{"id":1745,"date":"2010-04-20T10:08:26","date_gmt":"2010-04-20T10:08:26","guid":{"rendered":"http:\/\/www.icocean.com\/blog\/?p=1745"},"modified":"2010-04-20T10:08:55","modified_gmt":"2010-04-20T10:08:55","slug":"linux%E7%B3%BB%E7%BB%9F%E6%AD%BB%E6%9C%BA%E6%83%85%E5%86%B5%E5%88%86%E6%9E%90%E4%B8%8E%E5%A4%84%E7%90%86%E6%96%B9%E6%A1%88%E4%BB%8B%E7%BB%8D","status":"publish","type":"post","link":"https:\/\/www.icocean.com\/blog\/?p=1745","title":{"rendered":"Linux\u7cfb\u7edf\u6b7b\u673a\u60c5\u51b5\u5206\u6790\u4e0e\u5904\u7406\u65b9\u6848\u4ecb\u7ecd"},"content":{"rendered":"

      \u6211\u4eec\u5728\u4f7f\u7528Linux\u7cfb\u7edf\u7684\u65f6\u5019\u4f1a\u53d1\u73b0\u7cfb\u7edf\u6ca1\u6709\u54cd\u5e94\u51fa\u73b0\u6b7b\u673a\u73b0\u8c61\u3002\u8fd9\u4e2a\u65f6\u5019\u8981\u505a\u4e9b\u4ec0\u4e48\u5462\uff1f\u8bf4\u5230\u8fd9\u6709\u4eba\u5c31\u4f1a\u95ee\uff0cLinux\u7cfb\u7edf\u4f1a\u6b7b\u673a\u4e48\uff1f\u6211\u53ef\u4ee5\u5f88\u80af\u5b9a\u5730\u8bf4\uff0c\u4f1a\uff01\u8981\u8ba9Linux\u6b7b\u673a\u5f88\u5bb9\u6613\uff0c\u4f46\u96be\u7684\u662f\u5728\u6b7b\u673a\u4ee5\u540e\u5982\u4f55\u5b89\u5168\u7684\u8ba9\u4ed6\u6446\u8131\u6b7b\u673a\u72b6\u6001\uff0c\u672c\u6587\u8bb2\u8ff0\u5982\u4f55\u4eceLinux\u7684\u6b7b\u673a\u72b6\u6001\u4e2d\u6323\u8131\u51fa\u6765\u3002<\/p>\n

\u3000\u3000Linux\u7cfb\u7edf\u6b7b\u673a\u6709\u5f88\u591a\u79cd\u60c5\u51b5\uff0c\u6700\u5e38\u89c1\u7684\u662f\u7cfb\u7edf\u8d1f\u8f7d\u8fc7\u9ad8\u5bfc\u81f4\u7684\u3002\u5982\u4e0a\u6b21\u4ecb\u7ecd\u7684fork***\u5c31\u662f\u8fd9\u4e2a\u539f\u7406\uff0c\u6b64\u5916\u8fd8\u53ef\u4ee5\u8fd0\u884c\u5185\u5b58\u8017\u7528\u6781\u5927\u7684\u7a0b\u5e8f\uff08\u5982\u865a\u62df\u673a\uff09\uff0c\u4e5f\u4f1a\u8fc5\u901f\u63d0\u5347\u7cfb\u7edf\u8d1f\u8f7d\u3002\u7531\u4e8e\u7cfb\u7edf\u8d1f\u8f7d\u8fc7\u9ad8\u5bfc\u81f4\u7684\u5361\u6b7b\uff0c\u4e00\u5b9a\u662f\u89e3\u51b3\u7684\u8d8a\u5feb\u8d8a\u597d\uff01\u6b64\u65f6\u5fc5\u987b\u8bb0\u4f4f\u7684\u662f\uff0c\u4e0d\u80fd\u518d\u8bd5\u56fe\u4f9d\u8d56\u4efb\u4f55\u56fe\u5f62\u754c\u9762\u7684\u4e1c\u897f\uff0c\u5982 Gnome \u7684\u7cfb\u7edf\u76d1\u89c6\u5668\uff08\u8fd9\u662f\u6211\u4ece Windows \u9057\u7559\u4e0b\u6765\u7684\u611a\u6627\u4e60\u60ef\u2026\u2026\uff09\uff0c\u8fd9\u53ea\u4f1a\u7ee7\u7eed\u52a0\u91cd\u8fd9\u79cd\u5361\u6b7b\u7684\u5c40\u9762\u3002\u90a3\u600e\u4e48\u529e\uff1f<\/p>\n

