
\u8fd0\u884c\u5728\u9752\u4e91\u79c1\u6709\u4e91\u4e0a\u7684 Ubuntu 22.04 \u865a\u62df\u673a\uff0c\u901a\u8fc7 systemd-timesyncd \u91c7\u7528 ntp.ubuntu.com \u670d\u52a1\u5668\u8fdb\u884c NTP \u540c\u6b65\u3002\u5728 /var/log/syslog \u4e2d\u6bcf\u9694\u5927\u7ea6\u534a\u5c0f\u65f6\u5c31\u4f1a\u4ea7\u751f\u4e24\u6761\u6765\u81ea systemd-resolved \u7684\u65e5\u5fd7\u63d0\u793a\u7cfb\u7edf\u65f6\u95f4\u66f4\u6539\u3002
\n\u4e00\u53f0\u865a\u62df\u673a xxx \u65f6\u95f4\u7a81\u7136\u5411\u8fc7\u53bb\u8df3\u53d8\uff0c\u518d\u6062\u590d\u6b63\u5e38\uff1a
\nMay 31 17:18:44 xxx systemd-resolved[724]: Clock change detected. Flushing caches.\n\nMay 31 17:18:51 xxx systemd-resolved[724]: Clock change detected. Flushing caches.\n\nMay 31 17:48:48 xxx systemd-resolved[724]: Clock change detected. Flushing caches.\n\nMay 31 17:48:54 xxx systemd-resolved[724]: Clock change detected. Flushing caches.\n\n\u53e6\u4e00\u53f0\u865a\u62df\u673a\u65f6\u95f4 yyy \u7a81\u7136\u5411\u5c06\u6765\u8df3\u53d8\uff0c\u518d\u6062\u590d\u6b63\u5e38\uff1a
\nMay 31 17:53:58 yyy systemd-resolved[690]: Clock change detected. Flushing caches.\n\nMay 31 17:52:22 yyy systemd-resolved[690]: Clock change detected. Flushing caches.\n\nMay 31 18:24:03 yyy systemd-resolved[690]: Clock change detected. Flushing caches.\n\nMay 31 18:22:27 yyy systemd-resolved[690]: Clock change detected. Flushing caches.\n\n\u5728\u670d\u52a1\u5668\u4e0a\u901a\u8fc7 top \uff08\u95f4\u9694\u8bbe\u4e3a 0.1 \u79d2\uff09\u73b0\u573a\u89c2\u6d4b\u89c2\u5bdf\u5230\u7684\u65f6\u95f4\u8df3\u53d8\u73b0\u8c61\u4e0e\u65e5\u5fd7\u4e2d\u7684\u8bb0\u5f55\u76f8\u7b26\u3002
\n\u865a\u62df\u673a\u4e0a /sys/devices/syste/clocksource/clocksource0/current_clocksource \u4e3a kvm-clock \u3002
\n\u4ee5\u4e0a\u73b0\u8c61\u662f\u4ec0\u4e48\u539f\u56e0\u9020\u6210\u7684\uff1f\u662f\u5426\u8bf4\u660e\u865a\u62df\u673a\u6240\u5728\u4e3b\u673a\u7684\u65f6\u95f4\u4e0d\u51c6\uff0c\u6216\u8005\u4e3b\u673a\u4e0a\u7684\u65f6\u95f4\u540c\u6b65\u4e0e\u865a\u62df\u673a\u5b58\u5728\u51b2\u7a81\uff1f\u6709\u6ca1\u6709\u4ec0\u4e48\u529e\u6cd5\u53ef\u4ee5\u7f13\u89e3\u6216\u89e3\u51b3\u65f6\u95f4\u4e0a\u7684\u8df3\u53d8\uff1f
