{"id":43162,"date":"2024-10-04T19:26:57","date_gmt":"2024-10-04T11:26:57","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43162\/"},"modified":"2024-10-04T19:26:57","modified_gmt":"2024-10-04T11:26:57","slug":"centos-7-%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-mbr-%e5%bc%95%e5%b0%8e%e6%89%87%e5%8d%80%e8%88%87-grub","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43162\/","title":{"rendered":"CentOS 7 \u5982\u4f55\u4fee\u5fa9 MBR \u5f15\u5c0e\u6247\u5340\u8207 GRUB"},"content":{"rendered":"

CentOS 7 \u5982\u4f55\u4fee\u5fa9 MBR \u5f15\u5c0e\u6247\u5340\u8207 GRUB<\/h1>\n

\u5728\u4f7f\u7528 CentOS 7 \u7684\u904e\u7a0b\u4e2d\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u56e0\u70ba\u5404\u7a2e\u539f\u56e0\u5c0e\u81f4\u7121\u6cd5\u6b63\u5e38\u555f\u52d5\uff0c\u9019\u901a\u5e38\u8207 MBR\uff08\u4e3b\u5f15\u5c0e\u8a18\u9304\uff09\u6216 GRUB\uff08GRand Unified Bootloader\uff09\u6709\u95dc\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4fee\u5fa9 MBR \u5f15\u5c0e\u6247\u5340\u8207 GRUB\uff0c\u4ee5\u4fbf\u6062\u5fa9\u7cfb\u7d71\u7684\u6b63\u5e38\u555f\u52d5\u3002<\/p>\n

\u4ec0\u9ebc\u662f MBR \u548c GRUB\uff1f<\/h2>\n

MBR \u662f\u4e00\u7a2e\u5b58\u5132\u5728\u786c\u789f\u6700\u524d\u9762\u7684\u5f15\u5c0e\u8a18\u9304\uff0c\u8ca0\u8cac\u544a\u8a34\u8a08\u7b97\u6a5f\u5982\u4f55\u555f\u52d5\u64cd\u4f5c\u7cfb\u7d71\u3002GRUB \u5247\u662f\u4e00\u500b\u5f15\u5c0e\u52a0\u8f09\u5668\uff0c\u80fd\u5920\u52a0\u8f09\u591a\u500b\u64cd\u4f5c\u7cfb\u7d71\uff0c\u4e26\u63d0\u4f9b\u7528\u6236\u9078\u64c7\u7684\u754c\u9762\u3002\u7576 MBR \u6216 GRUB \u51fa\u73fe\u554f\u984c\u6642\uff0c\u7cfb\u7d71\u5c07\u7121\u6cd5\u555f\u52d5\uff0c\u9019\u6642\u9700\u8981\u9032\u884c\u4fee\u5fa9\u3002<\/p>\n

