\u8fd9\u4e00\u6b65\u53ef\u4ee5\u907f\u514d\u4e00\u4e2a\u975e\u5e38\u5e38\u89c1\u7684\u9519\u8bef\uff1a\u56e0\u4e3a\u670d\u52a1\u201c\u770b\u8d77\u6765\u5f88\u665a\u201d\u5c31\u76f4\u63a5\u6dfb\u52a0\u4efb\u610f\u5ef6\u65f6\u3002\u5ef6\u65f6\u53ea\u662f\u521b\u53ef\u8d34\u3002\u5b83\u4e5f\u8bb8\u80fd\u5728\u67d0\u4e00\u4e2a\u5185\u6838\u3001\u67d0\u4e00\u4efd\u955c\u50cf\u3001\u67d0\u4e00\u79cd\u7f51\u7edc\u914d\u7f6e\u4e0a\u63a9\u76d6\u7ade\u6001\u95ee\u9898\uff0c\u4f46\u5728\u53e6\u4e00\u79cd\u91cd\u542f\u6a21\u5f0f\u4e0b\uff0c\u95ee\u9898\u5f88\u53ef\u80fd\u518d\u6b21\u66b4\u9732\u3002<\/p>\n

\u4f7f\u7528\u6b63\u786e\u7684\u4f9d\u8d56\u5173\u7cfb\u6a21\u5f0f<\/strong><\/h2>\n

\u5982\u679c\u4e00\u4e2a\u670d\u52a1\u786e\u5b9e\u9700\u8981\u7f51\u7edc\u53ef\u7528\uff0c\u90a3\u4e48\u901a\u5e38\u4e0d\u5e94\u53ea\u5199\u6210 After=network.target<\/code>\u3002\u66f4\u51c6\u786e\u7684\u5efa\u6a21\u65b9\u5f0f\u901a\u5e38\u662f\uff1a<\/p>\n

\n
• Wants=network-online.target<\/code><\/li>\n
• After=network-online.target<\/code><\/li>\n<\/ul>\n

  \u5b98\u65b9\u6587\u6863\u5efa\u8bae\uff0c\u90a3\u4e9b\u4e25\u683c\u4f9d\u8d56\u5df2\u914d\u7f6e\u7f51\u7edc\u7684\u5355\u5143\uff0c\u5e94\u8be5\u4e3b\u52a8\u62c9\u5165 network-online.target<\/code>\uff0c\u5e76\u4e14\u5728\u987a\u5e8f\u4e0a\u6392\u5728\u5b83\u4e4b\u540e\u3002\u540c\u65f6\u6587\u6863\u4e5f\u63d0\u9192\uff0c\u8fd9\u6837\u505a\u53ef\u80fd\u4f1a\u5ef6\u957f\u542f\u52a8\u65f6\u95f4\uff0c\u56e0\u6b64\u53ea\u5e94\u5728\u786e\u6709\u5fc5\u8981\u65f6\u4f7f\u7528\u3002<\/p>\n

  \u5982\u679c\u67d0\u4e2a\u670d\u52a1\u53ea\u9700\u8981\u7f51\u7edc\u5b50\u7cfb\u7edf\u5df2\u7ecf\u5b58\u5728\uff0c\u800c\u5e76\u4e0d\u8981\u6c42\u5df2\u7ecf\u83b7\u5f97\u53ef\u8def\u7531\u5730\u5740\uff0c\u6216\u5df2\u7ecf\u80fd\u591f\u8bbf\u95ee\u8fdc\u7aef\uff0c\u90a3\u4e48 After=network.target<\/code> \u5f80\u5f80\u5c31\u8db3\u591f\u3002\u8fd9\u91cc\u7684\u533a\u522b\u975e\u5e38\u5173\u952e\uff0c\u56e0\u4e3a\u8fc7\u5ea6\u4f7f\u7528 \u201conline\u201d \u76ee\u6807\u4f1a\u5f15\u5165\u672c\u6765\u4e0d\u9700\u8981\u7684\u540c\u6b65\uff0c\u4ece\u800c\u62d6\u6162\u542f\u52a8\uff0c\u5e76\u63a9\u76d6\u5e94\u7528\u8bbe\u8ba1\u672c\u8eab\u7684\u8584\u5f31\u4e4b\u5904\u3002<\/p>\n

  \u5b58\u50a8\u4e0e\u6302\u8f7d\u4f9d\u8d56\u540c\u6837\u5173\u952e<\/strong><\/h2>\n

