{"id":51434,"date":"2024-12-03T17:23:11","date_gmt":"2024-12-03T09:23:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51434\/"},"modified":"2024-12-03T17:23:11","modified_gmt":"2024-12-03T09:23:11","slug":"linux-mbr%ef%bc%9a%e7%a1%ae%e4%bf%9d%e7%b3%bb%e7%bb%9f%e6%ad%a3%e5%b8%b8%e5%bc%95%e5%af%bc%e7%9a%84%e5%85%b3%e9%94%ae%e4%bd%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51434\/","title":{"rendered":"Linux MBR\uff1a\u786e\u4fdd\u7cfb\u7edf\u6b63\u5e38\u5f15\u5bfc\u7684\u5173\u952e\u4f4d\u7f6e"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Linux MBR\uff1a\u786e\u4fdd\u7cfb\u7edf\u6b63\u5e38\u5f15\u5bfc\u7684\u5173\u952e\u4f4d\u7f6e<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p>Linux MBR\u662f\u6307\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u4e3b\u5f15\u5bfc\u8bb0\u5f55\uff08Master Boot Record\uff09\uff0c\u662f\u4fdd\u8bc1\u7cfb\u7edf\u6b63\u5e38\u542f\u52a8\u7684\u5173\u952e\u6240\u5728\u3002MBR\u901a\u5e38\u4f4d\u4e8e\u786c\u76d8\u7684\u7b2c\u4e00\u4e2a\u6247\u533a\uff08\u6247\u533a\u53f7\u4e3a0\uff09\uff0c\u5b83\u5305\u542b\u4e86\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u548c\u5206\u533a\u8868\u7b49\u5173\u952e\u4fe1\u606f\u3002\u5982\u679cMBR\u53d7\u635f\u6216\u88ab\u7834\u574f\uff0c\u7cfb\u7edf\u5c06\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\u3002\u56e0\u6b64\uff0c\u4e86\u89e3MBR\u7684\u5de5\u4f5c\u539f\u7406\u5e76\u5b66\u4f1a\u4fee\u590d\u5b83\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e0b\uff0c\u4fee\u590dMBR\u901a\u5e38\u4f1a\u4f7f\u7528\u4e00\u4e9b\u5de5\u5177\u548c\u547d\u4ee4\uff0c\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\u548c\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u4f7f\u7528fdisk\u5de5\u5177\u67e5\u770b\u548c\u7f16\u8f91MBR<\/p>\n<p>fdisk\u662f\u4e00\u4e2aLinux\u4e0b\u5e38\u7528\u7684\u78c1\u76d8\u5206\u533a\u5de5\u5177\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u67e5\u770b\u548c\u7f16\u8f91MBR\u3002\u901a\u8fc7fdisk\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u7684\u5206\u533a\u8868\u548cMBR\u4fe1\u606f\uff0c\u4ee5\u53ca\u4fee\u6539\u5206\u533a\u4fe1\u606f\u3002<\/p>\n<p>\u6253\u5f00\u7ec8\u7aef\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u786c\u76d8\u7684\u5206\u533a\u8868\u548cMBR\u4fe1\u606f\uff1a<\/p>\n<pre>sudo fdisk -l \/dev\/sda<\/pre>\n<p>\u5176\u4e2d\uff0c\/dev\/sda\u8868\u793a\u8981\u67e5\u770b\u7684\u786c\u76d8\u8bbe\u5907\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u60c5\u51b5\u66ff\u6362\u4e3a\u5176\u4ed6\u8bbe\u5907\u8def\u5f84\u3002<\/p>\n<p>\u5982\u679c\u9700\u8981\u7f16\u8f91MBR\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528fdisk\u547d\u4ee4\u6765\u4fee\u6539\uff0c\u4f46\u8bf7\u6ce8\u610f\u64cd\u4f5c\u65f6\u8981\u8c28\u614e\uff0c\u4ee5\u514d\u9020\u6210\u6570\u636e\u4e22\u5931\u3002<\/p>\n<p>\u4e8c\u3001\u4f7f\u7528dd\u547d\u4ee4\u5907\u4efd\u548c\u6062\u590dMBR<\/p>\n<p>dd\u547d\u4ee4\u662f\u4e00\u4e2aLinux\u4e0b\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u548c\u8f6c\u6362\u7684\u5de5\u5177\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u5907\u4efd\u548c\u6062\u590dMBR\u3002\u901a\u8fc7dd\u547d\u4ee4\u53ef\u4ee5\u5c06MBR\u6570\u636e\u590d\u5236\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u65f6\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<p>\u5907\u4efdMBR\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre>sudo dd if=\/dev\/sda of=mbr_backup.bin bs=512 