{"id":13215,"date":"2025-04-18T20:14:28","date_gmt":"2025-04-18T12:14:28","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/13215.html"},"modified":"2025-04-18T20:14:28","modified_gmt":"2025-04-18T12:14:28","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b9%8bntp%e5%90%8c%e6%ad%a5%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/13215.html","title":{"rendered":"\u670d\u52a1\u5668\u4e4bntp\u540c\u6b65\u65f6\u95f4"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u524d\u8a00<\/li>\n<li>\u4e00\u3001\u4ec0\u4e48\u662fNTP\u670d\u52a1&#xff1f;<\/li>\n<li>\u4e8c\u3001\u4e3a\u4ec0\u4e48\u9700\u8981NTP\u670d\u52a1&#xff1f;<\/li>\n<li>\n<ul>\n<li>2.1 \u4fdd\u8bc1\u6570\u636e\u65f6\u6548\u6027\u548c\u987a\u5e8f\u51c6\u786e\u6027<\/li>\n<li>2.2 \u5206\u5e03\u5f0f\u7cfb\u7edf\u534f\u540c\u4f5c\u4e1a\u7684\u9700\u8981<\/li>\n<li>2.3 \u9632\u6b62\u65f6\u95f4\u76f8\u5173\u6545\u969c<\/li>\n<li>2.4 \u4f18\u5316\u7f51\u7edc\u6027\u80fd<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u5b89\u88c5\u90e8\u7f72\u6d41\u7a0b<\/li>\n<li>\n<ul>\n<li>1.\u68c0\u67e5npd\u8f6f\u4ef6\u5305\u662f\u5426\u4e0b\u8f7d<\/li>\n<li>2.\u67e5\u770b\u865a\u62df\u673a\u914d\u7f6e\u7684\u5b50\u7f51\u63a9\u7801<\/li>\n<li>3.\u4fee\u6539master\u670d\u52a1\u5668ntp\u670d\u52a1\u7684\u914d\u7f6e<\/li>\n<li>3.\u4fee\u6539slave\u4ece\u670d\u52a1\u5668ntp\u670d\u52a1\u7684\u914d\u7f6e<\/li>\n<li>3.\u5206\u522b\u542f\u52a8\u4e3b\u4ece\u670d\u52a1\u5668\u4e2d\u7684ntp\u670d\u52a1<\/li>\n<li>\u89c2\u5bdf\u4ece\u670d\u52a1\u5668\u7684\u65f6\u95f4\u540c\u6b65<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3<\/li>\n<\/ul>\n<hr \/>\n<h2>\u524d\u8a00<\/h2>\n<p>\u5728\u5927\u6570\u636e\u73af\u5883\u4e0b&#xff0c;\u6570\u636e\u662f\u6d77\u91cf\u4e14\u6301\u7eed\u4ea7\u751f\u7684\u3002\u8bb8\u591a\u6570\u636e\u5e94\u7528\u573a\u666f&#xff0c;\u5bf9\u6570\u636e\u7684\u65f6\u95f4\u987a\u5e8f\u548c\u65f6\u6548\u6027\u8981\u6c42\u8f83\u9ad8\u3002\u5982\u679c\u670d\u52a1\u5668\u65f6\u95f4\u4e0d\u51c6\u786e&#xff0c;\u6570\u636e\u7684\u65f6\u95f4\u6807\u8bb0\u5c31\u4f1a\u51fa\u73b0\u6df7\u4e71\u3002NTP \u670d\u52a1\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u670d\u52a1\u5668\u7684\u65f6\u95f4\u7cbe\u786e\u540c\u6b65&#xff0c;\u4f7f\u5f97\u6570\u636e\u7684\u65f6\u95f4\u6807\u7b7e\u771f\u5b9e\u53ef\u9760&#xff0c;\u4fdd\u8bc1\u6570\u636e\u5728\u65f6\u95f4\u7ef4\u5ea6\u4e0a\u7684\u51c6\u786e\u6027\u3002<\/p>\n<h2>\u4e00\u3001\u4ec0\u4e48\u662fNTP\u670d\u52a1&#xff1f;<\/h2>\n<p>\u200cNTP\u670d\u52a1&#xff08;Network Time Protocol&#xff09;\u662f\u4e00\u79cd\u7528\u4e8e\u540c\u6b65\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u5404\u4e2a\u8bbe\u5907\u65f6\u95f4\u7684\u534f\u8bae\u3002\u200c\u5b83\u901a\u8fc7\u63a5\u6536\u6765\u81ea\u9ad8\u7cbe\u5ea6\u65f6\u95f4\u6e90&#xff08;\u5982\u539f\u5b50\u949f\u3001GPS\u536b\u661f\u7b49&#xff09;\u7684\u65f6\u95f4\u4fe1\u53f7&#xff0c;\u7136\u540e\u5c06\u8fd9\u4e9b\u65f6\u95f4\u4fe1\u606f\u4f20\u9012\u7ed9\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u8bbe\u5907&#xff0c;\u5e2e\u52a9\u5b83\u4eec\u6821\u51c6\u65f6\u95f4&#xff0c;\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002<\/p>\n<h2>\u4e8c\u3001\u4e3a\u4ec0\u4e48\u9700\u8981NTP\u670d\u52a1&#xff1f;<\/h2>\n<h3>2.1 \u4fdd\u8bc1\u6570\u636e\u65f6\u6548\u6027\u548c\u987a\u5e8f\u51c6\u786e\u6027<\/h3>\n<p>\u5728\u5927\u6570\u636e\u73af\u5883\u4e0b&#xff0c;\u6570\u636e\u662f\u6d77\u91cf\u4e14\u6301\u7eed\u4ea7\u751f\u7684\u3002\u8bb8\u591a\u6570\u636e\u5e94\u7528\u573a\u666f&#xff0c;\u5982\u91d1\u878d\u4ea4\u6613\u6d41\u6c34\u8bb0\u5f55\u3001\u7269\u8054\u7f51\u8bbe\u5907\u6570\u636e\u91c7\u96c6\u7b49&#xff0c;\u5bf9\u6570\u636e\u7684\u65f6\u95f4\u987a\u5e8f\u548c\u65f6\u6548\u6027\u8981\u6c42\u8f83\u9ad8\u3002NTP \u670d\u52a1\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u670d\u52a1\u5668\u7684\u65f6\u95f4\u7cbe\u786e\u540c\u6b65&#xff0c;\u4f7f\u5f97\u6570\u636e\u7684\u65f6\u95f4\u6807\u7b7e\u771f\u5b9e\u53ef\u9760&#xff0c;\u4fdd\u8bc1\u6570\u636e\u5728\u65f6\u95f4\u7ef4\u5ea6\u4e0a\u7684\u51c6\u786e\u6027\u3002\u5982\u679c\u670d\u52a1\u5668\u65f6\u95f4\u4e0d\u51c6\u786e&#xff0c;\u6570\u636e\u7684\u65f6\u95f4\u6807\u8bb0\u5c31\u4f1a\u51fa\u73b0\u6df7\u4e71\u3002<\/p>\n<h3>2.2 \u5206\u5e03\u5f0f\u7cfb\u7edf\u534f\u540c\u4f5c\u4e1a\u7684\u9700\u8981<\/h3>\n<p>\u5927\u6570\u636e\u670d\u52a1\u5668\u901a\u5e38\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf&#xff0c;\u7531\u4f17\u591a\u8282\u70b9\u7ec4\u6210\u3002\u8fd9\u4e9b\u8282\u70b9\u9700\u8981\u534f\u540c\u5de5\u4f5c\u6765\u5b8c\u6210\u6570\u636e\u7684\u5b58\u50a8\u3001\u5904\u7406\u548c\u5206\u6790\u4efb\u52a1\u3002 \u4ee5 Hadoop \u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf&#xff08;HDFS&#xff09;\u4e3a\u4f8b&#xff0c;\u5b83\u901a\u8fc7\u591a\u4e2a\u6570\u636e\u8282\u70b9\u548c\u540d\u79f0\u8282\u70b9\u6765\u7ba1\u7406\u548c\u5b58\u50a8\u6570\u636e\u3002\u6570\u636e\u5757\u5728\u4e0d\u540c\u8282\u70b9\u95f4\u7684\u590d\u5236\u3001\u5907\u4efd\u7b49\u64cd\u4f5c\u4f9d\u8d56\u4e8e\u51c6\u786e\u7684\u65f6\u95f4\u6233\u6765\u534f\u8c03\u3002\u5982\u679c\u8282\u70b9\u4e4b\u95f4\u65f6\u95f4\u4e0d\u540c\u6b65&#xff0c;\u53ef\u80fd\u4f1a\u51fa\u73b0\u6570\u636e\u5757\u590d\u5236\u5ef6\u8fdf\u6216\u51b2\u7a81\u7b49\u95ee\u9898\u3002NTP \u670d\u52a1\u80fd\u591f\u8ba9\u5404\u4e2a\u8282\u70b9\u7684\u65f6\u95f4\u4fdd\u6301\u4e00\u81f4&#xff0c;\u4fdd\u969c\u5206\u5e03\u5f0f\u7cfb\u7edf\u5185\u90e8\u5404\u79cd\u64cd\u4f5c\u6309\u7167\u9884\u5b9a\u7684\u65f6\u95f4\u8ba1\u5212\u6709\u5e8f\u8fdb\u884c\u3002<\/p>\n<h3>2.3 \u9632\u6b62\u65f6\u95f4\u76f8\u5173\u6545\u969c<\/h3>\n<p>\u65f6\u95f4\u9519\u8bef\u53ef\u80fd\u5bfc\u81f4\u4e00\u7cfb\u5217\u4e25\u91cd\u7684\u540e\u679c&#xff0c;\u5982SSL\/TLS\u8bc1\u4e66\u9a8c\u8bc1\u5931\u8d25\u3001\u8ba1\u5212\u4efb\u52a1\u672a\u6309\u9884\u671f\u6267\u884c\u3001\u6570\u636e\u5e93\u4e00\u81f4\u6027\u95ee\u9898\u7b49\u3002\u5f00\u542fNTP\u670d\u52a1\u80fd\u6709\u6548\u9884\u9632\u8fd9\u4e9b\u56e0\u65f6\u95f4\u4e0d\u540c\u6b65\u5f15\u53d1\u7684\u6545\u969c&#xff0c;\u63d0\u5347\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u200c<\/p>\n<h3>2.4 \u4f18\u5316\u7f51\u7edc\u6027\u80fd<\/h3>\n<p>\u5728\u8bb8\u591a\u7f51\u7edc\u5e94\u7528\u4e2d&#xff0c;\u5982\u7535\u5b50\u90ae\u4ef6\u3001\u5373\u65f6\u901a\u8baf\u7b49&#xff0c;\u53d1\u9001\u548c\u63a5\u6536\u7684\u65f6\u95f4\u6233\u9700\u8981\u4e25\u683c\u4fdd\u6301\u4e00\u81f4\u3002NTP\u670d\u52a1\u5668\u63d0\u4f9b\u7cbe\u786e\u7684\u65f6\u95f4&#xff0c;\u4ece\u800c\u4fdd\u8bc1\u8fd9\u4e9b\u5e94\u7528\u7684\u6b63\u5e38\u8fd0\u884c\u200c<\/p>\n<h2>\u4e09\u3001\u5b89\u88c5\u90e8\u7f72\u6d41\u7a0b<\/h2>\n<h3>1.\u68c0\u67e5npd\u8f6f\u4ef6\u5305\u662f\u5426\u4e0b\u8f7d<\/h3>\n<p>\u68c0\u67e5\u670d\u52a1\u5668\u662f\u5426\u4e0b\u8f7d\u4e86ntp\u8f6f\u4ef6\u5305,\u5982\u672a\u4e0b\u8f7d&#xff0c;\u5219\u901a\u8fc7yum\u65b9\u5f0f\u81ea\u884c\u5b89\u88c5<\/p>\n<p><span class=\"token comment\"># \u68c0\u67e5\u670d\u52a1\u5668\u662f\u5426\u4e0b\u8f7d\u4e86ntp\u8f6f\u4ef6\u5305<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;master etc<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># rpm -qa | grep ntp<\/span><br \/>\nntpdate-4.2.6p5-29.el7.centos.2.x86_64<br \/>\nntp-4.2.6p5-29.el7.centos.2.x86_64<br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;master etc<span class=\"token punctuation\">]<\/span><span class=\"token comment\">#<\/span><br \/>\n<span class=\"token comment\"># \u5982\u672a\u4e0b\u8f7d\u5219\u901a\u8fc7yum\u4e0b\u8f7d<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;master etc<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y ntp<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;master etc<span class=\"token punctuation\">]<\/span><span class=\"token comment\">#<\/span><\/p>\n<h3>2.\u67e5\u770b\u865a\u62df\u673a\u914d\u7f6e\u7684\u5b50\u7f51\u63a9\u7801<\/h3>\n<p>\u68c0\u67e5\u865a\u62df\u673a\u914d\u7f6e\u7684\u5b50\u7f51\u63a9\u7801,\u672c\u673a\u5b50\u7f51\u4e3a 192.168.40.0 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418121426-68024222cd871.png\" alt=\"\u865a\u62df\u673a\u914d\u7f6e\u7684\u5b50\u7f51\u63a9\u7801\" \/><\/p>\n<h3>3.\u4fee\u6539master\u670d\u52a1\u5668ntp\u670d\u52a1\u7684\u914d\u7f6e<\/h3>\n<p>ntp\u670d\u52a1\u5206\u4e3a\u670d\u52a1\u7aef,\u5ba2\u6237\u7aef&#xff0c;\u672c\u6587\u4ee5master\u670d\u52a1\u5668\u4e3antp\u670d\u52a1\u7aef&#xff0c;slave_1,salve_2\u4e3antp\u670d\u52a1\u7684\u5ba2\u6237\u7aef\u3002 ntp\u670d\u52a1\u914d\u7f6e\u6587\u4ef6\u8def\u5f84&#xff1a;\/etc\/ntp.conf \u5728master\u670d\u52a1\u5668\u7684ntp\u914d\u7f6e\u6587\u4ef6\u4e2d\u589e\u52a0\u4ee5\u4e0b\u914d\u7f6e\u5e76\u4e14\u6ce8\u91ca\u6389server<\/p>\n<p>restrict 192.168.40.0 mask 255.255.255.0 nomodify notrap server 127.127.1.0 # local clock fudge 127.127.1.0 stratum 10<\/p>\n<p>shell\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u4fee\u6539\u914d\u7f6e\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;master etc<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># vim \/etc\/ntp.conf <\/span><br \/>\n<span class=\"token comment\">#\u589e\u52a0\u5185\u5bb9\u5e76\u4e14\u6ce8\u91ca\u4e0d\u9700\u8981\u7684server<\/span><br \/>\n<span class=\"token comment\">#\u7ed9\u6307\u5b9a\u7684\u5ba2\u6237\u673a\u589e\u52a0\u8bbf\u95eeserver\u7684\u6743\u9650<\/span><br \/>\nrestrict <span class=\"token number\">192.168<\/span>.40.0 mask <span class=\"token number\">255.255<\/span>.255.0 nomodify notrap<br \/>\n<span class=\"token comment\"># \u8bbe\u7f6emaster\u4e3antp\u670d\u52a1\u7684\u670d\u52a1\u7aef<\/span><br \/>\nserver <span class=\"token number\">127.127<\/span>.1.0 <span class=\"token comment\"># local clock<\/span><br \/>\nfudge <span class=\"token number\">127.127<\/span>.1.0 stratum <span class=\"token number\">10<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418121427-68024223744f8.png\" alt=\"master\u670d\u52a1\u5668\u4fee\u6539\u914d\u7f6e\" \/> \u6ce8\u610f&#xff1a; \u4e3b\u4ece\u670d\u52a1\u5668\u4e4b\u95f4\u9700\u8981\u914d\u7f6ehostname,\u4ee5\u53cahosts<\/p>\n<h3>3.\u4fee\u6539slave\u4ece\u670d\u52a1\u5668ntp\u670d\u52a1\u7684\u914d\u7f6e<\/h3>\n<p>\u5728\u4ece\u670d\u52a1\u5668\u7684\u4e2d\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\/etc\/ntp.conf&#xff0c;\u4f7f\u5176\u6210\u4e3antp\u670d\u52a1\u7684\u5ba2\u6237\u7aef \u5c06\u4ee5\u4e0b\u4ee3\u7801\u52a0\u5165\u914d\u7f6e\u6587\u4ef6\u4e2d,\u5e76\u6ce8\u91ca\u6389\u4e0d\u9700\u8981\u7684server<\/p>\n<p>server master # \u914d\u7f6entp\u5ba2\u6237\u7aef\u9700\u8981\u4ece\u54ea\u4e2antp\u670d\u52a1\u7aef\u540c\u6b65<\/p>\n<p><span class=\"token punctuation\">[<\/span>root&#064;slave_1 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># vim \/etc\/ntp.conf<\/span><br \/>\nserver master  <span class=\"token comment\"># \u914d\u7f6entp\u5ba2\u6237\u7aef\u9700\u8981\u4ece\u54ea\u4e2antp\u670d\u52a1\u7aef\u540c\u6b65<\/span><br \/>\n<span class=\"token comment\">#server 0.centos.pool.ntp.org iburst<\/span><br \/>\n<span class=\"token comment\">#server 1.centos.pool.ntp.org iburst<\/span><br \/>\n<span class=\"token comment\">#server 2.centos.pool.ntp.org iburst<\/span><br \/>\n<span class=\"token comment\">#server 3.centos.pool.ntp.org iburst<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418121427-68024223a4af2.png\" alt=\"\u4ece\u670d\u52a1\u5668ntp\u670d\u52a1\u914d\u7f6e\" \/><\/p>\n<h3>3.\u5206\u522b\u542f\u52a8\u4e3b\u4ece\u670d\u52a1\u5668\u4e2d\u7684ntp\u670d\u52a1<\/h3>\n<p>\u5728\u4e3b\u670d\u52a1\u5668master\u4e2d\u542f\u52a8ntp\u670d\u52a1&#xff0c;\u4ece\u670d\u52a1\u5668slave_1,slave_2\u4e2d\u542f\u52a8ntp\u670d\u52a1&#xff0c;\u5e76\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f<\/p>\n<p><span class=\"token comment\"># master\u4e3b\u670d\u52a1\u5668 \u542f\u52a8ntp\u670d\u52a1,\u5e76\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;master etc<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># service ntpd start<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;master