{"id":49184,"date":"2025-07-30T16:22:41","date_gmt":"2025-07-30T08:22:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/49184.html"},"modified":"2025-07-30T16:22:41","modified_gmt":"2025-07-30T08:22:41","slug":"ubuntu-ntp%e6%90%ad%e5%bb%ba%e5%ae%a2%e6%88%b7%e7%ab%af%e5%8f%8a%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/49184.html","title":{"rendered":"Ubuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668)"},"content":{"rendered":"

\u00a0Ubuntu \u7cfb\u7edf\u4e2d\u53ef\u7528\u7684 NTP \u65b9\u6848\u6709systemd-timesyncd\u3001NTP\u3001chrony\u7b49<\/p>\n

\u4e00. systemd-timesyncd（\u8f7b\u91cf\u7ea7\u5ba2\u6237\u7aef）
\n\u5b9a\u4f4d：\u96c6\u6210\u4e8e systemd \u7684\u8f7b\u91cf\u7ea7 NTP \u5ba2\u6237\u7aef，\u4e0d\u652f\u6301\u4f5c\u4e3a\u670d\u52a1\u7aef，ubuntu2204\u9ed8\u8ba4\u5b89\u88c5\u4e86\u8be5\u5ba2\u6237\u7aef<\/span>\u3002
\n\u7279\u70b9：
\n\u00a0 \u4f4e\u8d44\u6e90\u5360\u7528（\u5185\u5b58\u7ea6 1-2MB）
\n\u00a0 \u81ea\u52a8\u9009\u62e9\u6700\u4f18\u670d\u52a1\u5668，\u52a8\u6001\u8c03\u6574\u8f6e\u8be2\u95f4\u9694
\n\u00a0 \u9ed8\u8ba4\u914d\u7f6e\u7b80\u5355，\u9002\u5408\u684c\u9762\u73af\u5883<\/p>\n

1. \u5b89\u88c5\u670d\u52a1
\n\u00a0\u00a0 \u00a0sudo apt update && sudo apt install systemd-timesyncd -y
\n\u9a8c\u8bc1\u5b89\u88c5：
\n\u00a0 dpkg -l | grep systemd-timesyncd \u00a0# \u786e\u8ba4\u5305\u5df2\u5b89\u88c5
\n\u00a0\u00a0<\/p>\n

2. \u914d\u7f6e\u6587\u4ef6
\n\u7f16\u8f91\u4e3b\u914d\u7f6e\u6587\u4ef6 \/etc\/systemd\/timesyncd.conf：
\nsudo nano \/etc\/systemd\/timesyncd.conf<\/p>\n

\u5173\u952e\u914d\u7f6e\u9879：
\n[Time]
\nNTP=ntp.aliyun.com ntp.tencent.com \u00a0# \u4e3b\u670d\u52a1\u5668（\u7a7a\u683c\u5206\u9694）
\nFallbackNTP=0.pool.ntp.org 1.pool.ntp.org \u00a0# \u5907\u7528\u670d\u52a1\u5668
\nRootDistanceMaxSec=5 \u00a0 \u00a0 \u00a0 \u00a0# \u6700\u5927\u6839\u8ddd\u79bb（\u79d2）
\nPollIntervalMinSec=32 \u00a0 \u00a0 \u00a0 # \u6700\u5c0f\u8f6e\u8be2\u95f4\u9694（\u79d2）
\nPollIntervalMaxSec=2048 \u00a0 \u00a0 # \u6700\u5927\u8f6e\u8be2\u95f4\u9694（\u79d2）<\/p>\n

