658\uacbd\uc740 \uc9c0\ub09c\ubc88 \ud3ec\uc2a4\ud305\ud55c \ub0b4\uc6a9\uc744 \ucc38\uace0\ud558\uc2dc\uba74 \ub429\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1180\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_090438.png?resize=317%2C35&#038;ssl=1\" alt=\"\" width=\"317\" height=\"35\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_090438.png?w=317&amp;ssl=1 317w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_090438.png?resize=300%2C33&amp;ssl=1 300w\" sizes=\"auto, (max-width: 317px) 100vw, 317px\" \/><\/p>\n<p data-ke-size=\"size16\">NTP\u00a0\uc11c\ubc84\uac00\u00a0\ub420\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0\uc791\uc5c5\u00a0\ud569\ub2c8\ub2e4.<br \/>\n\uc544\ub798\uc640\u00a0\uac19\uc774\u00a0\uae30\uc874\u00a0NTP\u00a0\ud480\uc740\u00a0\ube44\ud65c\uc131\ud654\u00a0\ud558\uace0\u00a0,\u00a0\uc678\ubd80\ub85c\u00a0\ubd80\ud130\u00a0\ub300\ud55c\ubbfc\uad6d\u00a0\ud45c\uc900\uc2dc\ub97c\u00a0\ubc1b\uc544\uc640\uc57c\u00a0\ud558\ubbc0\ub85c\u00a0kr\u00a0\uc11c\ubc84\ub85c\u00a0\ud45c\uc900\uc2dc\ub97c\u00a0\ub3d9\uae30\ud654\u00a0\ud558\ub3c4\ub85d\u00a0\uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1182\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094739.png?resize=601%2C189&#038;ssl=1\" alt=\"\" width=\"601\" height=\"189\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094739.png?w=601&amp;ssl=1 601w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094739.png?resize=300%2C94&amp;ssl=1 300w\" sizes=\"auto, (max-width: 601px) 100vw, 601px\" \/><\/p>\n<p data-ke-size=\"size16\">\nNTP\u00a0\uc11c\ube44\uc2a4\u00a0\uad00\ub828\u00a0\ubc29\ud654\ubcbd\uc744\u00a0\ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1183\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094926.png?resize=506%2C35&#038;ssl=1\" alt=\"\" width=\"506\" height=\"35\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094926.png?w=506&amp;ssl=1 506w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094926.png?resize=300%2C21&amp;ssl=1 300w\" sizes=\"auto, (max-width: 506px) 100vw, 506px\" \/><\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1184\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094940.png?resize=340%2C34&#038;ssl=1\" alt=\"\" width=\"340\" height=\"34\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094940.png?w=340&amp;ssl=1 340w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_094940.png?resize=300%2C30&amp;ssl=1 300w\" sizes=\"auto, (max-width: 340px) 100vw, 340px\" \/><\/p>\n<p data-ke-size=\"size16\">chronyd\u00a0\ub370\ubaac\uc744\u00a0\uc7ac\uc2dc\uc791\u00a0\ud6c4\u00a0sources\u00a0\uba85\ub839\uc744\u00a0\ud1b5\ud574\u00a0\ub3d9\uae30\ud654\ub418\uace0\u00a0\uc788\uc74c\uc744\u00a0\ud655\uc778\ud560\u00a0\uc218\u00a0\uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1185\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095048.png?resize=645%2C120&#038;ssl=1\" alt=\"\" width=\"645\" height=\"120\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095048.png?w=645&amp;ssl=1 645w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095048.png?resize=300%2C56&amp;ssl=1 300w\" sizes=\"auto, (max-width: 645px) 100vw, 645px\" \/><\/p>\n<p data-ke-size=\"size16\">\nNTP\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\u00a0\uc124\uc815<br \/>\n\ud074\ub77c\uc774\uc5b8\ud2b8\u00a0\uc5ed\uc2dc\u00a0chrony\u00a0\ub370\ubaac\uc774\u00a0\uc124\uce58\ub418\uc5b4\u00a0\uc788\uc5b4\uc57c\u00a0\ud569\ub2c8\ub2e4.