\n\u5982\u679c\u7981\u7528\u865a\u62df\u673a xxx \u4e0a\u7684 systemd-timesyncd \u670d\u52a1\uff0c\u65e5\u5fd7\u4e2d\u53d1\u751f\u65f6\u95f4\u53d8\u5316\u7684\u95f4\u9694\u53d8\u957f\uff08 1.5 \u5c0f\u65f6\u6216 2 \u5c0f\u65f6\uff09\uff0c\u4e14\u6bcf\u6b21\u53ea\u6709\u4e00\u884c\uff0c\u4e0d\u518d\u51fa\u73b0\u8df3\u53d8\u3002\u4f46\u662f\u8fd9\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u65f6\u95f4\u59cb\u7ec8\u6bd4\u5317\u4eac\u65f6\u95f4\u6162 6~7 \u79d2\uff08\u53ef\u80fd\u521a\u597d\u4e0e\u542f\u7528\u65f6\u95f4\u540c\u6b65\u65f6\u8df3\u53d8\u7684\u65f6\u95f4\u5dee\u76f8\u7b49\uff1f\uff09\u3002
\n", "date_published": "2025-05-31T12:36:00+00:00", "title": "\u865a\u62df\u673a\u65f6\u95f4\u8df3\u53d8\u95ee\u9898", "id": "t/1135642" }, { "author": { "url": "member/voydomnvd", "name": "voydomnvd", "avatar": "https://cdn.v2ex.com/gravatar/cdfed2fcdef89f1377b198de6cbbb3a6?s=73&d=retro" }, "url": "t/1094748", "title": "KVM \u4f7f\u7528\u65b9\u5f0f\u8bf7\u6559", "id": "t/1094748", "date_published": "2024-12-03T10:29:39+00:00", "content_html": "\u5c0a\u656c\u7684 V \u53cb\u4eec\uff0c\u6211\u6709 KVM \u4f7f\u7528\u95ee\u9898\u60f3\u8bf7\u6559\u4e0b\uff01qemu \u4e09 os \u4e0b\u90fd\u6709
\n\u53ef kvm+qemu \u53ea\u6709 linux \u4e0b\u6709\u6548
\u914d\u7f6e\nmacmini m2\npc typec(pd \u4f9b\u7535+\u89c6\u9891\u8f93\u51fa)
\n" }, { "author": { "url": "member/huangsijun17", "name": "huangsijun17", "avatar": "https://cdn.v2ex.com/gravatar/6117a8589ba419d86b5dee7fb439a62a?s=73&d=retro" }, "url": "t/974717", "title": "\u5404\u4f4d\u7684\u865a\u62df\u673a\u7684\u5c0f\u952e\u76d8\u662f\u600e\u4e48\u5904\u7406\u7684\uff1f", "id": "t/974717", "date_published": "2023-09-18T01:45:46+00:00", "content_html": "\u5927\u591a\u6570\u6253\u865a\u62df\u673a\u7684\u6570\u5b57\u952e\u76d8\u9ed8\u8ba4\u672a\u9501\u5b9a Num lock \u3002\u4e14\u53ea\u6709\u5c11\u90e8\u5206\u652f\u6301\u5f00\u673a\u81ea\u52a8\u9501\u5b9a\uff0c\u6216\u4e0e\u4e3b\u673a\u540c\u6b65\u3002\n\u5404\u4f4d\u6253\u865a\u62df\u673a\u6253\u5c0f\u952e\u76d8\u90fd\u662f\u600e\u4e48\u5904\u7406\u7684\uff1f
\n" }, { "author": { "url": "member/geekyouth", "name": "geekyouth", "avatar": "https://cdn.v2ex.com/gravatar/19f017c2f3c3709d253fd123e8583375?s=73&d=retro" }, "url": "t/908858", "title": "Linux \u751f\u6001\u4e0b\u7684\u865a\u62df\u673a\uff0c\u9009\u62e9 KVM \u8fd8\u662f esxi\uff1f", "id": "t/908858", "date_published": "2023-01-14T03:02:24+00:00", "content_html": "\u5e73\u65f6\u4e3b\u8981\u662f\u8fd0\u884c hadoop \u751f\u6001\u7684\u96c6\u7fa4\u73af\u5883\uff0c\u76ee\u524d\u6709\u53f0\u95f2\u7f6e\u7684\u53e4\u8463\u7b14\u8bb0\u672c\u7535\u8111\uff0ci7-4710mq CPU \uff0c20GB DDR3 RAM \uff0cSSD \u82e5\u5e72\u3002\u66fe\u7ecf\u5728\u5bbf\u4e3b\u673a\u8fd0\u884c\u8fc7 win10 \u3001deepin \u3001centos7 \u3001ESXI \u3001PVE \u3001KVM on centos7 \u3001virtualbox on centos7 \u3002\u6b64\u65f6\u6b63\u5728\u8fd0\u884c KVM \u8dd1 hadoop \u751f\u6001\u5f00\u6e90 apache \u8f6f\u4ef6\u3002\u3002\u3002kvm \u4e2d\u90e8\u7f72\u7684 windows10 \u73af\u5883\uff0c\u4e3a\u4ec0\u4e48\u7ed9\u7684\u5185\u5b58\u662f 4G \uff0c\u4f46\u662f\u5728 win10 \u4e2d\u7684\u4efb\u52a1\u7ba1\u7406\u5668\u90a3\u91cc\u770b\u5230\u7684\u5185\u5b58\u4fe1\u606f\u53ea\u6709 2g \uff1f
\n" }, { "author": { "url": "member/huangsijun17", "name": "huangsijun17", "avatar": "https://cdn.v2ex.com/gravatar/6117a8589ba419d86b5dee7fb439a62a?s=73&d=retro" }, "url": "t/895395", "title": "\u6709\u4ec0\u4e48\u597d\u7684\u865a\u62df\u673a\u5f55\u5c4f\u65b9\u6848\u5417\uff1f", "id": "t/895395", "date_published": "2022-11-15T06:28:57+00:00", "content_html": "Workstation \u7684\u65b0\u7248\u672c\u53d6\u6d88\u4e86\u89c6\u9891\u5f55\u5236\u529f\u80fd\uff0cHyper \u4e0d\u652f\u6301\u5f55\u5c4f\uff0c\u800c VirtualBox \u7684\u6027\u80fd\u53c8\u4e0d\u884c\u30021 \uff0c\u6bd4\u65b9\u8bf4 12700 \u4e00\u5171 20 \u4e2a\u6838\u5fc3\uff0c\u7ed9\u865a\u62df\u673a\u5206 8 \u4e2a\u6838\u5fc3\uff0c\u5b9e\u9645\u4e0a\u662f\u5728\u6bcf\u4e2a cpu \u65f6\u95f4\u7247\u52a8\u6001\u5206\u914d\u7684\uff0c\u5e76\u4e0d\u662f\u56fa\u5b9a 8 \u4e2a\u6838\u7ed9\u8fd9\u4e2a\u865a\u62df\u673a\u7528\u3002
\n2 \uff0c\u5982\u679c 1 \u6210\u7acb\uff0c\u90a3\u4e48\u865a\u62df\u673a\u7684\u6838\u5fc3\u6570\u5b9e\u9645\u4e0a\u662f\u5bbf\u4e3b\u673a\u4e0a\u5404\u865a\u62df\u673a\u4e4b\u95f4\u7684 cpu \u8c03\u5ea6\u7684\u6743\u91cd\uff0c\u5206 8 \u4e2a\u6838\u7684\u865a\u62df\u673a\u6bd4\u5206 4 \u4e2a\u6838\u7684\u865a\u62df\u673a\uff0c\u6ee1\u8f7d\u7684\u60c5\u51b5\u4e0b cpu \u65f6\u95f4\u591a\u4e00\u500d\u3002
\n3 \uff0c\u5982\u679c 1 \uff0c2 \u6210\u7acb\uff0c\u5b9e\u9645\u4e0a\u865a\u62df\u673a\u4e0a\u53ef\u4ee5\u5206\u914d\u65e0\u9650\u591a\uff08 256 \u4ee5\u4e0b\uff09\u7684\u6838\u5fc3\uff0c\u65e0\u8bba\u5bbf\u4e3b\u673a\u5b9e\u9645\u51e0\u4e2a\u6838\u5fc3\u3002
\n" }, { "author": { "url": "member/dunhanson", "name": "dunhanson", "avatar": "https://cdn.v2ex.com/avatar/d2b2/2ccb/172659_large.png?m=1755681128" }, "url": "t/843482", "date_modified": "2022-03-28T13:27:49+00:00", "content_html": "\n\u6211\u5728 debian \u5b98\u65b9\u4e0b\u7684 qcow2 \uff0c\u5bfc\u5165\u540e\u786c\u76d8\u624d 2G \uff0c\u8fd9\u600e\u4e48\u7528\uff1f
