{"id":177,"date":"2026-01-23T02:34:47","date_gmt":"2026-01-23T02:34:47","guid":{"rendered":"https:\/\/blog.gpst.net.cn:4008\/?p=177"},"modified":"2026-01-28T06:24:15","modified_gmt":"2026-01-28T06:24:15","slug":"centos7-%e4%bf%ae%e5%a4%8d-grub2-pc-%e5%8c%85%e6%8d%9f%e5%9d%8f%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/opshub.com.cn\/?p=177","title":{"rendered":"CentOS7 \u4fee\u590d grub2-pc \u5305\u635f\u574f\u7684\u95ee\u9898"},"content":{"rendered":"\n<p>grub2-pc \u662f CentOS 7 \u7684\u542f\u52a8\u5f15\u5bfc\u5305\uff0c\u635f\u574f\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\uff0c\u4ee5\u4e0b\u662f\u5b8c\u6574\u4fee\u590d\u6d41\u7a0b<\/p>\n\n\n\n<p>1\u3001\u91cd\u88c5 grub2-pc \u5305\uff08\u6838\u5fc3\u4fee\u590d\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>yum reinstall grub2-pc -y<\/code><\/pre>\n\n\n\n<p>2\u3001\u4fee\u590d grub \u914d\u7f6e\u6587\u4ef6\uff08\u82e5 <code>\/boot\/grub2\/grub.cfg<\/code> \u4e22\u5931\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>grub2-mkconfig &gt; \/boot\/grub2\/grub.cfg<\/code><\/pre>\n\n\n\n<p>3\u3001\u9a8c\u8bc1 grub \u914d\u7f6e\uff08\u68c0\u67e5\u662f\u5426\u4fee\u590d\u6210\u529f\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>grub2-editenv list<\/code><\/pre>\n\n\n\n<p>\u6b63\u5e38\u8f93\u51fa\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>saved_entry=CentOS Linux (3.10.0-957.el7.x86_64) 7 (Core)<\/code><\/pre>\n\n\n\n<p><strong>\u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8\u65f6\u7684\u4fee\u590d\u65b9\u6cd5<\/strong>\uff1a\u82e5 grub \u635f\u574f\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u8fdb\u5165\uff0c\u9700\u901a\u8fc7 CentOS \u5b89\u88c5\u4ecb\u8d28\u8fdb\u5165\u300c\u6551\u63f4\u6a21\u5f0f\u300d\uff0c\u6302\u8f7d <code>\/boot<\/code> \u5206\u533a\u540e\u6267\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mount \/dev\/sda1 \/boot  # \u5047\u8bbe\/boot\u5728sda1\u5206\u533a\ngrub2-install \/dev\/sda  # \u91cd\u65b0\u5b89\u88c5grub\u5230\u78c1\u76d8MBR\ngrub2-mkconfig &gt; \/boot\/grub2\/grub.cfg<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>grub2-pc \u662f CentOS 7 \u7684\u542f\u52a8\u5f15\u5bfc\u5305\uff0c\u635f\u574f\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\uff0c\u4ee5\u4e0b\u662f\u5b8c\u6574\u4fee\u590d\u6d41\u7a0b 1\u3001\u91cd\u88c5 grub2-pc \u5305\uff08\u6838\u5fc3\u4fee\u590d\uff09 2\u3001\u4fee\u590d grub \u914d\u7f6e\u6587\u4ef6\uff08\u82e5 \/boot\/grub2\/grub.cfg \u4e22\u5931\uff09 3\u3001\u9a8c\u8bc1 grub \u914d\u7f6e\uff08\u68c0\u67e5\u662f\u5426\u4fee\u590d\u6210\u529f\uff09 \u6b63\u5e38\u8f93\u51fa\u793a\u4f8b\uff1a \u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8\u65f6\u7684\u4fee\u590d\u65b9\u6cd5\uff1a\u82e5 grub \u635f\u574f\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u8fdb\u5165\uff0c\u9700\u901a\u8fc7 CentOS \u5b89\u88c5\u4ecb\u8d28\u8fdb\u5165\u300c\u6551\u63f4\u6a21\u5f0f\u300d\uff0c\u6302\u8f7d \/boot \u5206\u533a\u540e\u6267\u884c\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-177","post","type-post","status-publish","format-standard","hentry","category-9"],"_links":{"self":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=177"}],"version-history":[{"count":2,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/177\/revisions"}],"predecessor-version":[{"id":661,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/177\/revisions\/661"}],"wp:attachment":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}