<br \/>\n\ub9c8\ucc2c\uac00\uc9c0\ub85c\u00a0\uc778\ud130\ub137\uc774\u00a0\ub418\uc9c0\u00a0\uc54a\uae30\u00a0\ub54c\ubb38\uc5d0\u00a0local\u00a0yum\uc744\u00a0\ud1b5\ud574\u00a0\uc124\uce58\ud558\uac70\ub098\u00a0\ud328\ud0a4\uc9c0\ub97c\u00a0\uac00\uc838\uc640\u00a0\uc124\uce58\u00a0\ud569\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1181\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_090438_1.png?resize=317%2C35&#038;ssl=1\" alt=\"\" width=\"317\" height=\"35\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_090438_1.png?w=317&amp;ssl=1 317w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_090438_1.png?resize=300%2C33&amp;ssl=1 300w\" sizes=\"auto, (max-width: 317px) 100vw, 317px\" \/><\/p>\n<p data-ke-size=\"size16\">\n\ud074\ub77c\uc774\uc5b8\ud2b8\ub294\u00a0\uc55e\uc11c\u00a0\uad6c\ucd95\ud55c\u00a0ntp\u00a0\uc11c\ubc84\uc640\u00a0\uc2dc\uac04\uc744\u00a0\ub3d9\uae30\ud654\u00a0\ud560\u00a0\uc608\uc815\uc774\ubbc0\ub85c,\u00a0\uc6b0\uc120\u00a0\uc11c\ubc84\u00a0\ud638\uc2a4\ud2b8\uba85\uc744\u00a0\uc9c0\uc815\ud569\ub2c8\ub2e4.<br \/>\nvi\u00a0\/etc\/hosts<br \/>\n192.168.0.6\u00a0ntp-server<\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1186\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095220.png?resize=632%2C85&#038;ssl=1\" alt=\"\" width=\"632\" height=\"85\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095220.png?w=632&amp;ssl=1 632w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095220.png?resize=300%2C40&amp;ssl=1 300w\" sizes=\"auto, (max-width: 632px) 100vw, 632px\" \/><\/p>\n<p data-ke-size=\"size16\">\n<p>\ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uc11c\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uae30\uc874 chrony \uc2dc\uac04 \ub3d9\uae30\ud654 \ud480\uc740 \uc8fc\uc11d \ucc98\ub9ac\ud558\uba70,<br \/>\n\uc55e\uc11c\u00a0\uc124\uc815\ud55c\u00a0ntp-server\ub85c\u00a0\uc2dc\uac04\u00a0\ub3d9\uae30\ud654\u00a0\uc11c\ubc84\ub97c\u00a0\uc9c0\uc815\u00a0\ud569\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1187\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095758.png?resize=571%2C179&#038;ssl=1\" alt=\"\" width=\"571\" height=\"179\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095758.png?w=571&amp;ssl=1 571w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_095758.png?resize=300%2C94&amp;ssl=1 300w\" sizes=\"auto, (max-width: 571px) 100vw, 571px\" \/><\/p>\n<p data-ke-size=\"size16\">\n<p>\ub370\ubaac\u00a0\uc7ac\uc2dc\uc791\u00a0\ud6c4,\u00a0\uc18c\uc2a4\ub97c\u00a0\ud655\uc778\ud574\u00a0\ubcf4\uba74\u00a0ntp-server\ub85c\u00a0\uc7a1\ud78c\u00a0\uac83\uc744\u00a0\ud655\uc778\ud560\u00a0\uc218\u00a0\uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1188\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_100031.png?resize=640%2C125&#038;ssl=1\" alt=\"\" width=\"640\" height=\"125\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_100031.png?