\n\u6838\u5fc3\u547d\u4ee4<\/p>\n

1. \u670d\u52a1\u7ba1\u7406
\nsystemctl status systemd-timesyncd \u67e5\u770b\u670d\u52a1\u72b6\u6001
\nsystemctl restart systemd-timesyncd \u91cd\u542f\u670d\u52a1
\nsystemctl stop systemd-timesyncd \u505c\u6b62\u670d\u52a1
\nsystemctl disable systemd-timesyncd \u7981\u7528\u5f00\u673a\u81ea\u542f
\n2. \u65f6\u95f4\u540c\u6b65\u63a7\u5236
\n\u547d\u4ee4 \u8bf4\u660e
\ntimedatectl set-ntp true \u542f\u7528 NTP \u540c\u6b65（\u7b49\u6548\u4e8e\u542f\u52a8\u670d\u52a1）
\ntimedatectl set-ntp false \u7981\u7528 NTP \u540c\u6b65
\nsudo systemd-timesyncd –force-refresh \u5f3a\u5236\u7acb\u5373\u540c\u6b65
\n3. \u72b6\u6001\u67e5\u770b
\n\u547d\u4ee4 \u5173\u952e\u8f93\u51fa\u9879
\ntimedatectl status:\u00a0
\n\u00a0\u00a0 \u00a0System clock synchronized: yes（\u540c\u6b65\u72b6\u6001）
\njournalctl -u systemd-timesyncd \u67e5\u770b\u5b9e\u65f6\u65e5\u5fd7
\ntimedatectl show-timesync –all \u663e\u793a\u8be6\u7ec6\u540c\u6b65\u53c2\u6570
\n# \u67e5\u770b\u5f53\u524d\u65f6\u95f4\u6e90
\ntimedatectl timesync-status<\/p>\n<\/p>\n

\u4e8c\u3001ntpd（\u4f20\u7edf NTP \u670d\u52a1\u7aef\/\u5ba2\u6237\u7aef）
\n\u5b9a\u4f4d：\u529f\u80fd\u5b8c\u6574\u7684 NTP \u5b9e\u73b0，\u652f\u6301\u670d\u52a1\u7aef\u4e0e\u5ba2\u6237\u7aef<\/span>\u3002
\n\u7279\u70b9：
\n\u00a0 \u652f\u6301\u590d\u6742\u7f51\u7edc\u62d3\u6251（Stratum \u5206\u5c42）
\n\u00a0 \u63d0\u4f9b\u5fae\u79d2\u7ea7\u540c\u6b65\u7cbe\u5ea6
\n\u00a0 \u914d\u7f6e\u590d\u6742，\u8d44\u6e90\u5360\u7528\u8f83\u9ad8（\u5185\u5b58\u7ea6 10-20MB）
\n\u914d\u7f6e\u6587\u4ef6：\/etc\/ntp.conf
\n\u9002\u7528\u573a\u666f：\u4f01\u4e1a\u7ea7\u670d\u52a1\u5668\u3001\u9ad8\u7cbe\u5ea6\u9700\u6c42\u73af\u5883<\/p>\n

1)\u3001NTP \u5ba2\u6237\u7aef\u914d\u7f6e\u4e0e\u6d4b\u8bd5
\n1. \u5b89\u88c5\u5ba2\u6237\u7aef\u5de5\u5177
\nsudo apt update && sudo apt install ntp ntpdate -y
\n2. \u914d\u7f6e\u5ba2\u6237\u7aef
\n\u7f16\u8f91 \/etc\/ntp.conf：
\nsudo nano \/etc\/ntp.conf
\n\u5173\u952e\u914d\u7f6e：
\n# \u6307\u5b9a\u4e0a\u6e38 NTP \u670d\u52a1\u5668（\u53ef\u914d\u7f6e\u591a\u4e2a）
\nserver ntp.aliyun.com iburst
\nserver ntp.tencent.com iburst
\n# \u7981\u7528\u672c\u5730\u65f6\u949f\u4f5c\u4e3a\u5907\u7528（\u53ef\u9009）
\n# server 127.127.1.0
\n# fudge 127.127.1.0 stratum 10<\/p>\n