  \u90a3\u4e9b\u4f1a\u8bbf\u95ee\u6570\u636e\u5377\u3001\u8fdc\u7a0b\u6587\u4ef6\u7cfb\u7edf\u6216\u52a8\u6001\u751f\u6210\u6302\u8f7d\u70b9\u7684\u670d\u52a1\uff0c\u7ecf\u5e38\u56e0\u4e3a\u6302\u8f7d\u65f6\u673a\u95ee\u9898\u800c\u5931\u8d25\uff0c\u800c\u8fd9\u79cd\u8868\u73b0\u53c8\u5f88\u5bb9\u6613\u88ab\u8bef\u5224\u6210\u7f51\u7edc\u5ef6\u8fdf\u3002\u5728\u5f88\u591a\u670d\u52a1\u5668\u79df\u7528\u573a\u666f\u4e2d\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e8c\u8fdb\u5236\u6587\u4ef6\u5728\u672c\u5730\uff0c\u4f46\u72b6\u6001\u6587\u4ef6\u3001\u7f13\u5b58\u6216\u5feb\u7167\u5219\u4f4d\u4e8e\u5176\u4ed6\u4f4d\u7f6e\u3002\u5982\u679c\u6302\u8f7d\u8fd8\u6ca1\u6709\u5b8c\u6210\uff0c\u670d\u52a1\u5c31\u53ef\u80fd\u9488\u5bf9\u4e00\u4e2a\u7a7a\u8def\u5f84\u542f\u52a8\uff0c\u521b\u5efa\u9519\u8bef\u76ee\u5f55\uff0c\u6216\u8fdb\u5165\u91cd\u8bd5\u5faa\u73af\u3002<\/p>\n

  \u7cfb\u7edf\u7ba1\u7406\u624b\u518c\u8bf4\u660e\uff0c\u5f88\u591a\u6302\u8f7d\u4f9d\u8d56\u5173\u7cfb\u4f1a\u5728\u82e5\u5e72\u573a\u666f\u4e0b\u81ea\u52a8\u751f\u6210\uff0c\u5c24\u5176\u662f\u901a\u8fc7 fstab \u5904\u7406\u4ee5\u53ca\u76ee\u6807\u4e4b\u95f4\u7684\u5173\u8054\u5173\u7cfb\u3002\u8fd9\u5f53\u7136\u6709\u5e2e\u52a9\uff0c\u4f46\u5e76\u4e0d\u80fd\u66ff\u4ee3\u5bf9\u5e94\u7528\u5b9e\u9645\u5047\u8bbe\u7684\u5efa\u6a21\u3002\u5982\u679c\u4f60\u7684\u670d\u52a1\u786e\u5b9e\u4f9d\u8d56\u67d0\u4e2a\u6302\u8f7d\u70b9\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\uff0c\u90a3\u4e48\u5c31\u5e94\u8be5\u8ba9\u5b83\u5728\u987a\u5e8f\u4e0a\u4f9d\u8d56\u8be5\u6302\u8f7d\u5355\u5143\uff0c\u6216\u8005\u4f9d\u8d56\u80fd\u591f\u4fdd\u8bc1\u8be5\u6302\u8f7d\u5c31\u7eea\u7684\u76ee\u6807\u3002<\/p>\n

  \n
  • \u5f53\u670d\u52a1\u9700\u8981\u67d0\u4e2a\u5177\u4f53\u8def\u5f84\u65f6\uff0c\u5e94\u5bf9\u76f8\u5e94\u6302\u8f7d\u5355\u5143\u5efa\u7acb\u987a\u5e8f\u5173\u7cfb<\/li>\n
  • \u5f53\u670d\u52a1\u5c5e\u4e8e\u66f4\u5e7f\u4e49\u7684\u542f\u52a8\u9636\u6bb5\u65f6\uff0c\u53ef\u4ee5\u4f9d\u8d56\u67d0\u4e2a\u76ee\u6807<\/li>\n
  • \u907f\u514d\u201c\u5230\u65f6\u5019\u76ee\u5f55\u81ea\u7136\u4f1a\u5b58\u5728\u201d\u8fd9\u79cd\u9690\u6027\u5047\u8bbe<\/li>\n<\/ul>\n

    \u4f18\u5148\u4f7f\u7528\u8986\u76d6\u914d\u7f6e\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4fee\u6539\u539f\u59cb Unit<\/strong><\/h2>\n

