{"id":28789,"date":"2022-11-18T21:42:08","date_gmt":"2023-05-19T21:35:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bd%93centos-7-8%e5%9c%a8%e5%90%af%e5%8a%a8%e6%97%b6%e5%8f%91%e7%94%9f%e5%86%85%e6%a0%b8%e6%81%90%e6%85%8c%e6%97%b6%e7%9a%84%e8%a7%a3%e5%86%b3%e6%96%b9%e6%b3%95%e3%80%82-2\/"},"modified":"2025-08-12T10:06:35","modified_gmt":"2025-08-12T02:06:35","slug":"%e5%bd%93centos-7-8%e5%9c%a8%e5%90%af%e5%8a%a8%e6%97%b6%e5%8f%91%e7%94%9f%e5%86%85%e6%a0%b8%e6%81%90%e6%85%8c%e6%97%b6%e7%9a%84%e8%a7%a3%e5%86%b3%e6%96%b9%e6%b3%95%e3%80%82-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bd%93centos-7-8%e5%9c%a8%e5%90%af%e5%8a%a8%e6%97%b6%e5%8f%91%e7%94%9f%e5%86%85%e6%a0%b8%e6%81%90%e6%85%8c%e6%97%b6%e7%9a%84%e8%a7%a3%e5%86%b3%e6%96%b9%e6%b3%95%e3%80%82-2\/","title":{"rendered":"\u5f53CentOS 7.8\u5728\u542f\u52a8\u65f6\u53d1\u751f\u5185\u6838\u6050\u614c\u65f6\u7684\u89e3\u51b3\u65b9\u6cd5"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u7531\u4e8eCentOS 7.8\u8fdb\u884c\u4e86yum\u66f4\u65b0\u540e\u65e0\u6cd5\u542f\u52a8\uff0c\u8bf7\u8bb0\u5f55\u5176\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n<p>CentOS 7.8\u8fdb\u884cyum\u66f4\u65b0\u540e\u65e0\u6cd5\u542f\u52a8\uff0c\u6211\u8bb0\u5f55\u4e86\u89e3\u51b3\u529e\u6cd5\u3002<\/p>\n<p>\u5728\u540c\u65f6\u5b89\u88c5\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u5c3d\u7ba1\u4f7f\u7528ansible\u8fdb\u884c\u6279\u91cf\u66f4\u65b0\uff0c\u4f46\u5176\u4e2d\u4e00\u53f0\u7535\u8111\u5728\u66f4\u65b0\u540e\u53d1\u751f\u4e86\u5185\u6838\u5d29\u6e83\u800c\u65e0\u6cd5\u542f\u52a8\u3002\u6839\u636e\u6211\u968f\u610f\u641c\u7d22\u7684\u7ed3\u679c\uff0c\u5927\u591a\u6570\u6587\u7ae0\u90fd\u63d0\u5230\u901a\u8fc7\u4fee\u6539grub.conf\u6587\u4ef6\u6765\u89e3\u51b3\u95ee\u9898\uff0c\u6ca1\u6709\u770b\u5230\u5173\u4e8egrub2\u7684\u6587\u7ae0\uff0c\u6240\u4ee5\u6211\u53d1\u5e03\u4e86\u8fd9\u7bc7\u5e16\u5b50\u3002<\/p>\n<h1>\u7ec4\u6210<\/h1>\n<div>\n<div class=\"post-table\">\u74b0\u5883<br \/>\nHWvmware workstation player 15OScentos7.8\u66f4\u65b0\u524d\u30ab\u30fc\u30cd\u30ebCentOS Linux (3.10.0-1127.el7.x86_64) 7 (Core)\u66f4\u65b0\u5f8c\u30ab\u30fc\u30cd\u30ebCentOS Linux (3.10.0-1127.18.2.el7.x86_64) 7 (Core)<\/div>\n<\/div>\n<h1>\u4e34\u65f6\u5904\u7406<\/h1>\n<p>\u6839\u636e\u6211\u53c2\u8003\u7684\u7f51\u7ad9\uff0c\u636e\u8bf4\u53ea\u9700\u4fee\u6539grub\u914d\u7f6e\u4ee5\u66f4\u6539\u542f\u52a8\u5185\u6838\uff0c\u5373\u53ef\u5b9e\u73b0\u4e00\u6b21\u6027\u542f\u52a8\u3002<\/p>\n<p>\u53c2\u8003\uff1a<br \/>\n&#8211; CentOS 6.3 &#8211; \u5185\u6838\u5d29\u6e83<\/p>\n<p>\u8bf4\u767d\u4e86\uff0c\u53ea\u9700\u5c06\u542f\u52a8\u65f6\u52a0\u8f7d\u7684\u5185\u6838\u7248\u672c\u66f4\u6539\u4e3a\u4e4b\u524d\u7684\u90a3\u4e2a\u7248\u672c\uff0c\u5c31\u53ef\u4ee5\u4e00\u6b21\u6027\u542f\u52a8\u3002<br \/>\n\u8fdb\u884c\u66f4\u6539\u4ee5\u9009\u62e9\u9ed8\u8ba4\u542f\u52a8\u7684\u5185\u6838\u7248\u672c\u3002<br \/>\n\u53c2\u8003\u6587\u7ae0\u662f\u5173\u4e8egrub\u7684\uff0c\u800c\u8fd9\u6b21\u4f7f\u7528\u7684\u662fgrub2\uff0c\u6240\u4ee5\u6211\u53c2\u8003\u4e86Redhat\u7684\u9875\u9762\u5e76\u6267\u884c\u4e86\u4ee5\u4e0b\u547d\u4ee4\uff0c\u7ed3\u679c\u53ef\u4ee5\u6210\u529f\u542f\u52a8\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@CENTOS7NODE12 ~]# awk -F\\' '$1==\"menuentry \" {print $2}' \/etc\/grub2.cfg\r\nCentOS Linux (3.10.0-1127.18.2.el7.x86_64) 7 (Core)\r\nCentOS Linux (3.10.0-1127.el7.x86_64) 7 (Core)\r\nCentOS Linux (0-rescue-fa877117174942a9ad676067f5fe02d2) 7 (Core)\r\n[root@CENTOS7NODE12 ~]# \r\n[root@CENTOS7NODE12 ~]# grub2-set-default 1\r\n\r\n<\/code><\/pre>\n<p>\u53c2\u8003\uff1a<br \/>\n&#8211; 26.5. \u81ea\u5b9a\u4e49GRUB 2\u914d\u7f6e\u6587\u4ef6<\/p>\n<h1>\u6b63\u9762\u61c9\u5c0d<\/h1>\n<p>\u5f00\u59cb\u53ef\u4ee5\u542f\u52a8\uff0c\u4f46\u662f\u4e0d\u559c\u6b22\u548c\u5176\u4ed6\u673a\u5668\u7684\u5185\u6838\u7248\u672c\u4e0d\u540c\uff0c\u6240\u4ee5\u51b3\u5b9a\u91cd\u65b0\u5b89\u88c5\u5185\u6838\u3002<br \/>\n\u5185\u6838\u4fe1\u606f\u5982\u4e0b\uff1a<br \/>\nnode12\u4ecd\u5728\u4f7f\u7528\u65e7\u7684\u5185\u6838\u542f\u52a8\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@ANSIBLE01 ansible_work]# ansible -i \/etc\/ansible\/hosts centos7 -m command -a \"uname -r\"\r\nnode1 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\nnode3 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\nnode2 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\nnode11 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\nnode12 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.el7.x86_64\r\n[root@ANSIBLE01 ansible_work]# \r\n<\/code><\/pre>\n<p>\u786e\u8ba4\u4e8b\u524d\u7684\u72b6\u6001\u540e\uff0c\u91cd\u65b0\u5b89\u88c5\u5185\u6838\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@CENTOS7NODE12 ~]# yum reinstall kernel\r\n[root@CENTOS7NODE12 ~]# reboot\r\n<\/code><\/pre>\n<p>\u91cd\u65b0\u5b89\u88c5\u540e\uff0c\u6210\u529f\u542f\u52a8\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code>[root@ANSIBLE01 ansible_work]# ansible -i \/etc\/ansible\/hosts centos7 -m command -a \"uname -r\"\r\nnode1 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\nnode2 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\nnode3 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\nnode11 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\nnode12 | CHANGED | rc=0 &gt;&gt;\r\n3.10.0-1127.18.2.el7.x86_64\r\n[root@ANSIBLE01 ansible_work]# \r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u7531\u4e8eCentOS 7.8\u8fdb\u884c\u4e86yum\u66f4\u65b0\u540e\u65e0\u6cd5\u542f\u52a8\uff0c\u8bf7\u8bb0\u5f55\u5176\u89e3\u51b3\u65b9\u6cd5\u3002 CentOS 7.8\u8fdb\u884cyum\u66f4 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-28789","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5f53CentOS 7.8\u5728\u542f\u52a8\u65f6\u53d1\u751f\u5185\u6838\u6050\u614c\u65f6\u7684\u89e3\u51b3\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5f53CentOS 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