3. \u542f\u52a8\u5ba2\u6237\u7aef\u670d\u52a1
\nsudo systemctl restart ntp
\nsudo systemctl enable ntp<\/p>\n

4. \u6d4b\u8bd5\u5ba2\u6237\u7aef\u540c\u6b65
\n\u67e5\u770b\u540c\u6b65\u72b6\u6001：
\n\u00a0 ntpq -p
\n\u00a0 # \u8f93\u51fa\u793a\u4f8b：
\n\u00a0 # remote \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 refid \u00a0 \u00a0 \u00a0st t when poll reach \u00a0 delay \u00a0 offset \u00a0jitter
\n\u00a0 # ==============================================================================
\n\u00a0 # *ntp1.aliyun.com 202.108.6.95 \u00a0 \u00a0 2 u \u00a0123 1024 \u00a0377 \u00a0 12.345 \u00a0 -0.678 \u00a0 0.123
\n\u00a0\u00a0
\n\u00a0 ? * \u8868\u793a\u5f53\u524d\u4f7f\u7528\u7684\u670d\u52a1\u5668，+ \u4e3a\u5019\u9009\u670d\u52a1\u5668<\/p>\n

\u624b\u52a8\u540c\u6b65\u6d4b\u8bd5：
\n\u00a0 sudo ntpdate -u ntp.aliyun.com \u00a0# \u5f3a\u5236\u540c\u6b65
\n\u00a0 date \u00a0# \u9a8c\u8bc1\u65f6\u95f4\u662f\u5426\u66f4\u65b0<\/p>\n

2)\u3001NTP \u670d\u52a1\u7aef\u914d\u7f6e\u4e0e\u6d4b\u8bd5
\n1. \u5b89\u88c5\u670d\u52a1\u7aef
\nsudo apt update && sudo apt install ntp -y<\/p>\n

2. \u914d\u7f6e\u670d\u52a1\u7aef
\n\u7f16\u8f91 \/etc\/ntp.conf：
\nsudo nano \/etc\/ntp.conf<\/p>\n

\u5173\u952e\u914d\u7f6e：
\n# \u5141\u8bb8\u5c40\u57df\u7f51\u5ba2\u6237\u7aef\u8bbf\u95ee（\u6839\u636e\u5b9e\u9645\u7f51\u6bb5\u4fee\u6539）
\nrestrict 192.168.1.0 mask 255.255.255.0 nomodify notrap<\/p>\n

# \u672c\u5730\u65f6\u949f\u4f5c\u4e3a\u5907\u7528（stratum \u503c\u5efa\u8bae \u226510）
\nserver 127.127.1.0
\nfudge 127.127.1.0 stratum 10<\/p>\n

# \u4e0a\u6e38\u670d\u52a1\u5668（\u53ef\u9009）
\nserver ntp.aliyun.com iburst<\/p>\n

3. \u542f\u52a8\u670d\u52a1\u7aef
\nsudo systemctl restart ntp
\nsudo systemctl enable ntp<\/p>\n

\n4. \u6d4b\u8bd5\u670d\u52a1\u7aef\u529f\u80fd
\n\u67e5\u770b\u670d\u52a1\u72b6\u6001：
\n\u00a0 systemctl status ntp
\n\u00a0 # \u786e\u8ba4 Active: active (running)
\n\u00a0
\n\u6a21\u62df\u5ba2\u6237\u7aef\u540c\u6b65\u6d4b\u8bd5：
\n\u00a0 # \u5728\u5176\u4ed6\u8bbe\u5907\u4e0a\u6267\u884c：
\n\u00a0 ntpdate -q 192.168.1.100 \u00a0# \u66ff\u6362\u4e3a\u670d\u52a1\u7aef IP
\n\u00a0 # \u8f93\u51fa\u793a\u4f8b：
\n\u00a0 # server 192.168.1.100, stratum 2, offset -0.000036, delay 0.025
\n\u00a0\u00a0
\n\u67e5\u770b\u8fde\u63a5\u8be6\u60c5：
\n\u00a0 ntpdc -c peers 192.168.1.100 \u00a0# \u67e5\u770b\u5ba2\u6237\u7aef\u8fde\u63a5\u72b6\u6001<\/p>\n<\/p>\n