\u3000\u3000\u4e0d\u8981\u6015\uff0cLinux\u7cfb\u7edf\u6700\u521d\u5c31\u662f\u4e0d\u9700\u8981\u56fe\u5f62\u754c\u9762\u7684\uff0c\u56e0\u4e3a\u6709\u4e00\u4e2a\u5f88\u5f3a\u5927\u7684\u6587\u5b57\u754c\u9762\u3002\u6309 Ctrl-Alt-F1\uff08F1-F6 \u4e00\u822c\u6765\u8bf4\u90fd\u53ef\u4ee5\uff09\uff0c\u7136\u540e\u7b49\u4e00\u4f1a\u513f\uff0c\u5c31\u4f1a\u5207\u6362\u5230 tty\uff0c\u4e5f\u5c31\u662f\u8c13\u7684\u6587\u5b57\u754c\u9762\u3002\u8fd9\u4e2a\u65f6\u5019\u9700\u8981\u7528\u7528\u6237\u540d\u5bc6\u7801\u767b\u5165\u3002\u6ce8\u610f\uff0c\u53ef\u80fd\u952e\u76d8\u8f93\u5165\u7684\u901f\u5ea6\u6bd4\u8f83\u6162\uff0c\u4e0d\u8fc7\u5e94\u8be5\u8fd8\u662f\u53ef\u4ee5\u5fcd\u53d7\u7684\u3002\u4e0b\u9762\u5728\u63d0\u793a\u7b26\u540e\u9762\u8f93\u5165 top \u56de\u8f66\uff0c\u8fd9\u65f6\u4f1a\u770b\u5230\u4e00\u5f20\u52a8\u6001\u7684\u8868\uff0c\u4e0a\u9762\u5217\u51fa\u4e86\u8017\u7528\u8d44\u6e90\u6700\u591a\u7684\u8fdb\u7a0b\u3002\u89c2\u5bdf\u5b83\u5237\u65b0\u4e00\u4e24\u6b21\uff0c\u6309q\u9000\u51fa\uff0c\u7136\u540e\u8f93\u5165 kill \uff0c\u5176\u4e2d\u7684 PID \u4f60\u53ef\u4ee5\u5728 top \u91cc\u9762\u770b\u5230\u3002\u8fd9\u4e2a\u65f6\u5019\u5e94\u8be5\u4f1a\u5feb\u4e86\u4e0d\u5c11\uff0c\u5982\u679c\u4f60\u53d1\u73b0\u6ca1\u6709\u6210\u529f\u7ed3\u675f\u6389\uff0c\u5c31\u518d\u8f93\u5165 kill -KILL \uff0c\u8fd9\u6b21\u57fa\u672c\u4e0a\u5c31\u6ca1\u95ee\u9898\u4e86\u3002<\/p>\n

\u3000\u3000\u9664\u4e86\u4e0a\u9762\u8fd9\u79cd\u60c5\u51b5\u5916\uff0c\u4e00\u4e9b\u5e95\u5c42\u8f6f\u4ef6\u7684 bug \u4e5f\u53ef\u80fd\u5bfc\u81f4\u4e00\u4e9b\u5947\u602a\u7684\u6b7b\u673a\u95ee\u9898\u3002\u6211\u67d0\u4f4d\u540c\u5b66\u8fd1\u65e5\u5c31\u56e0\u4e3a\u83ab\u540d\u5176\u5999\u7684\u6b7b\u673a\u5f3a\u5236\u91cd\u542f\u628a ext4 \u7684\u5206\u533a\u7ed9\u4f24\u4e86\u3002\uff08\u6700\u540e\u662f sysreccd \u4fee\u590d\u4e86\uff0c\u8c8c\u4f3c\u662f\u5206\u533a\u8868\u90e8\u5206\u635f\u574f\uff09\u636e\u5176\u8bf4\uff0c\u6b7b\u673a\u662f\u952e\u9f20\u5747\u65e0\u53cd\u5e94\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u7cfb\u7edf\u8d1f\u8f7d\u9ad8\u5bfc\u81f4\u7684\u6b7b\u673a\uff0c\u5728\u53ef\u6015\u952e\u76d8\u4e5f\u4f1a\u6709\u53cd\u5e94\uff0c\u6709\u4eba\u8bf4\u5982\u679c\u6b7b\u673a\u5230\u952e\u76d8\u65e0\u54cd\u5e94\u201c\u8d1f\u8f7d \u90fd\u65e0\u9650\u5927\u4e86\u201d\uff0c\u4ea6\u6709\u4eba\u8bf4\u8fd9\u53ef\u80fd\u662f X Server \u4e0e\u9a71\u52a8\u914d\u5408\u6709\u95ee\u9898\u5bfc\u81f4\u7684\u3002\u4e0d\u8fc7\u6211\u4eec\u8003\u8651\u4e00\u4e0b\u9047\u5230\u8fd9\u79cd\u60c5\u51b5\u600e\u4e48\u529e\uff1f<\/p>\n