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_100031.png?resize=300%2C59&amp;ssl=1 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p data-ke-size=\"size16\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1189\" src=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_100224.png?resize=548%2C56&#038;ssl=1\" alt=\"\" width=\"548\" height=\"56\" srcset=\"https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_100224.png?w=548&amp;ssl=1 548w, https:\/\/i0.wp.com\/pigletstory.co.kr\/wp-content\/uploads\/2023\/07\/20220224_100224.png?resize=300%2C31&amp;ssl=1 300w\" sizes=\"auto, (max-width: 548px) 100vw, 548px\" \/><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>NTP(Network\u00a0Time\u00a0Protocol)\u00a0\ub294\u00a0PC\uc640\u00a0PC\uac04\uc758\u00a0(\ud639\uc740\u00a0server-client)\u00a0\uc2dc\uac04\uc744\u00a0\ub3d9\uae30\ud654\u00a0\ud558\uae30\uc704\ud574\u00a0\uc0ac\uc6a9\ub418\ub294\u00a0Protocol\u00a0\uc785\ub2c8\ub2e4. \uc2dc\uac04\u00a0\ub3d9\uae30\ud654\ub97c\u00a0\ud558\ub294\u00a0\ubc29\ubc95\uc5d0\ub294\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\u00a0PC\uac00\u00a0\uc9c1\uc811\u00a0\uc678\ubd80\u00a0\uc2dc\uac04\uc5d0\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\ub3d9\uae30\ud654\u00a0\ud560\u00a0\uc218\ub3c4\u00a0\uc788\uace0, \uc9c1\uc811\u00a0NTP\u00a0\uc11c\ubc84\ub97c\u00a0\uad6c\ucd95\ud574\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\uc11c\ubc84\uc758\u00a0\uc2dc\uac04\uc5d0\u00a0\ub3d9\uae30\ud654\u00a0\ud558\ub3c4\ub85d\u00a0\uad6c\uc131\ud560\u00a0\uc218\ub3c4\u00a0\uc788\uc2b5\ub2c8\ub2e4. \uc774\ubc88\u00a0\ud3ec\uc2a4\ud305\u00a0\uc5d0\uc11c\ub294\u00a0\uc778\ud130\ub137\uc774\u00a0\uac00\ub2a5\ud55c\u00a01\uac1c\uc758\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0NTP\u00a0\uc11c\ubc84\ub97c\u00a0\uad6c\ucd95\ud558\uace0, \uc778\ud130\ub137\uc774\u00a0\ubd88\uac00\ub2a5\ud55c\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\uc774\u00a0NTP\uc11c\ubc84\uc5d0\u00a0\uc2dc\uac04\uc744\u00a0\ub3d9\uae30\ud654\u00a0\ud560\u00a0\uc218\u00a0\uc788\ub3c4\ub85d\u00a0\uad6c\uc131\ud574\u00a0\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. NTP\u00a0\uc11c\ubc84\u00a0\uad6c\uc131 NTP\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0\uc2dc\uac04\u00a0\ub3d9\uae30\ud654\ub97c\u00a0\uc704\ud55c\u00a0\ud328\ud0a4\uc9c0\u00a0(chrony)\ub97c\u00a0\uc124\uce58\ud569\ub2c8\ub2e4. \ucd5c\uc18c\uc0ac\uc591 \uc124\uce58\uac00 \uc544\ub2c8\ub77c\uba74 \uae30\ubcf8\uc801\uc73c\ub85c \uc124\uce58\uac00 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc778\ud130\ub137\uc774 \ub418\ub294 \ud658\uacbd\uc774\ub77c\uba74 yum install \uc744 \ud1b5\ud574 \uc124\uce58\ud574\uc57c \ud558\uba70, \uc778\ud130\ub137\uc774 \ubd88\uac00\ub2a5\ud55c \ud658\uacbd\uc774\ub77c\uba74 local yum \ud658\uacbd\uc744 \ub9cc\ub4e4\uc5b4 \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. local yum \ud658\uacbd\uc740 \uc9c0\ub09c\ubc88 \ud3ec\uc2a4\ud305\ud55c \ub0b4\uc6a9\uc744 \ucc38\uace0\ud558\uc2dc\uba74 \ub429\ub2c8\ub2e4. NTP\u00a0\uc11c\ubc84\uac00\u00a0\ub420\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0\uc791\uc5c5\u00a0\ud569\ub2c8\ub2e4. \uc544\ub798\uc640\u00a0\uac19\uc774\u00a0\uae30\uc874\u00a0NTP\u00a0\ud480\uc740\u00a0\ube44\ud65c\uc131\ud654\u00a0\ud558\uace0\u00a0,\u00a0\uc678\ubd80\ub85c\u00a0\ubd80\ud130\u00a0\ub300\ud55c\ubbfc\uad6d\u00a0\ud45c\uc900\uc2dc\ub97c\u00a0\ubc1b\uc544\uc640\uc57c\u00a0\ud558\ubbc0\ub85c\u00a0kr\u00a0\uc11c\ubc84\ub85c\u00a0\ud45c\uc900\uc2dc\ub97c\u00a0\ub3d9\uae30\ud654\u00a0\ud558\ub3c4\ub85d\u00a0\uc124\uc815\ud569\ub2c8\ub2e4. NTP\u00a0\uc11c\ube44\uc2a4\u00a0\uad00\ub828\u00a0\ubc29\ud654\ubcbd\uc744\u00a0\ud5c8\uc6a9\ud569\ub2c8\ub2e4. chronyd\u00a0\ub370\ubaac\uc744\u00a0\uc7ac\uc2dc\uc791\u00a0\ud6c4\u00a0sources\u00a0\uba85\ub839\uc744\u00a0\ud1b5\ud574\u00a0\ub3d9\uae30\ud654\ub418\uace0\u00a0\uc788\uc74c\uc744\u00a0\ud655\uc778\ud560\u00a0\uc218\u00a0\uc788\uc2b5\ub2c8\ub2e4. NTP\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\u00a0\uc124\uc815 \ud074\ub77c\uc774\uc5b8\ud2b8\u00a0\uc5ed\uc2dc\u00a0chrony\u00a0\ub370\ubaac\uc774\u00a0\uc124\uce58\ub418\uc5b4\u00a0\uc788\uc5b4\uc57c\u00a0\ud569\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c\u00a0\uc778\ud130\ub137\uc774\u00a0\ub418\uc9c0\u00a0\uc54a\uae30\u00a0\ub54c\ubb38\uc5d0\u00a0local\u00a0yum\uc744\u00a0\ud1b5\ud574\u00a0\uc124\uce58\ud558\uac70\ub098\u00a0\ud328\ud0a4\uc9c0\ub97c\u00a0\uac00\uc838\uc640\u00a0\uc124\uce58\u00a0\ud569\ub2c8\ub2e4. \ud074\ub77c\uc774\uc5b8\ud2b8\ub294\u00a0\uc55e\uc11c\u00a0\uad6c\ucd95\ud55c\u00a0ntp\u00a0\uc11c\ubc84\uc640\u00a0\uc2dc\uac04\uc744\u00a0\ub3d9\uae30\ud654\u00a0\ud560\u00a0\uc608\uc815\uc774\ubbc0\ub85c,\u00a0\uc6b0\uc120\u00a0\uc11c\ubc84\u00a0\ud638\uc2a4\ud2b8\uba85\uc744\u00a0\uc9c0\uc815\ud569\ub2c8\ub2e4. vi\u00a0\/etc\/hosts 192.168.0.6\u00a0ntp-server \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uc11c\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uae30\uc874 chrony &#8230; <a title=\"[Linux]Centos7 \uc5d0\uc11c NTP \uc11c\ubc84\ub97c \uad6c\ucd95\ud558\uc5ec \uc2dc\uac04 \ub3d9\uae30\ud654\" class=\"read-more\" href=\"https:\/\/pigletstory.co.kr\/?p=1179\" aria-label=\"[Linux]Centos7 \uc5d0\uc11c NTP \uc11c\ubc84\ub97c \uad6c\ucd95\ud558\uc5ec \uc2dc\uac04 \ub3d9\uae30\ud654\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6,1],"tags":[24,78,477,112,113,126],"class_list":{"0":"post-1179","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-linux---","7":"category-uncategorized","8":"tag-centos-ntp","9":"tag-linux-ntp","10":"tag-ntp","11":"tag-ntp-","13":"tag-rocky-ntp"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Linux]Centos7 \uc5d0\uc11c NTP \uc11c\ubc84\ub97c \uad6c\ucd95\ud558\uc5ec \uc2dc\uac04 \ub3d9\uae30\ud654 - pigletstory \ube14\ub85c\uadf8<\/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:\/\/pigletstory.co.kr\/?p=1179\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Linux]Centos7 \uc5d0\uc11c NTP \uc11c\ubc84\ub97c \uad6c\ucd95\ud558\uc5ec \uc2dc\uac04 \ub3d9\uae30\ud654 - pigletstory \ube14\ub85c\uadf8\" \/>\n<meta