{"id":17513,"date":"2024-11-18T09:33:05","date_gmt":"2024-11-18T01:33:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17513\/"},"modified":"2024-11-18T09:33:05","modified_gmt":"2024-11-18T01:33:05","slug":"linux-mbr%ef%bc%9a%e7%b3%bb%e7%bb%9f%e5%90%af%e5%8a%a8%e8%bf%87%e7%a8%8b%e4%b8%ad%e7%9a%84%e9%87%8d%e8%a6%81%e4%b8%80%e7%8e%af","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17513\/","title":{"rendered":"Linux MBR\uff1a\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u4e00\u73af"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/170893765228807.jpg\" class=\"aligncenter\" title=\"Linux MBR\uff1a\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u4e00\u73af\u63d2\u56fe\" alt=\"Linux MBR\uff1a\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u4e00\u73af\u63d2\u56fe\" \/><\/p>\n<p>\u5f53\u6211\u4eec\u542f\u52a8\u7535\u8111\u65f6\uff0c\u64cd\u4f5c\u7cfb\u7edf\u7684\u542f\u52a8\u8fc7\u7a0b\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u590d\u6742\u800c\u7cbe\u5bc6\u7684\u6d41\u7a0b\u3002\u5176\u4e2d\uff0cMBR\uff08Master Boot Record\uff0c\u4e3b\u5f15\u5bfc\u8bb0\u5f55\uff09\u662f\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u4e00\u73af\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0cMBR\u8d77\u7740\u627f\u4e0a\u542f\u4e0b\u7684\u4f5c\u7528\uff0c\u5b83\u8d1f\u8d23\u5f15\u5bfc\u52a0\u8f7d\u64cd\u4f5c\u7cfb\u7edf\u5e76\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9\u5185\u6838\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Linux MBR\u7684\u4f5c\u7528\u3001\u7ed3\u6784\u4ee5\u53ca\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<h3>\u4e00\u3001MBR\u7684\u4f5c\u7528<\/h3>\n<p>MBR\u4f4d\u4e8e\u786c\u76d8\u7684\u7b2c\u4e00\u4e2a\u6247\u533a\uff08\u901a\u5e38\u4e3a\u7b2c0\u78c1\u9053\u3001\u7b2c1\u78c1\u9762\uff09\uff0c\u5927\u5c0f\u4e3a512\u5b57\u8282\u3002\u5b83\u5305\u542b\u4e86\u542f\u52a8\u52a0\u8f7d\u7a0b\u5e8f\uff08Boot Loader\uff09\u548c\u786c\u76d8\u5206\u533a\u8868\u3002\u5f53\u8ba1\u7b97\u673a\u542f\u52a8\u65f6\uff0cBIOS\uff08Basic Input\/Output System\uff09\u4f1a\u8bfb\u53d6\u786c\u76d8\u7684MBR\uff0c\u5e76\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9MBR\u4e2d\u7684\u542f\u52a8\u52a0\u8f7d\u7a0b\u5e8f\u3002<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u5e38\u89c1\u7684\u542f\u52a8\u52a0\u8f7d\u7a0b\u5e8f\u6709GRUB\uff08GRand Unified Bootloader\uff09\u548cLILO\uff08LInux LOader\uff09\u3002\u5b83\u4eec\u4f1a\u4ece\u786c\u76d8\u4e2d\u52a0\u8f7d\u5185\u6838\u6620\u50cf\uff08vmlinuz\uff09\u548c\u521d\u59cb\u5316\u5185\u5b58\u6587\u4ef6\u7cfb\u7edf\uff08initrd\uff09\uff0c\u5c06\u7cfb\u7edf\u5f15\u5bfc\u8d77\u6765\u3002<\/p>\n<h3>\u4e8c\u3001MBR\u7684\u7ed3\u6784<\/h3>\n<p>Linux MBR\u7684\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li> <strong>\u5f15\u5bfc\u7801<\/strong>\uff08Boot Code\uff09\uff1a\u5360\u636eMBR\u7684\u524d446\u5b57\u8282\uff0c\u8d1f\u8d23\u52a0\u8f7d\u64cd\u4f5c\u7cfb\u7edf\u7684\u542f\u52a8\u52a0\u8f7d\u7a0b\u5e8f\u3002<\/li>\n<li> <strong>\u5206\u533a\u8868<\/strong>\uff08Partition Table\uff09\uff1a\u5360\u636eMBR\u7684\u63a5\u4e0b\u6765\u768464\u5b57\u8282\uff0c\u8bb0\u5f55\u4e86\u786c\u76d8\u5206\u533a\u7684\u4fe1\u606f\uff0c\u6bcf\u4e2a\u5206\u533a\u8868\u9879\u4e3a16\u5b57\u8282\u3002<\/li>\n<li> <strong>MBR\u7b7e\u540d<\/strong>\uff08MBR