\u3000\u3000OK\uff0c\u8fd9\u662f\u4eca\u5929\u624d\u5b66\u5230\u7684\u65b9\u6cd5\uff0c\u53eb\u505a reisub\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u5728\u5404\u79cd\u60c5\u51b5\u4e0b\u5b89\u5168\u5730\u91cd\u542f\u8ba1\u7b97\u673a\u3002\u5927\u5bb6\u5728\u952e\u76d8\u4e0a\u627e\uff0c\u53ef\u4ee5\u627e\u5230\u4e00\u4e2a\u53eb\u505a\u201cSys Rq\u201d\u7684\u952e\uff0c\u5728\u53f0\u673a\u7684\u952e\u76d8\u4e0a\u901a\u5e38\u4e0e Prt Sc \u5171\u952e\uff0c\u5728\u7b14\u8bb0\u672c\u53ef\u80fd\u5728\u5176\u4ed6\u4f4d\u7f6e\uff0c\u5982 Delete\u3002\u4ee5\u53f0\u673a\u4e3a\u4f8b\uff0c\u8981\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u6309\u4f4f Alt-Print(Sys Rq)\uff0c\u7136\u540e\u4f9d\u6b21\u6309\u4e0b reisub \u8fd9\u51e0\u4e2a\u952e\uff0c\u6309\u5b8c b \u7cfb\u7edf\u5c31\u4f1a\u91cd\u542f\u3002<\/p>\n

\u3000\u3000\u4e0b\u9762\u89e3\u91ca\u4e00\u4e0b\u8fd9\u4e2a\u65b9\u6cd5\uff1a\u5176\u5b9e Sys Rq \u662f\u4e00\u79cd\u53eb\u505a\u7cfb\u7edf\u8bf7\u6c42\u7684\u4e1c\u897f\uff0c\u6309\u4f4f Alt-Print \u7684\u65f6\u5019\u5c31\u76f8\u5f53\u4e8e\u6309\u4f4f\u4e86 Sys Rq \u952e\uff0c\u8fd9\u4e2a\u65f6\u5019\u8f93\u5165\u7684\u4e00\u5207\u90fd\u4f1a\u76f4\u63a5\u7531Linux\u5185\u6838\u6765\u5904\u7406\uff0c\u5b83\u53ef\u4ee5\u8fdb\u884c\u8bb8\u591a\u4f4e\u7ea7\u64cd\u4f5c\u3002\u8fd9\u4e2a\u65f6\u5019 reisub \u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u6bcd\u90fd\u662f\u4e00\u4e2a\u72ec\u7acb\u64cd\u4f5c\uff0c\u4ed6\u4eec\u5206\u522b\u8868\u793a\uff1a<\/p>\n

\u3000\u3000R\uff1aunRaw \u5c06\u952e\u76d8\u63a7\u5236\u4ece X Server \u90a3\u91cc\u62a2\u56de\u6765<\/p>\n

\u3000\u3000E\uff1atErminate \u7ed9\u6240\u6709\u8fdb\u7a0b\u53d1\u9001 SIGTERM \u4fe1\u53f7\uff0c\u8ba9\u4ed6\u4eec\u81ea\u5df1\u89e3\u51b3\u5584\u540e<\/p>\n

\u3000\u3000I\uff1akIll \u7ed9\u6240\u6709\u8fdb\u7a0b\u53d1\u9001 SIGKILL \u4fe1\u53f7\uff0c\u5f3a\u5236\u4ed6\u4eec\u9a6c\u4e0a\u5173\u95ed<\/p>\n

