\t\t\t\t\u25cb\u3000\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306e\u8a2d\u5b9a
\nntp\u306e\u7a3c\u52d5
\nntp\u306f\u6642\u523b\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30bf\u30a4\u30e0\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u6a19\u6e96\u6642\u523b\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u306b\u540c\u671f\u3055\u305b\u308b\u3082\u306e\u3060\u3002PC\u306e\u5185\u81d3\u6642\u8a08\u306f\u7d50\u69cb\u304f\u308b\u3046\u3002\u3072\u3069\u3044\u6642\u306f1\u65e5\u306b\u6570\u5341\u79d2\u3082\u304f\u308b\u3046\u3053\u3068\u3082\u3042\u308b\u306e\u3067\u3001ntp\u3092\u52d5\u304b\u3057\u3066\u304a\u304f\u3002
\n\u307e\u305a\u3001yum\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/p>\n
# yum install ntp
\n\u8aad\u307f\u8fbc\u3093\u3060\u30d7\u30e9\u30b0\u30a4\u30f3:presto, refresh-packagekit
\n\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u51e6\u7406\u306e\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u307e\u3059
\n\u30d1\u30c3\u30b1\u30fc\u30b8 ntp-4.2.4p8-1.fc12.i686 \u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u304b\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059
\n\u4f55\u3082\u3057\u307e\u305b\u3093<\/p>\n
\u306a\u3093\u3060\u304b\u3082\u3046\u5165\u3063\u3066\u3044\u3066\u3001\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3060\u3063\u305f\u3002
\n\u3064\u3065\u3044\u3066\u3001\u30bf\u30a4\u30e0\u30b5\u30fc\u30d0\u3092\u8a2d\u5b9a\u3059\u308b\u3002ntp.conf\u306b\u3001ntp\u30b5\u30fc\u30d0\u3092\u8a2d\u5b9a\u3002
\n\u4eca\u56de\u306f\u3001NICT(\u72ec\u7acb\u884c\u653f\u6cd5\u4eba \u60c5\u5831\u901a\u4fe1\u7814\u7a76\u6a5f\u69cb)\u5185NTP\u30b5\u30fc\u30d0\u3092\u9078\u3093\u3060\u3002\u3053\u3053\u3001\u4e8b\u696d\u4ed5\u5206\u3051\u3067\u306a\u304f\u306a\u3089\u306a\u3044\u3068\u3044\u3044\u304c\u3002<\/p>\n
server ntp3.jst.mfeed.ad.jp
\nserver ntp2.jst.mfeed.ad.jp<\/p>\n
\u306e\uff12\u3064\u3092\u8ffd\u52a0<\/p>\n
# vi \/etc\/ntp.conf<\/p>\n
\u3000\u3000\u3000\u3000\uff5e\u3000[\u4e2d\u7565]\u3000\uff5e<\/p>\n
# Use public servers from the pool.ntp.org project.
\n# Please consider joining the pool (http:\/\/www.pool.ntp.org\/join.html).
\n#server 0.fedora.pool.ntp.org\u3000\u3000<-\u3053\u3053\u306f\u30b3\u30e1\u30f3\u30c8\u306b\u3059\u308b\n#server 1.fedora.pool.ntp.org\u3000\u3000<-\u3053\u3053\u306f\u30b3\u30e1\u30f3\u30c8\u306b\u3059\u308b\n#server 2.fedora.pool.ntp.org\u3000\u3000<-\u3053\u3053\u306f\u30b3\u30e1\u30f3\u30c8\u306b\u3059\u308b\nserver ntp3.jst.mfeed.ad.jp\u3000\u3000<-\u3053\u3053\u306b\u8ffd\u52a0\nserver ntp2.jst.mfeed.ad.jp\u3000\u3000<-\u3053\u3053\u306b\u8ffd\u52a0\n\n\u305d\u3057\u3066\u3001\u8d77\u52d5\n\n# \/etc\/rc.d\/init.d\/ntpd start\nntpd \u3092\u8d77\u52d5\u4e2d: [ OK ]\n\nPC\u8d77\u52d5\u6642\u306b\u81ea\u52d5\u7684\u306b\u7acb\u3061\u4e0a\u304c\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\n\n# chkconfig ntpd on\n# chkconfig --list ntpd\nntpd 0:off 1:off 2:on 3:on 4:on 5:on 6:off\n\n\u3057\u3070\u3089\u304f\u3057\u3066\u304b\u3089\u3001\u6642\u523b\u3042\u308f\u305b\u306e\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3002\n\n[root@Casper ~]# ntpq -p
\\r\\n remote refid st t when poll reach delay offset jitter
\n==============================================================================
\n*ntp3.jst.mfeed. 210.173.176.4 2 u 104 512 377 22.502 -2.158 2.576
\n+ntp2.jst.mfeed. 210.173.160.56 2 u 88 512 377 22.171 -1.232 0.182<\/p>\n
\u3059\u3053\u3057\u305a\u3064\u3042\u3063\u3066\u304f\u308b\u306f\u305a\u3060\u3002offset\u304c\u3069\u306e\u304f\u3089\u3044\u3065\u308c\u3066\u3044\u308b\u304b\u3002jitter\u304c\u305a\u308c\u5177\u5408\u306e\u4fee\u6b63\u5024\u3002poll\u304c\u6642\u523b\u3042\u308f\u305b\u306e\u9593\u9694\u3060\u30021024\u304f\u3089\u3044\u306b\u306a\u308b\u3068\u3001\u554f\u984c\u306a\u304f\u3042\u3063\u3066\u304d\u3066\u3044\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u25cb\u3000\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306e\u8a2d\u5b9a ntp\u306e\u7a3c\u52d5 ntp\u306f\u6642\u523b\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30bf\u30a4\u30e0\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u6a19\u6e96\u6642\u523b\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u306b\u540c\u671f\u3055\u305b\u308b\u3082\u306e\u3060\u3002PC\u306e\u5185\u81d3\u6642\u8a08\u306f\u7d50\u69cb\u304f\u308b\u3046\u3002\u3072\u3069\u3044\u6642\u306f1\u65e5\u306b\u6570\u5341\u79d2\u3082\u304f\u308b\u3046\u3053\u3068\u3082\u3042 … “\u307c\u308d\u30b5\u30fc\u30d0\u306e\u4f5c\u6210(Linux)\uff0d\u305d\u306e5” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[139],"tags":[1847,1142],"class_list":["post-2420","post","type-post","status-publish","format-standard","hentry","category-linux","tag-ntp","tag-1142"],"_links":{"self":[{"href":"https:\/\/ekbt.info\/index.php?rest_route=\/wp\/v2\/posts\/2420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ekbt.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ekbt.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ekbt.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ekbt.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2420"}],"version-history":[{"count":0,"href":"https:\/\/ekbt.info\/index.php?rest_route=\/wp\/v2\/posts\/2420\/revisions"}],"wp:attachment":[{"href":"https:\/\/ekbt.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ekbt.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ekbt.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}