Signature\uff09\uff1a\u5360\u636eMBR\u7684\u6700\u540e\u4e24\u4e2a\u5b57\u8282\uff0c\u7528\u4e8e\u6807\u8bc6\u8be5\u6247\u533a\u662f\u5426\u4e3a\u6709\u6548\u7684MBR\u3002<\/li>\n<\/ul>\n<h3>\u4e09\u3001\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/h3>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u7528\u4e8e\u5c55\u793a\u5982\u4f55\u5411\u786c\u76d8\u7684MBR\u5199\u5165\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u9700\u8981root\u6743\u9650\u548c\u8c28\u614e\u64cd\u4f5c\uff0c\u4ee5\u9632\u6b62\u3002<\/p>\n<pre># \u4e0b\u8f7d\u4e00\u4e2a\u793a\u4f8b\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\nwget http:\/\/example.com\/bootloader.bin\n\n# \u5c06\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u5199\u5165\u786c\u76d8\u7684MBR\nsudo dd if=bootloader.bin of=\/dev\/sda bs=446 count=1<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7dd\u547d\u4ee4\u5c06\u4e00\u4e2a\u540d\u4e3abootloader.bin\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u5199\u5165\u786c\u76d8sda\u7684MBR\u4e2d\u3002\u8fd9\u4e2a\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u53ef\u4ee5\u662f\u81ea\u5b9a\u4e49\u7684\uff0c\u7528\u4e8e\u52a0\u8f7dLinux\u7cfb\u7edf\u3002<\/p>\n<h3>\u56db\u3001\u603b\u7ed3<\/h3>\n<p>Linux MBR\u662f\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u4e00\u73af\uff0c\u5b83\u8d1f\u8d23\u5f15\u5bfc\u52a0\u8f7d\u64cd\u4f5c\u7cfb\u7edf\u5e76\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9\u5185\u6838\u3002\u4e86\u89e3MBR\u7684\u7ed3\u6784\u548c\u4f5c\u7528\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u6df1\u5165\u5730\u7406\u89e3\u7cfb\u7edf\u542f\u52a8\u7684\u8fc7\u7a0b\u3002\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u64cd\u4f5cMBR\uff0c\u81ea\u5b9a\u4e49\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\uff0c\u62d3\u5c55\u5bf9\u7cfb\u7edf\u542f\u52a8\u7684\u63a7\u5236\u3002<\/p>\n<p>\u5e0c\u671b\u672c\u6587\u5bf9\u5927\u5bb6\u4e86\u89e3Linux MBR\u6709\u6240\u5e2e\u52a9\uff0c\u540c\u65f6\u4e5f\u63d0\u9192\u5927\u5bb6\u5728\u64cd\u4f5cMBR\u65f6\u8981\u8c28\u614e\u5c0f\u5fc3\uff0c\u4ee5\u514d\u9020\u6210\u7cfb\u7edf\u6570\u636e\u7684\u635f\u574f\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLinux MBR\uff1a\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u4e00\u73af\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u6211\u4eec\u542f\u52a8\u7535\u8111\u65f6\uff0c\u64cd\u4f5c\u7cfb\u7edf\u7684\u542f\u52a8\u8fc7\u7a0b\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u590d\u6742\u800c\u7cbe\u5bc6\u7684\u6d41\u7a0b\u3002\u5176\u4e2d\uff0cMBR\uff08Master Boot Record\uff0c\u4e3b\u5f15\u5bfc\u8bb0\u5f55\uff09\u662f\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u4e00\u73af\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0cMBR\u8d77\u7740\u627f\u4e0a\u542f\u4e0b\u7684\u4f5c\u7528\uff0c\u5b83\u8d1f\u8d23\u5f15\u5bfc\u52a0\u8f7d\u64cd\u4f5c\u7cfb\u7edf\u5e76\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9\u5185\u6838\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Linux MBR\u7684\u4f5c\u7528\u3001\u7ed3\u6784\u4ee5\u53ca\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001MBR\u7684\u4f5c\u7528 MBR\u4f4d\u4e8e\u786c\u76d8\u7684\u7b2c\u4e00\u4e2a\u6247\u533a\uff08\u901a\u5e38\u4e3a\u7b2c0\u78c1\u9053\u3001\u7b2c1\u78c1\u9762\uff09\uff0c\u5927\u5c0f\u4e3a512\u5b57\u8282\u3002\u5b83\u5305\u542b\u4e86\u542f\u52a8\u52a0\u8f7d\u7a0b\u5e8f\uff08Boot Loader\uff09\u548c\u786c\u76d8\u5206\u533a\u8868\u3002\u5f53\u8ba1\u7b97\u673a\u542f\u52a8\u65f6\uff0cBIOS\uff08Basic Input\/Output System\uff09\u4f1a\u8bfb\u53d6\u786c\u76d8\u7684MBR\uff0c\u5e76\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9MBR\u4e2d\u7684\u542f\u52a8\u52a0\u8f7d\u7a0b\u5e8f\u3002 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u5e38\u89c1\u7684\u542f\u52a8\u52a0\u8f7d\u7a0b\u5e8f\u6709GRUB\uff08GRand