\u3000\u3000S\uff1aSync \u5c06\u6240\u6709\u6570\u636e\u540c\u6b65\u81f3\u78c1\u76d8<\/p>\n

\u3000\u3000U\uff1aUnmount \u5c06\u6240\u6709\u5206\u533a\u6302\u8f7d\u4e3a\u53ea\u8bfb\u6a21\u5f0f<\/p>\n

\u3000\u3000B\uff1areBoot \u91cd\u542f<\/p>\n

\u3000\u3000\u8fd96\u4e2a\u5b57\u6bcd\u7684\u987a\u5e8f\u662f\u4e0d\u53ef\u4ee5\u8bb0\u9519\u7684\u3002\u90a3\u600e\u4e48\u8bb0\u5462\uff1f\u8fd9\u91cc\u63d0\u4f9b\u4e00\u4e2a\u4e2a\u4eba\u8ba4\u4e3a\u6bd4\u8f83\u597d\u7684\u65b9\u6cd5\uff1a\u5355\u8bcd busier\uff08busy \u7684\u6bd4\u8f83\u7ea7\uff0c\u66f4\u5fd9\uff09\u5012\u8fc7\u6765\u5c31\u662f\u4e86\u3002<\/p>\n

\u3000\u3000\u6b7b\u673a\uff1f\u4e0d\u5408\u9002\u5427\u3002\u771f\u6b7b\u673a\u4e86\u9664\u4e86hard reset\u8fd8\u80fd\u5e72\u4ec0\u4e48\uff1f\u53eb\u5931\u53bb\u54cd\u5e94\u6216\u8005\u65e0\u54cd\u5e94\u66f4\u5408\u9002\u5427\uff1f<\/p>\n

\u3000\u3000\u53e6\u5916\u670d\u52a1\u5668\u4e00\u822c\u90fd\u662f\u8fdc\u7a0b\u64cd\u4f5c\u7684\uff0csysrq\u600e\u4e48\u7528\u5462\uff1f<\/p>\n

\u3000\u3000X\u6302\u6389\uff0c\u901a\u5e38psuedo console\u5c31\u80fd\u641e\u5b9a\u3002\u901a\u5e38\u5927\u5bb6\u4e5f\u4f1a\u5f00ssh\uff0c\u7edd\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u90fd\u80fd\u8fde\u4e0a\u53bb\u6740\u8fdb\u7a0b\uff0c\u505a\u91cd\u542f\u524d\u7684\u6536\u5c3e\u6bd4\u5982sync\u6765commit\u3002<\/p>\n

\u3000\u3000\u5173\u4e8esysrq\uff0c\u901a\u5e38RHEL\/OEL\u7b49EnterpriseLinux\u7cfb\u7edf\u9ed8\u8ba4\u90fd\u662f\u5173\u95ed\u7684\u9700\u8981\u4e8b\u5148\u5f00\u542f\u624d\u53ef\u4ee5\u7528\u3002<\/p>\n

\u3000\u3000cat \/proc\/sys\/kernel\/sysrq\uff0c\u770b\u4e86\u624b\u5934\u7684\u51e0\u4e2a\u684c\u9762\u53d1\u884c\u7248\u672c\uff0c\u53ea\u6709Ubuntu\u9ed8\u8ba4\u662f\u5f00\u7684\uff0cArch\u662f\u5173\u95ed\u7684\u3002<\/p>\n

\u3000\u3000\u5bf9\u4e8e\u684c\u9762\u7528\u6237\u800c\u8a00\uff0c\u5f53\u684c\u9762\u50f5\u6b7b\u65f6\uff0c\u7528\u8fd9\u4e2a\u6765\u641e\u4e00\u4e0b\uff0c\u8fd8\u662f\u5f88\u65b9\u4fbf\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u6211\u4eec\u5728\u4f7f\u7528Linux\u7cfb\u7edf\u7684\u65f6\u5019\u4f1a\u53d1\u73b0\u7cfb […]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[434,2708,2707,2706,607],"class_list":["post-1745","post","type-post","status-publish","format-standard","hentry","category-linuxunix","tag-linux","tag-2708","tag-2707","tag-2706","tag-607","category-16-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1745","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1745"}],"version-history":[{"count":0,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1745\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}