{"id":45,"date":"2014-12-17T17:15:16","date_gmt":"2014-12-17T08:15:16","guid":{"rendered":"http:\/\/vicsfactory.com\/?p=45"},"modified":"2014-12-18T11:16:18","modified_gmt":"2014-12-18T02:16:18","slug":"centos7-ntp%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%82%a4%e3%83%b3%e3%82%b9%e3%83%88%e3%83%bc%e3%83%ab","status":"publish","type":"post","link":"https:\/\/vicsfactory.com\/?p=45","title":{"rendered":"CentOS7 \u300cNTP\u30b5\u30fc\u30d0\u30fc\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30fb\u8a2d\u5b9a\u300d"},"content":{"rendered":"<p>\u30b5\u30fc\u30d0\u30fc\u304c\u5e38\u306b\u6b63\u5e38\u306a\u6642\u523b\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306bNTP\u30b5\u30fc\u30d0\u30fc\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/p>\n<p>\u203bCentOS7\u95a2\u9023\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30fb\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u306f\u300c<a href=\"http:\/\/centossrv.com\" target=\"_blank\">CentOS\u3067\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u69d8<\/a>\u300d\u3092\u53c2\u8003\u306b\u81ea\u5206\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u25cfCentOS7\u7528\u306eNTP\u30b5\u30fc\u30d0\u30fc\u300cchrony\u300d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<br \/>\n# yum -y install chrony<\/p>\n<p>\u25cfchrony\u8a2d\u5b9a<br \/>\n# vi \/etc\/chrony.conf<br \/>\nserver 0.centos.pool.ntp.org iburst<br \/>\nserver 1.centos.pool.ntp.org iburst<br \/>\nserver 2.centos.pool.ntp.org iburst<br \/>\nserver 3.centos.pool.ntp.org iburst<br \/>\n\u2193<br \/>\nserver ntp.nict.jp iburst<br \/>\nserver ntp.jst.mfeed.ad.jp iburst<br \/>\nserver \u5229\u7528\u3057\u3066\u3044\u308bISP\u306eNTP\u30b5\u30fc\u30d0\u30fc\u540d iburst<\/p>\n<p>Allow NTP client access from local network.<br \/>\n# allow 192.168\/16<br \/>\n\u2193<br \/>\n# allow 192.168.1.0\/24 (\u5185\u90e8IP\u30a2\u30c9\u30ec\u30b9\u304c192.168.1.x\u306e\u5834\u5408)<\/p>\n<p>\u25cf\u30b5\u30fc\u30d0\u30fc\u6a5f\u306e\u6642\u523b\u5408\u308f\u305b<br \/>\n# ntpdate ntp.nict.jp<\/p>\n<p>\u25cfchronyd\u8d77\u52d5<br \/>\n# systemctl start chronyd<\/p>\n<p>\u25cfchronyd\u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a<br \/>\n# systemctl enable chronyd<\/p>\n<p>\u25cfchronyd\u52d5\u4f5c\u78ba\u8a8d\uff08chronyd\u8d77\u52d5\u6570\u5206\u5f8c\uff09<br \/>\n# chronyc sources<br \/>\n(\u4e0a\u8a18\u3067\u8a2d\u5b9a\u3057\u305fNTP\u30b5\u30fc\u30d0\u30fc\u540d\u306e\u884c\u982d\u306b\u300c*\u300d\u307e\u305f\u306f\u300c+\u300d\u304c\u8868\u793a\u3055\u308c\u308c\u3070OK)<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b5\u30fc\u30d0\u30fc\u304c\u5e38\u306b\u6b63\u5e38\u306a\u6642\u523b\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306bNTP\u30b5\u30fc\u30d0\u30fc\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u203bCentOS7\u95a2\u9023\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30fb\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u306f\u300cCentOS\u3067\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u69d8\u300d\u3092\u53c2\u8003\u306b\u81ea\u5206\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002 \u25cfCentOS7\u7528\u306eN &hellip; <a href=\"https:\/\/vicsfactory.com\/?p=45\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/vicsfactory.com\/index.php?rest_route=\/wp\/v2\/posts\/45"}],"collection":[{"href":"https:\/\/vicsfactory.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vicsfactory.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vicsfactory.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vicsfactory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=45"}],"version-history":[{"count":4,"href":"https:\/\/vicsfactory.com\/index.php?rest_route=\/wp\/v2\/posts\/45\/revisions"}],"predecessor-version":[{"id":83,"href":"https:\/\/vicsfactory.com\/index.php?rest_route=\/wp\/v2\/posts\/45\/revisions\/83"}],"wp:attachment":[{"href":"https:\/\/vicsfactory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vicsfactory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vicsfactory.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}