etc<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># chkconfig ntpd on<\/span><br \/>\n\u6ce8\u610f&#xff1a;\u6b63\u5728\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u201csystemctl <span class=\"token builtin class-name\">enable<\/span> ntpd.service\u201d\u3002<br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;master etc<span class=\"token punctuation\">]<\/span><span class=\"token comment\">#<\/span><\/p>\n<p><span class=\"token comment\"># slave_1\u4ece\u670d\u52a1\u5668\u542f\u52a8ntpd\u670d\u52a1&#xff0c;\u5e76\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_1 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># service ntpd start<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_1 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># chkconfig ntpd on<\/span><br \/>\n\u6ce8\u610f&#xff1a;\u6b63\u5728\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u201csystemctl <span class=\"token builtin class-name\">enable<\/span> ntpd.service\u201d\u3002<\/p>\n<p><span class=\"token comment\"># slave_2\u4ece\u670d\u52a1\u5668\u542f\u52a8ntpd\u670d\u52a1&#xff0c;\u5e76\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_2 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># service ntpd start<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_2 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># chkconfig ntpd on<\/span><br \/>\n\u6ce8\u610f&#xff1a;\u6b63\u5728\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u201csystemctl <span class=\"token builtin class-name\">enable<\/span> ntpd.service\u201d\u3002<\/p>\n<h3>\u89c2\u5bdf\u4ece\u670d\u52a1\u5668\u7684\u65f6\u95f4\u540c\u6b65<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u4ece\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65\u60c5\u51b5<\/p>\n<p>ntpq -p ntpdc -c loopinfo<\/p>\n<p><span class=\"token comment\"># \u67e5\u770b\u4ece\u670d\u52a1\u5668slave_1\u7684\u65f6\u95f4\u540c\u6b65<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_1 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ntpq -p<\/span><br \/>\n     remote           refid      st t when poll reach   delay   offset  jitter<br \/>\n<span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><br \/>\n*master          LOCAL<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span>        <span class=\"token number\">11<\/span> u   <span class=\"token number\">55<\/span>  <span class=\"token number\">256<\/span>  <span class=\"token number\">377<\/span>    <span class=\"token number\">0.644<\/span>    <span class=\"token number\">0.084<\/span>   <span class=\"token number\">1.250<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_1 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ntpdc -c loopinfo<\/span><br \/>\noffset:               <span class=\"token number\">0.000084<\/span> s<br \/>\nfrequency:            <span class=\"token number\">0.072<\/span> ppm<br \/>\npoll adjust:          <span class=\"token number\">0<\/span><br \/>\nwatchdog timer:       <span class=\"token number\">461<\/span> s<br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_1 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\">#<\/span><br \/>\n<span class=\"token comment\"># \u67e5\u770b\u4ece\u670d\u52a1\u5668slave_2\u7684\u65f6\u95f4\u540c\u6b65<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_2 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ntpq -p <\/span><br \/>\n     remote           refid      st t when poll reach   delay   offset  jitter<br \/>\n<span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><span class=\"token operator\">&#061;&#061;<\/span><br \/>\n*master          LOCAL<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span>        <span class=\"token number\">11<\/span> u  <span class=\"token number\">247<\/span>  <span class=\"token number\">256<\/span>  <span class=\"token number\">377<\/span>    <span class=\"token number\">0.433<\/span>    <span class=\"token number\">0.346<\/span>   <span class=\"token number\">4.929<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_2 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># ntpdc -c loopinfo<\/span><br \/>\noffset:               <span class=\"token number\">0.000346<\/span> s<br \/>\nfrequency:            <span class=\"token parameter variable\">-0.258<\/span> ppm<br \/>\npoll adjust:          <span class=\"token number\">0<\/span><br \/>\nwatchdog timer:       <span class=\"token number\">1439<\/span> s<br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;slave_2 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\">#<\/span><\/p>\n<hr \/>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u672c\u6587\u7b80\u5355\u4ecb\u7ecd\u4e86NTP\u670d\u52a1\u7684\u4f5c\u7528&#xff0c;\u4ee5\u53caNTP\u670d\u52a1\u7684\u642d\u5efa\u3002\u672c\u6587\u793a\u4f8b\u4e2d\u670d\u52a1\u5668\u73af\u5883\u662fCentOS Linux release 7.7.1908 (Core)&#xff0c;\u5e76\u4e14\u4e3b\u4ece\u670d\u52a1\u5668\u5206\u522b\u914d\u7f6e\u4e86hostname,hosts\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.5k\u6b21\uff0c\u70b9\u8d5e22\u6b21\uff0c\u6536\u85cf14\u6b21\u3002\u5728\u5927\u6570\u636e\u73af\u5883\u4e0b\uff0c\u6570\u636e\u662f\u6d77\u91cf\u4e14\u6301\u7eed\u4ea7\u751f\u7684\u3002\u8bb8\u591a\u6570\u636e\u5e94\u7528\u573a\u666f\uff0c\u5bf9\u6570\u636e\u7684\u65f6\u95f4\u987a\u5e8f\u548c\u65f6\u6548\u6027\u8981\u6c42\u8f83\u9ad8\u3002\u5982\u679c\u670d\u52a1\u5668\u65f6\u95f4\u4e0d\u51c6\u786e\uff0c\u6570\u636e\u7684\u65f6\u95f4\u6807\u8bb0\u5c31\u4f1a\u51fa\u73b0\u6df7\u4e71\u3002NTP \u670d\u52a1\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u670d\u52a1\u5668\u7684\u65f6\u95f4\u7cbe\u786e\u540c\u6b65\uff0c\u4f7f\u5f97\u6570\u636e\u7684\u65f6\u95f4\u6807\u7b7e\u771f\u5b9e\u53ef\u9760\uff0c\u4fdd\u8bc1\u6570\u636e\u5728\u65f6\u95f4\u7ef4\u5ea6\u4e0a\u7684\u51c6\u786e\u6027\u3002\u200cNTP\u670d\u52a1\uff08Network Time