    \u4ece\u53ef\u7ef4\u62a4\u6027\u89d2\u5ea6\u770b\uff0c\u9664\u975e\u4f60\u5b8c\u5168\u638c\u63a7\u6574\u4e2a\u7cfb\u7edf\u955c\u50cf\u751f\u547d\u5468\u671f\uff0c\u5426\u5219\u4e0d\u8981\u76f4\u63a5\u4fee\u6539\u7cfb\u7edf\u81ea\u5e26\u7684 unit \u6587\u4ef6\u3002\u66f4\u6574\u6d01\u7684\u65b9\u6cd5\u662f\u521b\u5efa override\u3002unit \u6587\u6863\u63cf\u8ff0\u4e86\u672c\u5730 override \u548c\u542f\u7528\u673a\u5236\u7684\u6807\u51c6\u505a\u6cd5\uff0c\u8fd9\u6837\u53ef\u4ee5\u8ba9\u4f60\u7684\u53d8\u66f4\u66f4\u52a0\u660e\u786e\uff0c\u4e5f\u66f4\u5bb9\u6613\u56de\u6eda\u3002<\/p>\n

    \u4e00\u4e2a\u5b9e\u7528\u7684 override \u7b56\u7565\u901a\u5e38\u5305\u62ec\uff1a<\/p>\n

    \n
    • \u4e3a\u771f\u6b63\u7684\u524d\u7f6e\u6761\u4ef6\u8865\u5145\u7f3a\u5931\u7684 After=<\/code> \u89c4\u5219<\/li>\n
    • \u53ea\u6709\u5728\u786e\u5b9e\u9700\u8981\u628a\u4f9d\u8d56\u5bf9\u8c61\u4e00\u5e76\u62c9\u8d77\u65f6\uff0c\u624d\u589e\u52a0 Wants=<\/code><\/li>\n
    • \u9664\u975e\u5fc5\u987b\u6539\u53d8\u670d\u52a1\u8fdb\u5165\u542f\u52a8\u6d41\u7a0b\u7684\u65b9\u5f0f\uff0c\u5426\u5219\u4e0d\u8981\u8f7b\u6613\u6539\u52a8\u5b89\u88c5\u76ee\u6807<\/li>\n
    • \u7f16\u8f91\u540e\u91cd\u65b0\u52a0\u8f7d unit \u5143\u6570\u636e<\/li>\n<\/ul>\n

      \u5728\u670d\u52a1\u5668\u6258\u7ba1\u6216\u57fa\u4e8e\u955c\u50cf\u7684\u670d\u52a1\u5668\u79df\u7528\u6d41\u7a0b\u4e2d\uff0c\u8fd9\u4e00\u70b9\u5c24\u5176\u91cd\u8981\uff0c\u56e0\u4e3a\u5e95\u5c42\u7cfb\u7edf\u66f4\u65b0\u53ef\u80fd\u4f1a\u8986\u76d6\u672c\u5730\u7684\u539f\u59cb\u5047\u8bbe\u3002override \u5f80\u5f80\u66f4\u5bb9\u6613\u4fdd\u7559\uff0c\u4e5f\u66f4\u65b9\u4fbf\u5728\u4e8b\u6545\u590d\u76d8\u65f6\u5ba1\u8ba1\u3002<\/p>\n

      \u4e00\u4e2a\u66f4\u7b26\u5408\u6781\u5ba2\u601d\u7ef4\u7684\u793a\u4f8b\u6a21\u5f0f<\/strong><\/h2>\n

      \u5047\u8bbe\u6709\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5b83\u4f1a\u7ed1\u5b9a\u5230\u4e00\u4e2a\u7531\u8fdc\u7aef\u652f\u6491\u7684\u914d\u7f6e\u6e90\uff0c\u9700\u8981\u5411\u4e00\u4e2a\u5df2\u6302\u8f7d\u7684\u6570\u636e\u8def\u5f84\u5199\u5165\u5185\u5bb9\uff0c\u5e76\u4e14\u53ea\u6709\u5728\u8f7d\u5165\u8fd0\u884c\u65f6\u72b6\u6001\u4e4b\u540e\u624d\u4f1a\u771f\u6b63\u5bf9\u5916\u5f00\u653e\u7aef\u53e3\u3002\u5982\u679c\u5b83\u542f\u52a8\u5f97\u592a\u65e9\uff0c\u7cfb\u7edf\u5c42\u9762\u770b\u4f3c\u542f\u52a8\u6210\u529f\uff0c\u4f46\u670d\u52a1\u4f1a\u843d\u5165\u964d\u7ea7\u6a21\u5f0f\uff1b\u5982\u679c\u5b83\u542f\u52a8\u5f97\u592a\u665a\uff0c\u4e0a\u6e38\u4efb\u52a1\u53ef\u80fd\u5df2\u7ecf\u8d85\u65f6\u3002\u89e3\u51b3\u65b9\u6848\u4e0d\u662f\u7528\u4e00\u4e2a\u7c97\u66b4\u7684\u201c\u5927\u4e00\u7edf\u4f9d\u8d56\u9524\u201d\u53bb\u7838\uff0c\u800c\u662f\u6784\u5efa\u4e00\u5f20\u6700\u5c0f\u800c\u7cbe\u786e\u7684\u4f9d\u8d56\u56fe\u3002<\/p>\n