\u4e09\u3001chrony（\u52a8\u6001\u540c\u6b65\u5ba2\u6237\u7aef\/\u670d\u52a1\u7aef<\/span>）
\n\u5b9a\u4f4d：\u73b0\u4ee3 NTP \u5b9e\u73b0，\u652f\u6301\u52a8\u6001\u8c03\u6574\u548c\u65ad\u7f51\u8865\u507f\u3002
\n\u7279\u70b9：
\n\u00a0 \u5feb\u901f\u542f\u52a8（1\u79d2\u5185\u5b8c\u6210\u521d\u59cb\u540c\u6b65）
\n\u00a0 \u7f51\u7edc\u4e0d\u7a33\u5b9a\u65f6\u4ecd\u80fd\u4fdd\u6301\u7cbe\u5ea6
\n\u00a0 \u652f\u6301\u786c\u4ef6\u65f6\u949f\u540c\u6b65（rtcsync）
\n\u914d\u7f6e\u6587\u4ef6：\/etc\/chrony.conf
\n\u9002\u7528\u573a\u666f：\u865a\u62df\u673a\u3001\u4e91\u4e3b\u673a\u3001\u79fb\u52a8\u8bbe\u5907<\/p>\n

1)\u3001Chrony \u4f5c\u4e3a\u5ba2\u6237\u7aef\u914d\u7f6e\u4e0e\u6d4b\u8bd5
\n1. \u5b89\u88c5\u4e0e\u57fa\u7840\u914d\u7f6e
\nsudo apt update && sudo apt install chrony -y<\/p>\n

2. \u914d\u7f6e\u5ba2\u6237\u7aef
\n\u7f16\u8f91 \/etc\/chrony\/chrony.conf：
\nsudo nano \/etc\/chrony\/chrony.conf<\/p>\n

\u5173\u952e\u914d\u7f6e：
\n# \u6307\u5b9a\u4e0a\u6e38 NTP \u670d\u52a1\u5668（\u53ef\u914d\u7f6e\u591a\u4e2a）
\nserver ntp.aliyun.com iburst
\nserver ntp.tencent.com iburst<\/p>\n

# \u7981\u7528\u672c\u5730\u65f6\u949f\u4f5c\u4e3a\u5907\u7528（\u53ef\u9009）
\n# server 127.127.1.0 iburst
\n# fudge 127.127.1.0 stratum 10<\/p>\n

\n3. \u542f\u52a8\u5ba2\u6237\u7aef
\nsudo systemctl restart chronyd
\nsudo systemctl enable chronyd<\/p>\n

\n4. \u6d4b\u8bd5\u5ba2\u6237\u7aef\u540c\u6b65
\n\u00a0 \u67e5\u770b\u540c\u6b65\u72b6\u6001：
\n\u00a0 chronyc sources -v
\n\u00a0 # \u8f93\u51fa\u793a\u4f8b：
\n\u00a0 #MS Name\/IP address \u00a0 \u00a0 \u00a0 \u00a0 Stratum Poll Reach LastRx Last sample
\n\u00a0 #===============================================================================
\n\u00a0 #^* ntp.aliyun.com \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02 \u00a0 \u00a0 6 \u00a0 377 \u00a0 123 \u00a0 +36us[+1230us] +\/- 1111ms
\n\u00a0\u00a0
\n\u00a0 ? ^* \u8868\u793a\u5f53\u524d\u4f7f\u7528\u7684\u670d\u52a1\u5668，^+ \u4e3a\u5019\u9009\u670d\u52a1\u5668<\/p>\n

