\u201c\u6211\u5fd8\u8bb0\u4e86 root \u5bc6\u7801\uff01\u201d(\u4e00)
\u53ea\u8981\u80fd\u8bbf\u95ee\u63a7\u5236\u53f0\u952e\u76d8\uff0c\u4e0d\u9700\u8981 root \u5bc6\u7801\u4e5f\u53ef\u4ee5\u542f\u52a8\u7cfb\u7edf\u5e76\u4ee5 root \u5e10\u53f7\u767b\u5f55\u3002 (\u8fd9\u91cc\u5047\u8bbe\u6ca1\u6709 BIOS \u5bc6\u7801\u6216 lilo \u4e4b\u7c7b\u7684\u542f\u52a8\u5f15\u5bfc\u5668\u5bc6\u7801\u7528\u4e8e\u63a7\u5236\u7cfb\u7edf\u542f\u52a8\u3002)<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u4e0d\u9700\u8981\u989d\u5916\u7684\u542f\u52a8\u76d8\u6216\u5bf9 BIOS \u542f\u52a8\u8bbe\u7f6e\u8fdb\u884c\u4fee\u6539\u7684\u8fc7\u7a0b\u3002\u8fd9\u91cc\u7684\u201cLinux\u201d\u662f\u4ee3\u8868\u5728 Debian \u9ed8\u8ba4\u5b89\u88c5\u7cfb\u7edf\u4e2d\u542f\u52a8 Linux \u5185\u6838\u7684\u6807\u7b7e\u3002<\/p>\n
\u5728 lilo \u7684\u542f\u52a8\u5c4f\u5e55\u4e2d\uff0c\u5f53 boot: \u4e00\u51fa\u73b0\u65f6 (\u5728\u67d0\u4e9b\u7cfb\u7edf\u4e2d\uff0c\u60a8\u5fc5\u987b\u6309 shift \u952e\u4ee5\u963b\u6b62\u81ea\u52a8\u542f\u52a8\uff1b\u5982\u679c lilo \u4f7f\u7528 framebuffer\uff0c\u60a8\u9700\u8981\u6309 TAB \u952e\u624d\u80fd\u770b\u5230\u81ea\u5df1\u8f93\u5165\u7684\u9009\u9879)\uff0c\u5c31\u8f93\u5165\uff1a
boot: Linux init=\/bin\/sh<\/p>\n
\u8fd9\u4f1a\u8ba9\u7cfb\u7edf\u542f\u52a8\u5185\u6838\u5e76\u8fd0\u884c \/bin\/sh \u800c\u975e\u5176\u6807\u51c6\u7684 init\u3002\u73b0\u5728\u4f60\u5df2\u83b7\u5f97 root \u6743\u9650\u548c\u4e00\u4e2a root shell\u3002\u7531\u4e8e\u5f53\u524d \/ \u662f\u4ee5\u53ea\u8bfb\u65b9\u5f0f\u6302\u8f7d\uff0c\u800c\u5176\u5b83\u7684\u786c\u76d8\u5206\u533a\u5747\u672a\u6302\u8f7d\uff0c\u6545\u4f60\u5fc5\u987b\u5b8c\u6210\u4e0b\u5217\u6b65\u9aa4\u624d\u80fd\u83b7\u5f97\u4e00\u4e2a\u6709\u9002\u5f53\u529f\u80fd\u7684\u7cfb\u7edf\u3002
init-2.03# mount -n -o remount,rw \/
init-2.03# mount -avt nonfs,noproc,nosmbfs
init-2.03# cd \/etc
init-2.03# vi passwd
init-2.03# vi shadow<\/p>\n