\n\u5982\u4f55\u8fdb\u884c\u5feb\u901f\u6269\u5bb9\uff1f\u8fd8\u662f qm \u5bfc\u5165\u7684\u65f6\u5019\u53ef\u4ee5\u8fdb\u884c\u8bbe\u7f6e\u78c1\u76d8\u5927\u5c0f
\n\u622a\u56fe\u4e0a\u9762\u6709\u4e2a\u8c03\u6574\u78c1\u76d8\u5927\u5c0f\u529f\u80fd\uff0c\u6211\u8bd5\u8fc7\u4e86\u5f00\u673a\u6709\u95ee\u9898\uff0c\u5e94\u8be5\u662f\u6302\u4e86
\n
\nqm create 100 --memory 4096 --cores 2 --net0 virtio,bridge=vmbr0\n\nqm importdisk 100 /data/qcow2/debian-11-generic-amd64-20220310-944.qcow2 extend\n\n\n", "date_published": "2022-03-28T13:25:36+00:00", "title": "PVE \u7528 qm \u547d\u4ee4\u5bfc\u5165\u7684\u865a\u62df\u673a\u5982\u4f55\u6269\u5bb9\uff1f", "id": "t/843482" }, { "author": { "url": "member/cwcc", "name": "cwcc", "avatar": "https://cdn.v2ex.com/avatar/47e1/761c/530166_large.png?m=1711442407" }, "url": "t/833105", "title": "\u6709\u6ca1\u6709 virt-manager \u548c kvm \u914d windows \u865a\u62df\u673a\u7684\u8be6\u7ec6\u6559\u7a0b\u5462", "id": "t/833105", "date_published": "2022-02-11T01:47:42+00:00", "content_html": "virt-manager \u5df2\u7ecf\u5f88\u7b80\u5316\u6d41\u7a0b\u4e86\uff0c\u4f46\u662f\u6709\u4e00\u4e9b\u5730\u65b9\u6bd5\u7adf\u662f\u53ef\u62c6\u88c5\u7684 Linux \uff0c\u5e94\u8be5\u8fd8\u80fd\u66f4\u8fdb\u4e00\u6b65\u4e86\u89e3\u5176\u914d\u7f6e\uff0c\u4f46\u662f\u76ee\u524d\u76f4\u63a5\u641c\u7d22\u65e0\u6cd5\u627e\u5230\u4e00\u4e9b\u76f8\u5173\u7684\u6559\u7a0b\uff0c\u770b\u82f1\u6587\u5927\u591a\u90fd\u662f\u8981\u4e48\u7eaf\u6a21\u5757\u6587\u6863\uff0c\u8981\u4e48\u5c31\u662f\u6b65\u9aa4\u5316\u7684\u6d41\u7a0b\u4e0d\u8bb2\u4e3a\u4ec0\u4e48\u3002
\n" }, { "author": { "url": "member/cookgo", "name": "cookgo", "avatar": "https://cdn.v2ex.com/avatar/bfc2/af4e/424647_large.png?m=1677747623" }, "url": "t/760571", "title": "\u8bf7\u95ee\u6709\u6ca1\u6709\u57fa\u4e8e Golang \u5f00\u53d1\u7684 Kvm \u96c6\u7fa4\u7ba1\u7406\u5e73\u53f0", "id": "t/760571", "date_published": "2021-03-11T02:16:26+00:00", "content_html": "\u5404\u4f4d\u8001\u53f8\u673a\uff0c\u6709\u6ca1\u6709\u57fa\u4e8e Golang \u5f00\u53d1\u7684 Kvm \u96c6\u7fa4\u7ba1\u7406\u5e73\u53f0:)
\n" }, { "author": { "url": "member/Livid", "name": "Livid", "avatar": "https://cdn.v2ex.com/avatar/c4ca/4238/1_large.png?m=1776858751" }, "url": "t/96590", "date_modified": "2014-01-13T17:08:23+00:00", "content_html": "http://virt-manager.org/