      \n
      1. \u8ba9\u8be5\u5b88\u62a4\u8fdb\u7a0b\u6392\u5728\u5b83\u6240\u8bfb\u53d6\u7684\u90a3\u4e2a\u5177\u4f53\u6302\u8f7d\u70b9\u4e4b\u540e\u542f\u52a8<\/li>\n
      2. \u53ea\u6709\u5728\u786e\u5b9e\u9700\u8981\u8fdc\u7a0b\u8fde\u901a\u6027\u65f6\uff0c\u624d\u62c9\u5165\u5e76\u6392\u5e8f\u5230\u5728\u7ebf\u7f51\u7edc\u4e4b\u540e<\/li>\n
      3. \u53ea\u6709\u5f53\u524d\u7f6e\u672c\u5730\u8f85\u52a9\u670d\u52a1\u5931\u8d25\u5c31\u5fc5\u987b\u7ec8\u6b62\u81ea\u8eab\u542f\u52a8\u65f6\uff0c\u624d\u58f0\u660e\u5f3a\u4f9d\u8d56<\/li>\n
      4. \u4e0d\u8981\u628a\u65e0\u5173\u76ee\u6807\u585e\u8fdb unit\uff0c\u907f\u514d\u4eba\u4e3a\u653e\u5927\u542f\u52a8\u6210\u672c<\/li>\n<\/ol>\n

         \u8fd9\u624d\u662f\u7cfb\u7edf\u5de5\u7a0b\u8bed\u5883\u4e0b\u201c\u66f4\u65e9\u542f\u52a8\u201d\u7684\u771f\u6b63\u542b\u4e49\uff1a\u51cf\u5c11\u6b67\u4e49\uff0c\u800c\u4e0d\u662f\u76f2\u76ee\u8ffd\u6c42\u66f4\u4f4e\u5ef6\u8fdf\u3002<\/p>\n

         \u90a3\u4e9b\u4f1a\u5236\u9020\u8106\u5f31\u542f\u52a8\u903b\u8f91\u7684\u5e38\u89c1\u9519\u8bef<\/strong><\/h2>\n

         \n
         • \u628a\u542f\u7528\u72b6\u6001\u8bef\u8ba4\u4e3a\u4f18\u5148\u7ea7<\/li>\n
         • \u628a sleep \u5ef6\u65f6\u5f53\u4f5c\u957f\u671f\u67b6\u6784\u65b9\u6848<\/li>\n
         • \u5728\u672c\u5e94\u4f7f\u7528\u8f6f\u4f9d\u8d56\u7684\u5730\u65b9\u6ee5\u52a0\u5f3a\u4f9d\u8d56<\/li>\n
         • \u4f9d\u8d56\u8fc7\u4e8e\u6cdb\u5316\u7684\u76ee\u6807\uff0c\u800c\u4e0d\u662f\u7cbe\u786e unit<\/li>\n
         • \u5728\u589e\u52a0\u542f\u52a8\u987a\u5e8f\u65f6\u5ffd\u7565\u5173\u673a\u884c\u4e3a<\/li>\n<\/ul>\n

           \u4e00\u4e2a\u7279\u522b\u68d8\u624b\u7684\u9519\u8bef\u662f\u5230\u5904\u4f7f\u7528 Requires=<\/code>\u3002\u5b98\u65b9 unit \u53c2\u8003\u6587\u6863\u6307\u51fa\uff0c\u9700\u6c42\u4f9d\u8d56\u672c\u8eab\u5e76\u4e0d\u4f1a\u81ea\u52a8\u65bd\u52a0\u987a\u5e8f\u7ea6\u675f\uff0c\u800c\u8fc7\u5ea6\u4e25\u683c\u7684\u8026\u5408\u8fd8\u53ef\u80fd\u5728\u4e00\u4e2a\u975e\u5173\u952e\u5355\u5143\u5931\u8d25\u65f6\u524a\u5f31\u6574\u4f53\u97e7\u6027\u3002\u5f88\u591a\u65f6\u5019\uff0cWants=<\/code> \u914d\u5408\u663e\u5f0f\u987a\u5e8f\u624d\u662f\u66f4\u597d\u7684\u8bbe\u8ba1\u3002<\/p>\n