count=1<\/pre>\n<p>\u5176\u4e2d\uff0cif\u8868\u793a\u8f93\u5165\u6587\u4ef6\uff08\u5373MBR\u6240\u5728\u7684\u786c\u76d8\u8bbe\u5907\uff09\uff0cof\u8868\u793a\u8f93\u51fa\u6587\u4ef6\uff08\u5907\u4efd\u7684\u6587\u4ef6\u540d\uff09\uff0cbs\u8868\u793a\u6bcf\u6b21\u8bfb\u5199\u7684\u5b57\u8282\u6570\uff0ccount\u8868\u793a\u8981\u8bfb\u53d6\u7684\u5757\u6570\u3002<\/p>\n<p>\u6062\u590dMBR\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre>sudo dd if=mbr_backup.bin of=\/dev\/sda bs=512 count=1<\/pre>\n<p>\u8fd9\u6837\u5c31\u53ef\u4ee5\u5c06\u5907\u4efd\u7684MBR\u6570\u636e\u6062\u590d\u5230\u786c\u76d8\u7684MBR\u4f4d\u7f6e\u3002<\/p>\n<p>\u4e09\u3001\u4f7f\u7528grub\u4fee\u590dMBR<\/p>\n<p>GRUB\uff08GRand Unified Bootloader\uff09\u662fLinux\u7cfb\u7edf\u4e2d\u5e38\u7528\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u7528\u6765\u4fee\u590dMBR\u3002\u5982\u679cMBR\u53d7\u635f\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\uff0c\u53ef\u4ee5\u901a\u8fc7GRUB\u6765\u4fee\u590d\u3002<\/p>\n<p>\u9996\u5148\uff0c\u9700\u8981\u4f7f\u7528Live CD\u6216Live USB\u542f\u52a8Linux\u7cfb\u7edf\uff0c\u7136\u540e\u6253\u5f00\u7ec8\u7aef\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>sudo grub<\/pre>\n<p>\u8fdb\u5165GRUB\u547d\u4ee4\u884c\u540e\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u4fee\u590dMBR\uff1a<\/p>\n<pre>grub&gt; root (hd0,0)\ngrub&gt; setup (hd0)\ngrub&gt; quit<\/pre>\n<p>\u5176\u4e2d\uff0c(hd0,0)\u8868\u793a\u7b2c\u4e00\u4e2a\u786c\u76d8\u7684\u7b2c\u4e00\u4e2a\u5206\u533a\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u4fee\u6539\u3002\u4e0a\u8ff0\u547d\u4ee4\u5c06\u91cd\u65b0\u5b89\u88c5GRUB\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u5230MBR\u4e2d\uff0c\u4fee\u590d\u542f\u52a8\u95ee\u9898\u3002<\/p>\n<p>\u603b\u7ed3\uff1aLinux MBR\u662f\u7cfb\u7edf\u6b63\u5e38\u542f\u52a8\u7684\u5173\u952e\u6240\u5728\uff0c\u4e86\u89e3MBR\u7684\u91cd\u8981\u6027\u5e76\u5b66\u4f1a\u4fee\u590d\u5b83\u662f\u7ef4\u62a4\u7cfb\u7edf\u7a33\u5b9a\u6027\u7684\u5173\u952e\u6b65\u9aa4\u3002\u901a\u8fc7\u5de5\u5177\u548c\u547d\u4ee4\u5bf9MBR\u8fdb\u884c\u5907\u4efd\u548c\u6062\u590d\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u7cfb\u7edf\u7684\u542f\u52a8\u6b63\u5e38\u6027\uff0c\u540c\u65f6\u4e5f\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8eLinux,\u542f\u52a8,mbr\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aLinux MBR\uff1a\u786e\u4fdd\u7cfb\u7edf\u6b63\u5e38\u5f15\u5bfc\u7684\u5173\u952e\u4f4d\u7f6e\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u4f7f\u7528 golang \u4e2d http.NewRequest \u63d0\u4ea4\u53d8\u91cf\u5230\u8bf7\u6c42\u4f53\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Linux MBR\uff1a\u786e\u4fdd\u7cfb\u7edf\u6b63\u5e38\u5f15\u5bfc\u7684\u5173\u952e\u4f4d\u7f6e \u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u6587\u7ae0\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~ Linux MBR\u662f\u6307\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u4e3b\u5f15\u5bfc\u8bb0\u5f55\uff08Master Boot Record\uff09\uff0c\u662f\u4fdd\u8bc1\u7cfb\u7edf\u6b63\u5e38\u542f\u52a8\u7684\u5173\u952e\u6240\u5728\u3002MBR\u901a\u5e38\u4f4d\u4e8e\u786c\u76d8\u7684\u7b2c\u4e00\u4e2a\u6247\u533a\uff08\u6247\u533a\u53f7\u4e3a0\uff09\uff0c\u5b83\u5305\u542b\u4e86\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u548c\u5206\u533a\u8868\u7b49\u5173\u952e\u4fe1\u606f\u3002\u5982\u679cMBR\u53d7\u635f\u6216\u88ab\u7834\u574f\uff0c\u7cfb\u7edf\u5c06\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\u3002\u56e0\u6b64\uff0c\u4e86\u89e3MBR\u7684\u5de5\u4f5c\u539f\u7406\u5e76\u5b66\u4f1a\u4fee\u590d\u5b83\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002 \u5728Linux\u7cfb\u7edf\u4e0b\uff0c\u4fee\u590dMBR\u901a\u5e38\u4f1a\u4f7f\u7528\u4e00\u4e9b\u5de5\u5177\u548c\u547d\u4ee4\uff0c\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\u548c\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u4f7f\u7528fdisk\u5de5\u5177\u67e5\u770b\u548c\u7f16\u8f91MBR