\u624b\u52a8\u540c\u6b65\u6d4b\u8bd5：
\n\u00a0 sudo chronyc -a makestep \u00a0# \u5f3a\u5236\u7acb\u5373\u540c\u6b65
\n\u00a0 date \u00a0# \u9a8c\u8bc1\u65f6\u95f4\u662f\u5426\u66f4\u65b0
\n\u00a0\u00a0<\/p>\n

2)\u3001Chrony \u4f5c\u4e3a\u670d\u52a1\u7aef\u914d\u7f6e\u4e0e\u6d4b\u8bd5
\n1. \u5b89\u88c5\u4e0e\u57fa\u7840\u914d\u7f6e
\nsudo apt update && sudo apt install chrony -y
\n2. \u914d\u7f6e\u670d\u52a1\u7aef<\/p>\n

\u7f16\u8f91 \/etc\/chrony\/chrony.conf：
\nsudo nano \/etc\/chrony\/chrony.conf<\/p>\n

\u5173\u952e\u914d\u7f6e：
\n# \u5141\u8bb8\u5c40\u57df\u7f51\u5ba2\u6237\u7aef\u8bbf\u95ee（\u6839\u636e\u5b9e\u9645\u7f51\u6bb5\u4fee\u6539）
\nallow 192.168.1.0\/24<\/p>\n

# \u672c\u5730\u65f6\u949f\u4f5c\u4e3a\u5907\u7528（stratum \u503c\u5efa\u8bae \u226510）
\nserver 127.127.1.0 iburst
\nfudge 127.127.1.0 stratum 10<\/p>\n

# \u4e0a\u6e38\u670d\u52a1\u5668（\u53ef\u9009）
\nserver ntp.aliyun.com iburst<\/p>\n

3. \u542f\u52a8\u670d\u52a1\u7aef
\nsudo systemctl restart chronyd
\nsudo systemctl enable chronyd<\/p>\n

4. \u6d4b\u8bd5\u670d\u52a1\u7aef\u529f\u80fd
\n\u00a0\u67e5\u770b\u670d\u52a1\u72b6\u6001：
\n\u00a0 systemctl status chronyd
\n\u00a0 # \u786e\u8ba4 Active: active (running)
\n\u00a0\u00a0
\n5. \u9632\u706b\u5899\u653e\u884c：
\n\u00a0 \u00a0sudo ufw allow 123\/udp \u00a0# \u5f00\u653e UDP 123 \u7aef\u53e3<\/p>\n<\/p>\n

\u540c\u4e00\u53f0\u673a\u5668\u53ef\u4ee5\u540c\u65f6\u5b89\u88c5\u591a\u4e2a NTP \u5ba2\u6237\u7aef\u6216\u591a\u4e2a NTP \u670d\u52a1\u7aef \u9700\u8981\u4e0d\u540c\u7aef\u53e3<\/span><\/p>\n<\/p>\n

\u4e0b\u9762\u662f\u4e24\u4e2asystemd-timesyncd\u4f5c\u4e3antp\u5ba2\u6237\u7aef<\/p>\n

\u5ba2\u6237\u7aef\u914d\u7f6e<\/p>\n

\"\"<\/p>\n

\u4fee\u6539\u4e86\u4e3a\u81ea\u5b9a\u4e49\u7684ntp\u670d\u52a1\u5668<\/p>\n

\u540c\u6b65\u81ea\u5b9a\u4e49\u670d\u52a1\u5668\u6709\u95ee\u9898\u53ca\u6ca1\u95ee\u9898\u7684\u56fe\u7247<\/p>\n

\"\"<\/p>\n

\n

\u4e0a\u9762\u8fd9\u4e2a\u662f\u628antp\u670d\u52a1\u5668\u5173\u4e86 \u53ef\u4ee5\u770b\u5230\u8fd9\u91cc\u4f5c\u4e3a\u5ba2\u6237\u7aef \u540c\u6b65\u65f6\u95f4\u8d85\u65f6\u4e86<\/p>\n

