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\u5728Linux\u751f\u6001\u4e2d\uff0cLUKS \u57fa\u4e8e dm-crypt \u63d0\u4f9b\u5757\u8bbe\u5907\u7ea7\u522b\u7684\u900f\u660e\u52a0\u5bc6\u3002\u5176\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u539f\u59cb\u903b\u8f91\u5377\u6216\u5206\u533a\u901a\u8fc7\u5185\u6838\u7684 device-mapper \u6620\u5c04\u5230\u4e00\u4e2a\u52a0\u5bc6\u540e\u8bbe\u5907\uff0c\u7cfb\u7edf\u8bfb\u5199\u65f6\u7531\u5185\u6838\u8fdb\u884c\u5b9e\u65f6\u52a0\u89e3\u5bc6\u3002\u4e3b\u8981\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n
LUKS \u652f\u6301\u5bc6\u94a5\u69fd\uff08keyslots\uff09\u673a\u5236\uff0c\u5141\u8bb8\u591a\u4e2a\u53e3\u4ee4\u6216\u5bc6\u94a5\u6587\u4ef6\u89e3\u9501\u540c\u4e00\u4e2a\u5bb9\u5668\uff0c\u4fbf\u4e8e\u5bc6\u94a5\u8f6e\u6362\u4e0e\u591a\u7ba1\u7406\u5458\u7ba1\u7406\u3002<\/p>\n
\u90e8\u7f72 LUKS \u5728 VPS \u573a\u666f\u4e0b\u4e3b\u8981\u7528\u4e8e\u4fdd\u62a4\u9759\u6001\u6570\u636e\uff0c\u5982\u6570\u636e\u5e93\u6587\u4ef6\u3001\u5907\u4efd\u3001\u65e5\u5fd7\u4ee5\u53ca\u654f\u611f\u914d\u7f6e\u6587\u4ef6\u3002\u5178\u578b\u9002\u7528\u573a\u666f\u5305\u62ec\uff1a<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u98ce\u9669\u70b9\uff1a<\/p>\n
\u5efa\u8bae\u5728\u90e8\u7f72\u524d\u5b8c\u6210\u4ee5\u4e0b\u51c6\u5907\uff1a<\/p>\n
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\u5c06\u6839\u5206\u533a\u52a0\u5bc6\u80fd\u5728\u66f4\u9ad8\u5c42\u9762\u4fdd\u62a4\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u78c1\u76d8\u5185\u5bb9\uff0c\u4f46\u64cd\u4f5c\u590d\u6742\uff0c\u6d89\u53ca initramfs \u4e0e\u8fdc\u7a0b\u89e3\u9501\u914d\u7f6e\u3002\u6b65\u9aa4\u6458\u8981\uff1a<\/p>\n
\u6ce8\u610f\uff1a\u5728\u4e91\u73af\u5883\u4e2d\uff0c\u8fdc\u7a0b\u89e3\u9501\u5b9e\u73b0\u662f\u5173\u952e<\/strong>\u3002\u5e38\u89c1\u65b9\u6cd5\u4e3a\u5728 initramfs \u4e2d\u542f\u7528 Dropbear \u5e76\u6ce8\u5165\u516c\u94a5\uff0c\u4ee5\u4fbf\u5728\u7cfb\u7edf\u6302\u8f7d\u524d\u901a\u8fc7 SSH \u89e3\u9501 LUKS \u5bb9\u5668\u3002<\/p>\n \u5728 VPS \u4e0a\u4f7f\u7528 LUKS \u65f6\u9700\u5173\u6ce8\u4ee5\u4e0b\u6280\u672f\u7ec6\u8282\u4ee5\u907f\u514d\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u95ee\u9898\uff1a<\/p>\n \u5b89\u5168\u7684\u5bc6\u94a5\u7ba1\u7406\u6bd4\u52a0\u5bc6\u672c\u8eab\u66f4\u91cd\u8981\u3002\u5efa\u8bae\uff1a<\/p>\n \u5728\u9009\u62e9\u6258\u7ba1\u4f4d\u7f6e\u65f6\uff0c\u5b89\u5168\u5e76\u975e\u552f\u4e00\u7ef4\u5ea6\u3002\u9999\u6e2fVPS \u5728\u5730\u7406\u4e0e\u6cd5\u5f8b\u73af\u5883\u4e0a\u5bf9\u4e9a\u592a\u4e1a\u52a1\u66f4\u6709\u4f18\u52bf\uff0c\u7f51\u7edc\u5ef6\u8fdf\u53ca\u5e26\u5bbd\u5bf9\u534e\u8bed\u7528\u6237\u53cb\u597d\uff1b\u800c\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668 \u5728\u4e91\u751f\u6001\u4e0e\u5408\u89c4\u9009\u62e9\u4e0a\u66f4\u4e30\u5bcc\uff0c\u9002\u5408\u5168\u7403\u5316\u4e0e\u7279\u5b9a\u5408\u89c4\u9700\u6c42\u3002<\/p>\n \u5728\u9009\u8d2d\u9999\u6e2fVPS \u6216 \u7f8e\u56fdVPS \u65f6\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u914d\u5408 LUKS \u52a0\u5bc6\uff0c\u5efa\u8bae\u5173\u6ce8\uff1a<\/p>\n \u6b64\u5916\uff0c\u5236\u5b9a\u8fd0\u7ef4 SOP\uff1a\u5305\u62ec\u5bc6\u94a5\u8f6e\u6362\u3001\u5e94\u6025\u89e3\u9501\u6d41\u7a0b\u3001\u5347\u7ea7\u524d\u7684\u517c\u5bb9\u6027\u6d4b\u8bd5\uff08\u5c24\u5176\u662f\u5185\u6838\/cryptsetup \u7248\u672c\uff09\u4ee5\u53ca\u5b9a\u671f\u6062\u590d\u6f14\u7ec3\u3002<\/p>\n LUKS \u5728\u9999\u6e2fVPS \u4e0a\u63d0\u4f9b\u4e86\u53ef\u9760\u4e14\u6210\u719f\u7684\u5757\u7ea7\u52a0\u5bc6\u65b9\u6848\uff0c\u9002\u5408\u9700\u8981\u4fdd\u62a4\u9759\u6001\u6570\u636e\u548c\u5f3a\u5316\u6258\u7ba1\u4fa7\u5b89\u5168\u6027\u7684\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u3002\u90e8\u7f72\u65f6\u5e94\u7efc\u5408\u8003\u8651\u8fdc\u7a0b\u89e3\u9501\u3001\u5bc6\u94a5\u7ba1\u7406\u3001CPU \u52a0\u901f\u4e0e\u6027\u80fd\u5f71\u54cd<\/strong>\uff0c\u5e76\u7ed3\u5408\u4e1a\u52a1\u5730\u57df\uff08\u9999\u6e2f\u670d\u52a1\u5668 vs \u7f8e\u56fd\u670d\u52a1\u5668\/\u7f8e\u56fdVPS\uff09\u7684\u7f51\u7edc\u4e0e\u5408\u89c4\u9700\u6c42\u5236\u5b9a\u65b9\u6848\u3002\u5bf9\u521d\u5b66\u8005\u5efa\u8bae\u5148\u4ece\u52a0\u5bc6\u72ec\u7acb\u6570\u636e\u76d8\u5f00\u59cb\uff0c\u719f\u7ec3\u540e\u518d\u8bc4\u4f30 root-on-LUKS \u7684\u53ef\u884c\u6027\u3002<\/p>\n \u82e5\u60a8\u6b63\u5728\u8bc4\u4f30\u9002\u5408\u90e8\u7f72 LUKS \u7684\u4e91\u4e3b\u673a\u6216\u9700\u8981\u5177\u5907\u63a7\u5236\u53f0\u4e0e\u9ad8\u6027\u80fd CPU \u7684\u9999\u6e2fVPS\uff0c\u53ef\u4ee5\u53c2\u8003 Server.HK \u7684\u4ea7\u54c1\u4e0e\u914d\u7f6e\u8be6\u60c5\uff0c\u4e86\u89e3\u9002\u914d\u9700\u6c42\u7684\u5b9e\u4f8b\u7c7b\u578b\u4e0e\u78c1\u76d8\u9009\u9879\uff1a\u9999\u6e2fVPS \u4ea7\u54c1\u9875<\/a>\u3002\u66f4\u591a\u516c\u53f8\u4fe1\u606f\u53ef\u89c1\u4e3b\u9875\uff1aServer.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u5e26\u7740\u5b9e\u6218\u5bfc\u5411\uff0c\u6211\u4eec\u5c06\u624b\u628a\u624b\u6559\u4f60\u5728\u9999\u6e2f VPS LUKS \u52a0\u5bc6 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\u5bc6\u94a5\u7ba1\u7406\u4e0e\u5907\u4efd\u7b56\u7565<\/h2>\n
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\u4e0e\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u7684\u6bd4\u8f83\u8003\u91cf<\/h2>\n
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\u9009\u8d2d\u4e0e\u8fd0\u7ef4\u5efa\u8bae<\/h2>\n
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\u603b\u7ed3<\/h2>\n