fdisk\u662f\u4e00\u4e2aLinux\u4e0b\u5e38\u7528\u7684\u78c1\u76d8\u5206\u533a\u5de5\u5177\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u67e5\u770b\u548c\u7f16\u8f91MBR\u3002\u901a\u8fc7fdisk\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u7684\u5206\u533a\u8868\u548cMBR\u4fe1\u606f\uff0c\u4ee5\u53ca\u4fee\u6539\u5206\u533a\u4fe1\u606f\u3002 \u6253\u5f00\u7ec8\u7aef\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u67e5\u770b\u786c\u76d8\u7684\u5206\u533a\u8868\u548cMBR\u4fe1\u606f\uff1a sudo fdisk -l \/dev\/sda \u5176\u4e2d\uff0c\/dev\/sda\u8868\u793a\u8981\u67e5\u770b\u7684\u786c\u76d8\u8bbe\u5907\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u60c5\u51b5\u66ff\u6362\u4e3a\u5176\u4ed6\u8bbe\u5907\u8def\u5f84\u3002 \u5982\u679c\u9700\u8981\u7f16\u8f91MBR\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528fdisk\u547d\u4ee4\u6765\u4fee\u6539\uff0c\u4f46\u8bf7\u6ce8\u610f\u64cd\u4f5c\u65f6\u8981\u8c28\u614e\uff0c\u4ee5\u514d\u9020\u6210\u6570\u636e\u4e22\u5931\u3002 \u4e8c\u3001\u4f7f\u7528dd\u547d\u4ee4\u5907\u4efd\u548c\u6062\u590dMBR dd\u547d\u4ee4\u662f\u4e00\u4e2aLinux\u4e0b\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u548c\u8f6c\u6362\u7684\u5de5\u5177\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u5907\u4efd\u548c\u6062\u590dMBR\u3002\u901a\u8fc7dd\u547d\u4ee4\u53ef\u4ee5\u5c06MBR\u6570\u636e\u590d\u5236\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u65f6\u8fdb\u884c\u6062\u590d\u3002 \u5907\u4efdMBR\u7684\u547d\u4ee4\u5982\u4e0b\uff1a sudo dd if=\/dev\/sda of=mbr_backup.bin bs=512 count=1 \u5176\u4e2d\uff0cif\u8868\u793a\u8f93\u5165\u6587\u4ef6\uff08\u5373MBR\u6240\u5728\u7684\u786c\u76d8\u8bbe\u5907\uff09\uff0cof\u8868\u793a\u8f93\u51fa\u6587\u4ef6\uff08\u5907\u4efd\u7684\u6587\u4ef6\u540d\uff09\uff0cbs\u8868\u793a\u6bcf\u6b21\u8bfb\u5199\u7684\u5b57\u8282\u6570\uff0ccount\u8868\u793a\u8981\u8bfb\u53d6\u7684\u5757\u6570\u3002 \u6062\u590dMBR\u7684\u547d\u4ee4\u5982\u4e0b\uff1a sudo dd if=mbr_backup.bin of=\/dev\/sda bs=512 count=1 \u8fd9\u6837\u5c31\u53ef\u4ee5\u5c06\u5907\u4efd\u7684MBR\u6570\u636e\u6062\u590d\u5230\u786c\u76d8\u7684MBR\u4f4d\u7f6e\u3002 \u4e09\u3001\u4f7f\u7528grub\u4fee\u590dMBR GRUB\uff08GRand Unified Bootloader\uff09\u662fLinux\u7cfb\u7edf\u4e2d\u5e38\u7528\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u7528\u6765\u4fee\u590dMBR\u3002\u5982\u679cMBR\u53d7\u635f\u5bfc\u81f4\u7cfb\u7edf\u65e0\u6cd5\u6b63\u5e38\u542f\u52a8\uff0c\u53ef\u4ee5\u901a\u8fc7GRUB\u6765\u4fee\u590d\u3002 \u9996\u5148\uff0c\u9700\u8981\u4f7f\u7528Live CD\u6216Live USB\u542f\u52a8Linux\u7cfb\u7edf\uff0c\u7136\u540e\u6253\u5f00\u7ec8\u7aef\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a sudo grub \u8fdb\u5165GRUB\u547d\u4ee4\u884c\u540e\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u4fee\u590dMBR\uff1a grub&gt; root (hd0,0) grub&gt; setup (hd0) grub&gt; quit \u5176\u4e2d\uff0c(hd0,0)\u8868\u793a\u7b2c\u4e00\u4e2a\u786c\u76d8\u7684\u7b2c\u4e00\u4e2a\u5206\u533a\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u4fee\u6539\u3002\u4e0a\u8ff0\u547d\u4ee4\u5c06\u91cd\u65b0\u5b89\u88c5GRUB\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u5230MBR\u4e2d\uff0c\u4fee\u590d\u542f\u52a8\u95ee\u9898\u3002 \u603b\u7ed3\uff1aLinux [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51434","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51434"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51434\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}