           \u4ec0\u4e48\u65f6\u5019\u53ef\u4ee5\u63a5\u53d7\u5ef6\u65f6<\/strong><\/h2>\n

           \u5728\u67d0\u4e9b\u8fb9\u754c\u573a\u666f\u4e2d\uff0c\u53d7\u63a7\u5ef6\u65f6\u662f\u5408\u7406\u7684\uff0c\u4f8b\u5982\u786c\u4ef6\u9884\u70ed\u3001\u5e26\u6709\u56fa\u5b9a\u91cd\u8bd5\u8bed\u4e49\u7684\u9057\u7559\u8f6f\u4ef6\uff0c\u6216\u8005\u8fc1\u79fb\u7a97\u53e3\u4e2d\u4e3a\u4e86\u5e73\u7a33\u8fc7\u6e21\u800c\u8bbe\u7f6e\u7684\u4e34\u65f6\u6865\u63a5\u65b9\u6848\u3002\u4f46\u8981\u628a\u5ef6\u65f6\u89c6\u4e3a\u6218\u672f\u624b\u6bb5\uff0c\u800c\u4e0d\u662f\u67b6\u6784\u8bbe\u8ba1\u3002<\/p>\n

           \u5982\u679c\u4f60\u786e\u5b9e\u5f15\u5165\u4e86\u5ef6\u65f6\uff0c\u5c31\u5e94\u8be5\u660e\u786e\u8bb0\u5f55\u5b83\u4e3a\u4ec0\u4e48\u5b58\u5728\u3001\u5728\u4ec0\u4e48\u4fe1\u53f7\u51fa\u73b0\u540e\u53ef\u4ee5\u5220\u6389\uff0c\u4ee5\u53ca\u5b83\u5b9e\u9645\u4e0a\u662f\u5728\u8865\u507f\u54ea\u4e00\u4e2a\u771f\u5b9e\u4f9d\u8d56\u3002\u5426\u5219\uff0c\u516d\u4e2a\u6708\u4e4b\u540e\uff0c\u4f60\u7684\u542f\u52a8\u94fe\u91cc\u7559\u4e0b\u7684\u5c31\u4e0d\u662f\u5de5\u7a0b\u8bbe\u8ba1\uff0c\u800c\u662f\u8fd0\u7ef4\u8ff7\u4fe1\u3002<\/p>\n

           \u91cd\u542f\u540e\u5982\u4f55\u9a8c\u8bc1\u4fee\u590d\u662f\u5426\u751f\u6548<\/strong><\/h2>\n

           \u9a8c\u8bc1\u6d41\u7a0b\u5fc5\u987b\u662f\u53ef\u91cd\u590d\u7684\u3002\u5728\u8c03\u6574 unit \u4f9d\u8d56\u56fe\u4e4b\u540e\uff1a<\/p>\n

           \n
           1. \u91cd\u65b0\u52a0\u8f7d unit \u5b9a\u4e49<\/li>\n
           2. \u91cd\u542f\u53d7\u5f71\u54cd\u7684\u670d\u52a1\uff0c\u5c3d\u65e9\u66b4\u9732\u8bed\u6cd5\u95ee\u9898<\/li>\n
           3. \u91cd\u542f\u8282\u70b9\u5e76\u68c0\u67e5\u8be5\u6b21\u542f\u52a8\u5468\u671f\u7684 journal<\/li>\n
           4. \u786e\u8ba4\u4f9d\u8d56\u94fe\u548c\u5b9e\u9645\u751f\u6548\u7684\u987a\u5e8f<\/li>\n
           5. \u6d4b\u8bd5\u670d\u52a1\u884c\u4e3a\uff0c\u800c\u4e0d\u53ea\u662f\u67e5\u770b\u670d\u52a1\u72b6\u6001<\/li>\n<\/ol>\n

              \u6700\u540e\u4e00\u6761\u5c24\u5176\u5173\u952e\u3002\u201cActive\u201d \u5e76\u4e0d\u7b49\u4e8e \u201cReady\u201d\u3002\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u80fd\u5df2\u7ecf\u5b58\u6d3b\uff0c\u4f46\u5982\u679c\u5957\u63a5\u5b57\u3001\u6587\u4ef6\u3001\u8def\u7531\u6216\u51ed\u8bc1\u4ecd\u672a\u51c6\u5907\u597d\uff0c\u5b83\u4f9d\u7136\u662f\u4e0d\u53ef\u7528\u7684\u3002\u5728\u670d\u52a1\u5668\u79df\u7528\u8fd0\u7ef4\u4e2d\uff0c\u6062\u590d\u8d28\u91cf\u5f80\u5f80\u6bd4\u4e00\u4e2a\u7eff\u8272\u72b6\u6001\u6807\u8bb0\u66f4\u91cd\u8981\u3002<\/p>\n