(\u5982\u679c \/etc\/passwd \u6587\u4ef6\u4e2d\u6240\u6709\u7528\u6237\u7684\u7b2c\u4e8c\u4e2a\u57df\u7684\u6570\u636e\u90fd\u4e3a\u201cx\u201d\uff0c\u5c31\u8868\u660e\u7cfb\u7edf\u4f7f\u7528\u4e86\u5f71\u5b50(shadow)\u5bc6\u7801\uff0c\u5fc5\u987b\u7f16\u8f91 \/etc\/shadow\u3002)\u8981\u5220\u9664 root \u5bc6\u7801\uff0c\u8bf7\u7f16\u8f91\u5bc6\u7801\u6587\u4ef6\u4e2d\u7b2c\u4e8c\u4e2a\u6570\u636e\u57df\uff0c\u5c06\u5b83\u8bbe\u7f6e\u4e3a\u7a7a\u767d\u3002\u8fd9\u6837\u91cd\u542f\u7cfb\u7edf\u4e0d\u7528\u5bc6\u7801\u5c31\u80fd\u767b\u5f55\u5230 root\u3002\u5f53\u7cfb\u7edf\u542f\u52a8\u8fdb\u5165 runlevel 1 \u65f6\uff0cDebian(\u81f3\u5c11\u662f Potato \u4ee5\u540e\u7684\u7248\u672c)\u9700\u8981\u5bc6\u7801\uff0c\u4e00\u4e9b\u8f83\u8001\u7684\u7248\u672c\u5219\u4e0d\u9700\u8981\u3002<\/p>\n
\u5728 \/bin \u4e0b\u88c5\u4e00\u4e2a\u5c0f\u7f16\u8f91\u5668\u662f\u4e2a\u597d\u4e60\u60ef\uff0c\u56e0\u4e3a\u6709\u65f6 \/usr \u662f\u65e0\u6cd5\u8bbf\u95ee\u7684\u3002<\/p>\n
\u53e6\u5916\u53ef\u4ee5\u5b89\u88c5 sash \u8f6f\u4ef6\u5305\uff0c\u5f53\u7cfb\u7edf\u65e0\u6cd5\u542f\u52a8\u65f6\uff0c\u8fd8\u53ef\u6267\u884c\uff1a
boot: Linux init=\/bin\/sash<\/p>\n
\u5f53 \/bin\/sh \u4e0d\u53ef\u7528\u65f6\uff0csash \u53ef\u4f5c\u4e3a sh \u7684\u4ea4\u4e92\u5f0f\u66ff\u4ee3\u54c1\uff0c\u5b83\u662f\u9759\u6001\u94fe\u63a5\uff0c\u5185\u5efa\u4e86\u8bb8\u591a\u6807\u51c6\u5de5\u5177(\u5728\u7cfb\u7edf\u63d0\u793a\u7b26\u4e0b\u8f93\u5165\u201chelp\u201d\u53ef\u83b7\u5f97\u53c2\u8003\u5217\u8868)\u3002<\/p>\n
\u201c\u6211\u5fd8\u8bb0\u4e86 root \u5bc6\u7801\uff01\u201d(\u4e8c)<\/p>\n
\u4ece\u6025\u6551\u76d8\u542f\u52a8\u7cfb\u7edf\u3002\u5047\u8bbe \/dev\/hda3 \u662f\u539f\u59cb root \u5206\u533a\uff0c\u53ef\u7528\u4e0b\u9762\u7684\u65b9\u6cd5\u7f16\u8f91\u5bc6\u7801\u6587\u4ef6\uff0c\u4e0e\u4e0a\u8ff0\u65b9\u6cd5\u4e00\u6837\u5bb9\u6613\u3002
# mkdir fixit
# mount \/dev\/hda3 fixit
# cd fixit\/etc
# vi shadow
# vi passwd<\/p>\n
\u4e0e\u4e0a\u9762\u7684\u65b9\u6cd5\u76f8\u6bd4\uff0c\u8be5\u65b9\u6cd5\u7684\u597d\u5904\u5728\u4e8e\u4e0d\u9700\u8981\u77e5\u9053 lilo \u5bc6\u7801(\u5982\u679c\u6709\u7684\u8bdd)\u3002\u4f46\u5982\u679c\u7cfb\u7edf\u6ca1\u6709\u9884\u5148\u8bbe\u7f6e\u4e3a\u4ece\u8f6f\u76d8\u6216 CD \u542f\u52a8\uff0c\u5c31\u9700\u8981\u8bbf\u95ee BIOS \u7684\u6743\u9650\u3002<\/p>\n
<\/p>\n
\u63a8\u8350\u65b9\u6cd5\uff1a <\/p>\n
\u5982\u679c\u60a8\u5b89\u88c5\u7684boot loader\u662f LILO: <\/p>\n
\u5f53\u7cfb\u7edf\u5f00\u673a\u51fa\u73b0 LILO: \u63d0\u793a\u7b26\u65f6\uff0c\u8f93\u5165 linux single <\/p>\n
