{"id":24880,"date":"2025-06-25T21:35:06","date_gmt":"2025-06-25T13:35:06","guid":{"rendered":"https:\/\/www.wxcn.com\/?p=24880"},"modified":"2025-06-25T21:54:28","modified_gmt":"2025-06-25T13:54:28","slug":"%e7%bb%9f%e4%bf%a1uos-v20%ef%bc%881070e%ef%bc%89%e7%89%88%e6%9c%ac%e9%85%8d%e7%bd%aentp%e6%9c%8d%e5%8a%a1%e7%ab%af","status":"publish","type":"post","link":"https:\/\/www.wxcn.com\/?p=24880","title":{"rendered":"\u7edf\u4fe1UOS V20\uff081070e\uff09\u7248\u672c\u914d\u7f6eNTP\u670d\u52a1\u7aef"},"content":{"rendered":"<p>1\u3001\u5b89\u88c5NTP\u670d\u52a1\u53ef\u901a\u8fc7yum install ntp\u6765\u5b89\u88c5\u3002\u6302\u8f7dyum\u6e90\u53ef\u53c2\u89c1\u94fe\u63a5\uff1a<a href=\"https:\/\/www.wxcn.com\/?p=24874\" target=\"_blank\" rel=\"noopener\">\u7edf\u4fe1UOS V20\uff081070e\uff09\u7248\u672c\u914d\u7f6eyum\u6e90\u672c\u5730\u4ed3\u5e93<\/a>\u3002<\/p>\n<p>2\u3001\u5b89\u88c5\u597d\u540e\uff0c\u4fee\u6539ntp\u914d\u7f6e\u6587\u4ef6\uff0cvi \/etc\/ntp.conf\uff0c\u4fdd\u7559\u4ee5\u4e0b\u914d\u7f6e<br \/>\ndriftfile \/var\/lib\/ntp\/drift<br \/>\nrestrict 127.0.0.1<br \/>\nserver 127.0.0.1<br \/>\nfudge 127.0.0.1 startum 10<br \/>\nrestrict 192.168.0.0 mask 255.255.0.0<br \/>\nserver 192.168.3.3<br \/>\n\u8fd9\u4e2a\u914d\u7f6e\u91ccrestrict 192.168.0.0 mask 255.255.0.0\u662f\u5141\u8bb8192.168.0.0\/16\u7f51\u6bb5\u7684\u8bbe\u5907\u8fc7\u6765\u540c\u6b65\u65f6\u95f4\uff0cserver\u4e3a\u4e0a\u5c42\u65f6\u95f4\u670d\u52a1\u5668\u3002<br \/>\n\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684<br \/>\nrestrict default nomodify notrap nopeer noepeer noquery<br \/>\nrestrict source nomodify notrap noepeer noquery<br \/>\ntos maxclock 5<br \/>\ncrypto<br \/>\nkeys \/etc\/ntp\/keys<br \/>\n\u90fd\u6ce8\u91ca\u6389\u3002<\/p>\n<p>3\u3001\u9632\u706b\u5899\u9700\u8981\u653e\u901a\u65f6\u95f4\u670d\u52a1\uff0c\u6216\u5173\u95ed\u9632\u706b\u5899systemctl stop firewalld\u3002<\/p>\n<p>4\u3001\u53ef\u4ee5\u5728\u672c\u673a\u6216\u5176\u4ed6\u8bbe\u5907\u4e0a\u7528ntpdate -d ntp\u670d\u52a1\u5668IP\u6765\u6d4b\u8bd5NTP\u670d\u52a1\u7aef\u662f\u5426\u6b63\u5e38\u3002<\/p>\n<p>5\u3001\u5982\u679c\u5728\u672c\u673a\u53ef\u4ee5ntpdate -d \u672c\u673a\u7684IP\uff0c\u4f46\u662f\u5176\u4ed6\u8de8\u7f51\u6bb5\u7684\u8bbe\u5907ntpdate\u4e0d\u884c\uff0c\u5219\u53ef\u4ee5\u5728\u670d\u52a1\u7aef\u901a\u8fc7tcpdump -i \u7f51\u5361\u63a5\u53e3 host \u5ba2\u6237\u7aefIP and port 123 -nnv\u6293\u5305\u770b\u662f\u5426\u6709\u5305\u8fc7\u6765\uff0c\u5982\u679c\u6ca1\u6709\u5305\uff0c\u5219\u53ef\u80fd\u4e3a\u4e2d\u95f4\u94fe\u8def\u6709ACL\u62e6\u622a\u3002<\/p>\n<p>\u7edf\u4fe1UOS V20\uff081070a\uff09\u7248\u672c\u914d\u7f6eNTP\u670d\u52a1\u7aef\uff0c\u53c2\u89c1\u94fe\u63a5\uff1a<a href=\"https:\/\/www.wxcn.com\/?p=24879\" target=\"_blank\" rel=\"noopener\">https:\/\/www.wxcn.com\/?p=24879<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001\u5b89\u88c5NTP\u670d\u52a1\u53ef\u901a\u8fc7yum install ntp\u6765\u5b89\u88c5\u3002\u6302\u8f7dyum\u6e90\u53ef\u53c2\u89c1\u94fe\u63a5\uff1a\u7edf\u4fe1UOS V20\uff0810 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[616,601,615,611],"class_list":["post-24880","post","type-post","status-publish","format-standard","hentry","category-operating-system","tag-libopts","tag-ntp","tag-uos","tag-611"],"_links":{"self":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/24880","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24880"}],"version-history":[{"count":5,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/24880\/revisions"}],"predecessor-version":[{"id":24888,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/24880\/revisions\/24888"}],"wp:attachment":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}