              \u7ed9\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u56e2\u961f\u7684\u8fd0\u7ef4\u5efa\u8bae<\/strong><\/h2>\n

              \u5982\u679c\u4f60\u7ba1\u7406\u7684\u662f\u4e00\u7ec4\u8282\u70b9\uff0c\u90a3\u4e48\u542f\u52a8\u987a\u5e8f\u5c31\u5e94\u8be5\u88ab\u5f53\u4f5c\u4ee3\u7801\u6765\u7ba1\u7406\u3002\u4ee5\u4e0b\u4e60\u60ef\u4f1a\u5e26\u6765\u660e\u663e\u6536\u76ca\uff1a<\/p>\n

              \n
              • \u8bb0\u5f55\u6bcf\u4e00\u4e2a\u975e\u9ed8\u8ba4\u4f9d\u8d56\u5b58\u5728\u7684\u539f\u56e0<\/li>\n
              • \u8ba9 override \u5c3d\u91cf\u4fdd\u6301\u5c0f\u800c\u6613\u5ba1\u67e5<\/li>\n
              • \u5206\u522b\u6d4b\u8bd5\u51b7\u542f\u52a8\u548c\u70ed\u91cd\u542f<\/li>\n
              • \u5728\u4f18\u5316\u542f\u52a8\u987a\u5e8f\u540e\uff0c\u540c\u65f6\u9a8c\u8bc1\u5173\u673a\u884c\u4e3a<\/li>\n
              • \u5728\u64cd\u4f5c\u7cfb\u7edf\u955c\u50cf\u6216\u5185\u6838\u53d8\u66f4\u540e\u5ba1\u8ba1\u76f8\u5173 unit<\/li>\n<\/ul>\n

                \u8fd9\u79cd\u7eaa\u5f8b\u5728\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u573a\u666f\u4e2d\u90fd\u5f88\u6709\u4ef7\u503c\uff0c\u56e0\u4e3a\u91cd\u542f\u5b89\u5168\u4ece\u6765\u4e0d\u53ea\u662f\u5355\u673a\u95ee\u9898\u3002\u5b83\u4f1a\u5f71\u54cd\u7f16\u6392\u65f6\u5e8f\u3001\u6545\u969c\u5207\u6362\u8d28\u91cf\uff0c\u4ee5\u53ca\u6bcf\u4e00\u6b21\u7ef4\u62a4\u7a97\u53e3\u7684\u53ef\u4fe1\u5ea6\u3002<\/p>\n