property=\"og:description\" content=\"NTP(Network\u00a0Time\u00a0Protocol)\u00a0\ub294\u00a0PC\uc640\u00a0PC\uac04\uc758\u00a0(\ud639\uc740\u00a0server-client)\u00a0\uc2dc\uac04\uc744\u00a0\ub3d9\uae30\ud654\u00a0\ud558\uae30\uc704\ud574\u00a0\uc0ac\uc6a9\ub418\ub294\u00a0Protocol\u00a0\uc785\ub2c8\ub2e4. \uc2dc\uac04\u00a0\ub3d9\uae30\ud654\ub97c\u00a0\ud558\ub294\u00a0\ubc29\ubc95\uc5d0\ub294\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\u00a0PC\uac00\u00a0\uc9c1\uc811\u00a0\uc678\ubd80\u00a0\uc2dc\uac04\uc5d0\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\ub3d9\uae30\ud654\u00a0\ud560\u00a0\uc218\ub3c4\u00a0\uc788\uace0, \uc9c1\uc811\u00a0NTP\u00a0\uc11c\ubc84\ub97c\u00a0\uad6c\ucd95\ud574\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\uc11c\ubc84\uc758\u00a0\uc2dc\uac04\uc5d0\u00a0\ub3d9\uae30\ud654\u00a0\ud558\ub3c4\ub85d\u00a0\uad6c\uc131\ud560\u00a0\uc218\ub3c4\u00a0\uc788\uc2b5\ub2c8\ub2e4. \uc774\ubc88\u00a0\ud3ec\uc2a4\ud305\u00a0\uc5d0\uc11c\ub294\u00a0\uc778\ud130\ub137\uc774\u00a0\uac00\ub2a5\ud55c\u00a01\uac1c\uc758\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0NTP\u00a0\uc11c\ubc84\ub97c\u00a0\uad6c\ucd95\ud558\uace0, \uc778\ud130\ub137\uc774\u00a0\ubd88\uac00\ub2a5\ud55c\u00a0\ud074\ub77c\uc774\uc5b8\ud2b8\uac00\u00a0\uc774\u00a0NTP\uc11c\ubc84\uc5d0\u00a0\uc2dc\uac04\uc744\u00a0\ub3d9\uae30\ud654\u00a0\ud560\u00a0\uc218\u00a0\uc788\ub3c4\ub85d\u00a0\uad6c\uc131\ud574\u00a0\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. NTP\u00a0\uc11c\ubc84\u00a0\uad6c\uc131 NTP\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0\uc2dc\uac04\u00a0\ub3d9\uae30\ud654\ub97c\u00a0\uc704\ud55c\u00a0\ud328\ud0a4\uc9c0\u00a0(chrony)\ub97c\u00a0\uc124\uce58\ud569\ub2c8\ub2e4. \ucd5c\uc18c\uc0ac\uc591 \uc124\uce58\uac00 \uc544\ub2c8\ub77c\uba74 \uae30\ubcf8\uc801\uc73c\ub85c \uc124\uce58\uac00 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc778\ud130\ub137\uc774 \ub418\ub294 \ud658\uacbd\uc774\ub77c\uba74 yum install \uc744 \ud1b5\ud574 \uc124\uce58\ud574\uc57c \ud558\uba70, \uc778\ud130\ub137\uc774 \ubd88\uac00\ub2a5\ud55c \ud658\uacbd\uc774\ub77c\uba74 local yum \ud658\uacbd\uc744 \ub9cc\ub4e4\uc5b4 \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. local yum \ud658\uacbd\uc740 \uc9c0\ub09c\ubc88 \ud3ec\uc2a4\ud305\ud55c \ub0b4\uc6a9\uc744 \ucc38\uace0\ud558\uc2dc\uba74 \ub429\ub2c8\ub2e4. NTP\u00a0\uc11c\ubc84\uac00\u00a0\ub420\u00a0\uc11c\ubc84\uc5d0\uc11c\u00a0\uc791\uc5c5\u00a0\ud569\ub2c8\ub2e4. \uc544\ub798\uc640\u00a0\uac19\uc774\u00a0\uae30\uc874\u00a0NTP\u00a0\ud480\uc740\u00a0\ube44\ud65c\uc131\ud654\u00a0\ud558\uace0\u00a0,\u00a0\uc678\ubd80\ub85c\u00a0\ubd80\ud130\u00a0\ub300\ud55c\ubbfc\uad6d\u00a0\ud45c\uc900\uc2dc\ub97c\u00a0\ubc1b\uc544\uc640\uc57c\u00a0\ud558\ubbc0\ub85c\u00a0kr\u00a0\uc11c\ubc84\ub85c\u00a0\ud45c\uc900\uc2dc\ub97c\u00a0\ub3d9\uae30\ud654\u00a0\ud558\ub3c4\ub85d\u00a0\uc124\uc815\ud569\ub2c8\ub2e4. NTP\u00a0\uc11c\ube44\uc2a4\u00a0\uad00\ub828\u00a0\ubc29\ud654\ubcbd\uc744\u00a0\ud5c8\uc6a9\ud569\ub2c8\ub2e4. chronyd\u00a0\ub370\ubaac\uc744\u00a0\uc7ac\uc2dc\uc791\u00a0\ud6c4\u00a0sources\u00a0\uba85\ub839\uc744\u00a0\ud1b5\ud574\u00a0\ub3d9\uae30\ud654\ub418\uace0\u00a0\uc788\uc74c\uc744\u00a0\ud655\uc778\ud560\u00a0\uc218\u00a0\uc788\uc2b5\ub2c8\ub2e4. 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