\u5f53\u673a\u5668\u542f\u52a8\u540e\uff0c\u76f4\u63a5\u8f93\u5165 passwd root \u547d\u4ee4\u91cd\u8bbe root \u7528\u6237\u5bc6\u7801\u5373\u53ef\u3002 <\/p>\n
\u5982\u679c\u60a8\u5b89\u88c5\u7684boot loader\u662f GRUB: <\/p>\n
\u5f53\u7cfb\u7edf\u5f00\u673a\u51fa\u73b0 GRUB: \u7684\u56fe\u5f62\u754c\u9762\u65f6\uff0c\u9009\u62e9\u4f60\u8981\u8fdb\u5165\u7684\u7cfb\u7edf\uff0c\u6309\u5b57\u6bcd e \u7f16\u8f91 <\/p>\n
\u4e0b\u4e00\u4e2a\u753b\u9762\uff0c\u9009\u4e2d\u542b\u6709 kernel \u5355\u8bcd\u7684\u90a3\u4e00\u884c\u5e76\u6309\u5b57\u6bcd e \u7f16\u8f91 <\/p>\n
\u5728\u8fd9\u4e00\u884c\u7684\u672b\u5c3e\u6dfb\u52a0 \u5b57\u6bcd s \u6216\u8005 S \u6216\u8005 1 \u56de\u8f66 <\/p>\n
\u8fd9\u662f\u5c4f\u5e55\u8fd4\u56de\u4e0a\u4e00\u5c4f\uff0c\u5e76\u4e14\u80fd\u770b\u5230\u6211\u4eec\u6240\u505a\u7684\u6539\u53d8 <\/p>\n
\u6309\u5b57\u6bcd b \u5f15\u5bfc\u673a\u5668\u5728\u5355\u7528\u6237\u6a21\u5f0f\u4e0b <\/p>\n
\u8f93\u5165 passwd root \u547d\u4ee4\u91cd\u8bbe root \u7528\u6237\u5bc6\u7801\u5373\u53ef\u3002 <\/p>\n
\u522b\u7684\u65b9\u6cd5\uff1a <\/p>\n
\u7528\u5b89\u88c5\u5149\u76d8\u5f15\u5bfc\u7cfb\u7edf\uff0c\u8fdb\u5165linux rescue\u6a21\u5f0f\uff0c\u5e76\u81ea\u52a8\u6302\u8f7d\u539f\u6839\u5206\u533a\u4e3a \/mnt\/sysimage\/ <\/p>\n
chroot \/mnt\/sysimage <\/p>\n
passwd root <\/p>\n","protected":false},"excerpt":{"rendered":"
\u201c\u6211\u5fd8\u8bb0\u4e86 root \u5bc6\u7801\uff01\u201d(\u4e00)\u53ea\u8981\u80fd\u8bbf\u95ee\u63a7\u5236\u53f0\u952e\u76d8\uff0c\u4e0d\u9700\u8981 root \u5bc6\u7801\u4e5f\u53ef\u4ee5\u542f\u52a8\u7cfb\u7edf\u5e76\u4ee5 root \u5e10\u53f7\u767b\u5f55\u3002 (\u8fd9\u91cc\u5047\u8bbe\u6ca1\u6709 BIOS \u5bc6\u7801\u6216 lilo \u4e4b\u7c7b\u7684\u542f\u52a8\u5f15\u5bfc\u5668\u5bc6\u7801\u7528\u4e8e\u63a7\u5236\u7cfb\u7edf\u542f...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-239","post","type-post","status-publish","format-standard","hentry","category-debian"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=239"}],"version-history":[{"count":0,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/239\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liangliang.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}