                \u7ed3\u8bed<\/strong><\/h2>\n

                \u5f53\u4e00\u4e2a\u670d\u52a1\u5728\u91cd\u542f\u540e\u603b\u662f\u6700\u540e\u542f\u52a8\u65f6\uff0c\u6839\u56e0\u901a\u5e38\u662f\u4e0d\u5b8c\u6574\u7684\u4f9d\u8d56\u5efa\u6a21\uff0c\u800c\u4e0d\u662f\u574f\u8fd0\u6c14\u3002\u8bf7\u4ece unit\u3001target\u3001mount \u548c\u5c31\u7eea\u4fe1\u53f7\u7684\u89d2\u5ea6\u53bb\u601d\u8003\u3002\u7528\u987a\u5e8f\u5173\u7cfb\u5b9a\u4e49\u5148\u540e\uff0c\u7528\u62c9\u8d77\u5173\u7cfb\u5b9a\u4e49\u53c2\u4e0e\u8303\u56f4\uff0c\u7528 override \u4fdd\u8bc1\u53ef\u7ef4\u62a4\u6027\u3002\u6700\u91cd\u8981\u7684\u662f\uff0c\u51c6\u786e\u5efa\u6a21\u8fd9\u4e2a\u670d\u52a1\u771f\u6b63\u9700\u8981\u4ec0\u4e48\uff0c\u800c\u4e0d\u662f\u51ed\u611f\u89c9\u53bb\u731c\u6d4b\u7cfb\u7edf\u201c\u5e94\u8be5\u600e\u4e48\u542f\u52a8\u201d\u3002\u8fd9\u6837\u505a\uff0c\u624d\u80fd\u8ba9 Linux \u670d\u52a1\u542f\u52a8\u987a\u5e8f\u66f4\u52a0\u7a33\u5b9a\uff0c\u8ba9\u670d\u52a1\u542f\u52a8\u65f6\u5e8f\u66f4\u5bb9\u6613\u7406\u89e3\uff0c\u4e5f\u80fd\u628a\u670d\u52a1\u5668\u79df\u7528\u4e8b\u6545\u8f6c\u5316\u4e3a\u53ef\u89e3\u51b3\u7684\u5de5\u7a0b\u95ee\u9898\uff0c\u800c\u4e0d\u662f\u91cd\u542f\u7384\u5b66\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                \u5728\u771f\u5b9e\u7684\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u4e2d\uff0c\u6709\u4e00\u79cd\u4ee4\u4eba\u5934\u75bc\u7684\u542f\u52a8\u95ee\u9898\u4f1a\u53cd\u590d\u51fa\u73b0\uff1a\u67d0\u4e2a\u670d\u52a1\u5728\u7cfb\u7edf\u91cd\u542f\u540e\u786e\u5b9e\u4f1a\u542f\u52a8\uff0c\u4f46\u542f\u52a8\u5f97\u592a\u665a\uff0c\u665a\u5230\u5df2\u7ecf\u5931\u53bb\u5b9e\u9645\u4ef7\u503c\u3002\u8fd9\u901a\u5e38\u4f1a\u5bfc\u81f4\u4efb\u52a1\u6267\u884c\u5668\u3001API \u76d1\u542c\u5668\u3001\u6587\u4ef6\u540c\u6b65\u4efb\u52a1\uff0c\u6216\u4efb\u4f55\u5e0c\u671b\u7cfb\u7edf\u4e00\u8fdb\u5165\u7528\u6237\u6001\u5c31\u4fdd\u6301\u4e00\u81f4\u6027\u7684\u7ec4\u4ef6\u51fa\u73b0\u5f02\u5e38\u3002\u597d\u6d88\u606f\u662f\uff0c\u8fd9\u7c7b\u95ee\u9898\u901a\u5e38\u5e76\u4e0d\u795e\u79d8\u3002\u5728\u73b0\u4ee3 Linux \u4e2d\uff0c\u542f\u52a8\u65f6\u673a\u672c\u8d28\u4e0a\u5927\u591a\u662f\u4e00\u4e2a\u4f9d\u8d56\u5173\u7cfb\u56fe\u95ee\u9898\uff0c\u800c\u4e0d\u662f\u968f\u673a\u7ade\u6001\u3002\u4e00\u65e6\u4f60\u80fd\u591f\u6b63\u786e\u8bfb\u61c2\u8fd9\u5f20\u4f9d\u8d56\u56fe\uff0c\u542f\u52a8\u987a\u5e8f\u5c31\u4f1a\u53d8\u5f97\u53ef\u9884\u6d4b\uff0c\u4e5f\u5c31\u53ef\u4ee5\u88ab\u4fee\u590d\u3002 \u7b2c\u4e00\u4e2a\u9700\u8981\u5efa\u7acb\u7684\u8ba4\u77e5\u975e\u5e38\u7b80\u5355\uff1a\u201cenabled\u201d \u5e76\u4e0d\u7b49\u4e8e\u201c\u9ad8\u4f18\u5148\u7ea7\u201d\u3002\u4e00\u4e2a\u670d\u52a1\u5373\u4f7f\u88ab\u8bbe\u7f6e\u4e3a\u5f00\u673a\u542f\u7528\uff0c\u4ecd\u7136\u53ef\u80fd\u5728\u5b83\u672c\u5e94\u670d\u52a1\u7684\u7ec4\u4ef6\u4e4b\u540e\u542f\u52a8\uff0c\u6216\u8005\u5728\u5b83\u771f\u6b63\u4f9d\u8d56\u7684\u8d44\u6e90\u51c6\u5907\u5b8c\u6210\u4e4b\u524d\u5c31\u542f\u52a8\u3002\u5f53\u524d\u7cfb\u7edf\u7ba1\u7406\u6587\u6863\u660e\u786e\u8bf4\u660e\uff0c\u542f\u52a8\u987a\u5e8f\u7531 