Unified Bootloader\uff09\u548cLILO\uff08LInux LOader\uff09\u3002\u5b83\u4eec\u4f1a\u4ece\u786c\u76d8\u4e2d\u52a0\u8f7d\u5185\u6838\u6620\u50cf\uff08vmlinuz\uff09\u548c\u521d\u59cb\u5316\u5185\u5b58\u6587\u4ef6\u7cfb\u7edf\uff08initrd\uff09\uff0c\u5c06\u7cfb\u7edf\u5f15\u5bfc\u8d77\u6765\u3002 \u4e8c\u3001MBR\u7684\u7ed3\u6784 Linux MBR\u7684\u7ed3\u6784\u5982\u4e0b\uff1a \u5f15\u5bfc\u7801\uff08Boot Code\uff09\uff1a\u5360\u636eMBR\u7684\u524d446\u5b57\u8282\uff0c\u8d1f\u8d23\u52a0\u8f7d\u64cd\u4f5c\u7cfb\u7edf\u7684\u542f\u52a8\u52a0\u8f7d\u7a0b\u5e8f\u3002 \u5206\u533a\u8868\uff08Partition Table\uff09\uff1a\u5360\u636eMBR\u7684\u63a5\u4e0b\u6765\u768464\u5b57\u8282\uff0c\u8bb0\u5f55\u4e86\u786c\u76d8\u5206\u533a\u7684\u4fe1\u606f\uff0c\u6bcf\u4e2a\u5206\u533a\u8868\u9879\u4e3a16\u5b57\u8282\u3002 MBR\u7b7e\u540d\uff08MBR Signature\uff09\uff1a\u5360\u636eMBR\u7684\u6700\u540e\u4e24\u4e2a\u5b57\u8282\uff0c\u7528\u4e8e\u6807\u8bc6\u8be5\u6247\u533a\u662f\u5426\u4e3a\u6709\u6548\u7684MBR\u3002 \u4e09\u3001\u5177\u4f53\u4ee3\u7801\u793a\u4f8b \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u7528\u4e8e\u5c55\u793a\u5982\u4f55\u5411\u786c\u76d8\u7684MBR\u5199\u5165\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u9700\u8981root\u6743\u9650\u548c\u8c28\u614e\u64cd\u4f5c\uff0c\u4ee5\u9632\u6b62\u3002 # \u4e0b\u8f7d\u4e00\u4e2a\u793a\u4f8b\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f wget http:\/\/example.com\/bootloader.bin # \u5c06\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u5199\u5165\u786c\u76d8\u7684MBR sudo dd if=bootloader.bin of=\/dev\/sda bs=446 count=1 \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7dd\u547d\u4ee4\u5c06\u4e00\u4e2a\u540d\u4e3abootloader.bin\u7684\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u5199\u5165\u786c\u76d8sda\u7684MBR\u4e2d\u3002\u8fd9\u4e2a\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u53ef\u4ee5\u662f\u81ea\u5b9a\u4e49\u7684\uff0c\u7528\u4e8e\u52a0\u8f7dLinux\u7cfb\u7edf\u3002 \u56db\u3001\u603b\u7ed3 Linux MBR\u662f\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u4e00\u73af\uff0c\u5b83\u8d1f\u8d23\u5f15\u5bfc\u52a0\u8f7d\u64cd\u4f5c\u7cfb\u7edf\u5e76\u5c06\u63a7\u5236\u6743\u4ea4\u7ed9\u5185\u6838\u3002\u4e86\u89e3MBR\u7684\u7ed3\u6784\u548c\u4f5c\u7528\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u6df1\u5165\u5730\u7406\u89e3\u7cfb\u7edf\u542f\u52a8\u7684\u8fc7\u7a0b\u3002\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u64cd\u4f5cMBR\uff0c\u81ea\u5b9a\u4e49\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\uff0c\u62d3\u5c55\u5bf9\u7cfb\u7edf\u542f\u52a8\u7684\u63a7\u5236\u3002 \u5e0c\u671b\u672c\u6587\u5bf9\u5927\u5bb6\u4e86\u89e3Linux MBR\u6709\u6240\u5e2e\u52a9\uff0c\u540c\u65f6\u4e5f\u63d0\u9192\u5927\u5bb6\u5728\u64cd\u4f5cMBR\u65f6\u8981\u8c28\u614e\u5c0f\u5fc3\uff0c\u4ee5\u514d\u9020\u6210\u7cfb\u7edf\u6570\u636e\u7684\u635f\u574f\u3002 \u4ee5\u4e0a\u5c31\u662fLinux MBR\uff1a\u7cfb\u7edf\u542f\u52a8\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u4e00\u73af\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-17513","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17513","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=17513"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/17513\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=17513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=17513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=17513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}