Protocol\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u540c\u6b65\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u5404\u4e2a\u8bbe\u5907\u65f6\u95f4\u7684\u534f\u8bae\u3002\u200c\u5b83\u901a\u8fc7\u63a5\u6536\u6765\u81ea\u9ad8\u7cbe\u5ea6\u65f6\u95f4\u6e90\uff08\u5982\u539f\u5b50\u949f\u3001GPS\u536b\u661f\u7b49\uff09\u7684\u65f6\u95f4\u4fe1\u53f7\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u65f6\u95f4\u4fe1\u606f\u4f20\u9012\u7ed9\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u8bbe\u5907\uff0c\u5e2e\u52a9\u5b83\u4eec\u6821\u51c6\u65f6\u95f4\uff0c\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002_ntp<\/p>\n","protected":false},"author":2,"featured_media":13212,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[779,43,44],"topic":[],"class_list":["post-13215","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-hadoop","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u670d\u52a1\u5668\u4e4bntp\u540c\u6b65\u65f6\u95f4 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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:\/\/www.wsisp.com\/helps\/13215.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u670d\u52a1\u5668\u4e4bntp\u540c\u6b65\u65f6\u95f4 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.5k\u6b21\uff0c\u70b9\u8d5e22\u6b21\uff0c\u6536\u85cf14\u6b21\u3002\u5728\u5927\u6570\u636e\u73af\u5883\u4e0b\uff0c\u6570\u636e\u662f\u6d77\u91cf\u4e14\u6301\u7eed\u4ea7\u751f\u7684\u3002\u8bb8\u591a\u6570\u636e\u5e94\u7528\u573a\u666f\uff0c\u5bf9\u6570\u636e\u7684\u65f6\u95f4\u987a\u5e8f\u548c\u65f6\u6548\u6027\u8981\u6c42\u8f83\u9ad8\u3002\u5982\u679c\u670d\u52a1\u5668\u65f6\u95f4\u4e0d\u51c6\u786e\uff0c\u6570\u636e\u7684\u65f6\u95f4\u6807\u8bb0\u5c31\u4f1a\u51fa\u73b0\u6df7\u4e71\u3002NTP \u670d\u52a1\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u670d\u52a1\u5668\u7684\u65f6\u95f4\u7cbe\u786e\u540c\u6b65\uff0c\u4f7f\u5f97\u6570\u636e\u7684\u65f6\u95f4\u6807\u7b7e\u771f\u5b9e\u53ef\u9760\uff0c\u4fdd\u8bc1\u6570\u636e\u5728\u65f6\u95f4\u7ef4\u5ea6\u4e0a\u7684\u51c6\u786e\u6027\u3002\u200cNTP\u670d\u52a1\uff08Network Time Protocol\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u540c\u6b65\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u5404\u4e2a\u8bbe\u5907\u65f6\u95f4\u7684\u534f\u8bae\u3002\u200c\u5b83\u901a\u8fc7\u63a5\u6536\u6765\u81ea\u9ad8\u7cbe\u5ea6\u65f6\u95f4\u6e90\uff08\u5982\u539f\u5b50\u949f\u3001GPS\u536b\u661f\u7b49\uff09\u7684\u65f6\u95f4\u4fe1\u53f7\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u65f6\u95f4\u4fe1\u606f\u4f20\u9012\u7ed9\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u8bbe\u5907\uff0c\u5e2e\u52a9\u5b83\u4eec\u6821\u51c6\u65f6\u95f4\uff0c\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002_ntp\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/13215.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-18T12:14:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418121426-68024222cd871.png\" \/>\n<meta name=\"author\" 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