\u4fee\u5fa9 MBR \u7684\u6b65\u9a5f<\/h2>\n

\u4fee\u5fa9 MBR \u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u9996\u5148\uff0c\u60a8\u9700\u8981\u4e00\u500b CentOS 7 \u7684\u5b89\u88dd\u5a92\u4ecb\uff08\u5982 USB \u6216 DVD\uff09\u3002<\/li>\n
  2. \u5c07\u5b89\u88dd\u5a92\u4ecb\u63d2\u5165\u8a08\u7b97\u6a5f\uff0c\u4e26\u91cd\u555f\u7cfb\u7d71\u3002<\/li>\n
  3. \u5728\u555f\u52d5\u6642\uff0c\u9078\u64c7\u5f9e\u5b89\u88dd\u5a92\u4ecb\u555f\u52d5\u3002<\/li>\n
  4. \u9032\u5165\u5b89\u88dd\u754c\u9762\u5f8c\uff0c\u9078\u64c7\u300c\u6551\u63f4\u6a21\u5f0f\u300d\uff08Rescue a CentOS system\uff09\u3002<\/li>\n
  5. \u7cfb\u7d71\u6703\u63d0\u793a\u60a8\u9078\u64c7\u4e00\u500b\u5b89\u88dd\u7684 Linux \u7cfb\u7d71\uff0c\u9078\u64c7\u5f8c\u6309\u4e0b\u300c\u4e0b\u4e00\u6b65\u300d\u3002<\/li>\n
  6. \u63a5\u4e0b\u4f86\uff0c\u7cfb\u7d71\u6703\u9032\u5165\u4e00\u500b\u547d\u4ee4\u884c\u754c\u9762\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u4fee\u5fa9 MBR\uff1a<\/li>\n<\/ol>\n
    dd if=\/dev\/zero of=\/dev\/sdX bs=512 count=1<\/code><\/pre>\n
    \u8acb\u5c07 \/dev\/sdX<\/code> \u66ff\u63db\u70ba\u60a8\u7684\u786c\u789f\u8a2d\u5099\u540d\u7a31\uff08\u4f8b\u5982 \/dev\/sda<\/code>\uff09\u3002\u9019\u689d\u547d\u4ee4\u6703\u5c07 MBR \u6e05\u7a7a\uff0c\u63a5\u4e0b\u4f86\u9700\u8981\u91cd\u65b0\u5b89\u88dd GRUB\u3002<\/p>\n
    \u4fee\u5fa9 GRUB \u7684\u6b65\u9a5f<\/h2>\n
    \u5728\u4fee\u5fa9 MBR \u5f8c\uff0c\u60a8\u9700\u8981\u91cd\u65b0\u5b89\u88dd GRUB\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n
      \n
    1. \u5728\u547d\u4ee4\u884c\u754c\u9762\u4e2d\uff0c\u8f38\u5165\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u639b\u8f09\u60a8\u7684\u6839\u6587\u4ef6\u7cfb\u7d71\uff1a<\/li>\n<\/ol>\n
      mount \/dev\/sdXn \/mnt<\/code><\/pre>\n
      \u8acb\u5c07 \/dev\/sdXn<\/code> \u66ff\u63db\u70ba\u60a8\u7684\u6839\u5206\u5340\uff08\u4f8b\u5982 \/dev\/sda1<\/code>\uff09\u3002<\/p>\n
        \n
      1. \u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd GRUB\uff1a<\/li>\n<\/ol>\n
        grub2-install --root-directory=\/mnt \/dev\/sdX<\/code><\/pre>\n
        \u540c\u6a23\uff0c\u8acb\u5c07 \/dev\/sdX<\/code> \u66ff\u63db\u70ba\u60a8\u7684\u786c\u789f\u8a2d\u5099\u540d\u7a31\u3002<\/p>\n
          \n
        1. \u6700\u5f8c\uff0c\u66f4\u65b0 GRUB \u914d\u7f6e\u6587\u4ef6\uff1a<\/li>\n<\/ol>\n
          chroot \/mnt<\/code><\/pre>\n
          grub2-mkconfig -o \/boot\/grub2\/grub.cfg<\/code><\/pre>\n
          \u9019\u6a23\u5c31\u5b8c\u6210\u4e86 GRUB \u7684\u4fee\u5fa9\u3002\u60a8\u53ef\u4ee5\u8f38\u5165 exit<\/code> \u9000\u51fa chroot \u74b0\u5883\uff0c\u7136\u5f8c\u91cd\u555f\u7cfb\u7d71\u3002<\/p>\n
          \u7e3d\u7d50<\/h2>\n
          \u4fee\u5fa9 CentOS 7 \u7684 MBR \u5f15\u5c0e\u6247\u5340\u8207 GRUB \u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\u5373\u53ef\u6062\u5fa9\u7cfb\u7d71\u7684\u6b63\u5e38\u555f\u52d5\u3002\u7121\u8ad6\u662f\u56e0\u70ba\u7cfb\u7d71\u5d29\u6f70\u9084\u662f\u5176\u4ed6\u539f\u56e0\uff0c\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9\u9019\u4e9b\u554f\u984c\u5c0d\u65bc\u7cfb\u7d71\u7ba1\u7406\u54e1\u4f86\u8aaa\u90fd\u662f\u4e00\u9805\u91cd\u8981\u6280\u80fd\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u7a69\u5b9a\u7684\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u4f86\u63d0\u5347\u60a8\u7684\u696d\u52d9\u904b\u884c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u5b78\u7fd2\u5982\u4f55\u5728 CentOS 7 \u4e2d\u4fee\u5fa9 MBR \u5f15\u5c0e\u6247\u5340\u8207 GRUB\uff0c\u78ba\u4fdd\u7cfb\u7d71\u9806\u5229\u555f\u52d5\uff0c\u6062\u5fa9\u6b63\u5e38\u904b\u884c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-43162","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=43162"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43162\/revisions"}],"predecessor-version":[{"id":43163,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43162\/revisions\/43163"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}