\"\"<\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb790\u6b21\uff0c\u70b9\u8d5e13\u6b21\uff0c\u6536\u85cf9\u6b21\u3002NTP=ntp.aliyun.com ntp.tencent.com # \u4e3b\u670d\u52a1\u5668\uff08\u7a7a\u683c\u5206\u9694\uff09sudo systemd-timesyncd –force-refresh \u5f3a\u5236\u7acb\u5373\u540c\u6b65\u3002dpkg -l | grep systemd-timesyncd # \u786e\u8ba4\u5305\u5df2\u5b89\u88c5\u3002systemctl status systemd-timesyncd \u67e5\u770b\u670d\u52a1\u72b6\u6001\u3002System clock synchronized: yes\uff08\u540c\u6b65\u72b6\u6001\uff09journalctl -u systemd-timesyncd \u67e5\u770b\u5b9e\u65f6\u65e5\u5fd7\u3002<\/p>\n","protected":false},"author":2,"featured_media":49181,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-49184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"\nUbuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668) - \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\/49184.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ubuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb790\u6b21\uff0c\u70b9\u8d5e13\u6b21\uff0c\u6536\u85cf9\u6b21\u3002NTP=ntp.aliyun.com ntp.tencent.com # \u4e3b\u670d\u52a1\u5668\uff08\u7a7a\u683c\u5206\u9694\uff09sudo systemd-timesyncd --force-refresh \u5f3a\u5236\u7acb\u5373\u540c\u6b65\u3002dpkg -l | grep systemd-timesyncd # \u786e\u8ba4\u5305\u5df2\u5b89\u88c5\u3002systemctl status systemd-timesyncd \u67e5\u770b\u670d\u52a1\u72b6\u6001\u3002System clock synchronized: yes\uff08\u540c\u6b65\u72b6\u6001\uff09journalctl -u systemd-timesyncd \u67e5\u770b\u5b9e\u65f6\u65e5\u5fd7\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/49184.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-30T08:22:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730082239-6889d64fb0324.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/49184.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/49184.html\",\"name\":\"Ubuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-07-30T08:22:41+00:00\",\"dateModified\":\"2025-07-30T08:22:41+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/49184.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/49184.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/49184.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ubuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ubuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/49184.html","og_locale":"zh_CN","og_type":"article","og_title":"Ubuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb790\u6b21\uff0c\u70b9\u8d5e13\u6b21\uff0c\u6536\u85cf9\u6b21\u3002NTP=ntp.aliyun.com ntp.tencent.com # \u4e3b\u670d\u52a1\u5668\uff08\u7a7a\u683c\u5206\u9694\uff09sudo systemd-timesyncd --force-refresh \u5f3a\u5236\u7acb\u5373\u540c\u6b65\u3002dpkg -l | grep systemd-timesyncd # \u786e\u8ba4\u5305\u5df2\u5b89\u88c5\u3002systemctl status systemd-timesyncd \u67e5\u770b\u670d\u52a1\u72b6\u6001\u3002System clock synchronized: yes\uff08\u540c\u6b65\u72b6\u6001\uff09journalctl -u systemd-timesyncd \u67e5\u770b\u5b9e\u65f6\u65e5\u5fd7\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/49184.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-07-30T08:22:41+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/07\/20250730082239-6889d64fb0324.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/49184.html","url":"https:\/\/www.wsisp.com\/helps\/49184.html","name":"Ubuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-07-30T08:22:41+00:00","dateModified":"2025-07-30T08:22:41+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/49184.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/49184.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/49184.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Ubuntu ntp\u642d\u5efa(\u5ba2\u6237\u7aef\u53ca\u670d\u52a1\u5668)"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/49184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=49184"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/49184\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/49181"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=49184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=49184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=49184"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=49184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}