After= \u548c Before= \u8fd9\u7c7b\u5173\u7cfb\u63a7\u5236\uff0c\u800c\u50cf Wants= \u548c Requires= \u8fd9\u6837\u7684\u9700\u6c42\u5173\u7cfb\uff0c\u51b3\u5b9a\u7684\u662f\u54ea\u4e9b\u5355\u5143\u4f1a\u88ab\u4e00\u5e76\u62c9\u8d77\uff0c\u800c\u4e0d\u662f\u5355\u72ec\u51b3\u5b9a\u7cbe\u786e\u987a\u5e8f\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679c\u4f60\u53ea\u662f\u542f\u7528\u4e86\u4e00\u4e2a unit\uff0c\u5374\u4ece\u672a\u4e3a\u5b83\u5efa\u6a21\u4f9d\u8d56\u5173\u7cfb\uff0c\u90a3\u4e48\u542f\u52a8\u4e8b\u52a1\u4ecd\u7136\u53ef\u80fd\u8ba9\u4f60\u610f\u5916\u3002 \u4e3a\u4ec0\u4e48\u67d0\u4e2a\u670d\u52a1\u603b\u662f\u6700\u540e\u542f\u52a8 \u4e00\u4e2a\u603b\u662f\u5728\u542f\u52a8\u6d41\u7a0b\u5c3e\u90e8\u624d\u51fa\u73b0\u7684\u670d\u52a1\uff0c\u901a\u5e38\u5e76\u4e0d\u662f\u88ab\u7cfb\u7edf\u201c\u6545\u610f\u6392\u540e\u201d\u3002\u66f4\u5e38\u89c1\u7684\u60c5\u51b5\u662f\uff0c\u5b83\u6b63\u5728\u7b49\u5f85\u4ee5\u4e0b\u4e09\u7c7b\u6761\u4ef6\u4e4b\u4e00\uff1a \u7f51\u7edc\u53ef\u7528\u6027\uff0c\u4f46\u8fd9\u4e00\u70b9\u4ece\u672a\u88ab\u6b63\u786e\u8868\u8fbe \u5b58\u50a8\u6216\u6302\u8f7d\u5c31\u7eea\u72b6\u6001\uff0c\u4f46\u53ea\u662f\u88ab\u60f3\u5f53\u7136\u5730\u5047\u8bbe\u5b58\u5728 \u53e6\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u3001\u5957\u63a5\u5b57\u3001\u8def\u5f84\u6216\u76ee\u6807\uff0c\u800c\u8fd9\u4e9b\u624d\u662f\u5176\u771f\u5b9e\u8fd0\u884c\u5951\u7ea6\u7684\u4e00\u90e8\u5206 \u8fd8\u6709\u7b2c\u56db\u79cd\u60c5\u51b5\u4e5f\u5f88\u5bb9\u6613\u8bef\u5bfc\u6280\u672f\u56e2\u961f\uff1a\u8fd9\u4e2a\u670d\u52a1\u6839\u672c\u4e0d\u662f\u88ab\u542f\u52a8\u987a\u5e8f\u963b\u585e\uff0c\u800c\u662f\u88ab\u5b83\u81ea\u8eab\u7684\u542f\u52a8\u8def\u5f84\u62d6\u6162\u3002\u5b83\u53ef\u80fd\u5728\u82b1\u65f6\u95f4\u8fdb\u884c\u91cd\u8bd5\u3001\u7b49\u5f85\u8d85\u65f6\u3001\u4e89\u62a2\u9501\u3001\u5904\u7406\u8fc7\u671f PID\uff0c\u6216\u6267\u884c\u7f13\u6162\u7684\u521d\u59cb\u5316\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u95ee\u9898\u7684\u5173\u952e\u4e0d\u5728\u4e8e\u542f\u52a8\u987a\u5e8f\uff0c\u56e0\u6b64\u8c03\u6574\u987a\u5e8f\u5e76\u4e0d\u80fd\u6cbb\u597d\u4e00\u4e2a\u751f\u547d\u5468\u671f\u672c\u8eab\u5c31\u8bbe\u8ba1\u4e0d\u4f73\u7684\u8fdb\u7a0b\u3002 \u53e6\u4e00\u4e2a\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u7ec6\u8282\uff0c\u662f\u201c\u7f51\u7edc\u6808\u5df2\u7ecf\u542f\u52a8\u201d\u548c\u201c\u7f51\u7edc\u5df2\u7ecf\u771f\u6b63\u53ef\u7528\u201d\u4e4b\u95f4\u7684\u533a\u522b\u3002\u5b98\u65b9\u8bf4\u660e\u5bf9\u6b64\u975e\u5e38\u660e\u786e\uff1anetwork.target \u4e3b\u8981\u662f\u4e00\u4e2a\u540c\u6b65\u70b9\uff0c\u5c24\u5176\u5e38\u7528\u4e8e\u4f18\u96c5\u5173\u673a\u65f6\u7684\u987a\u5e8f\u63a7\u5236\uff1b\u800c network-online.target \u5219\u662f\u7ed9\u90a3\u4e9b\u786e\u5b9e\u9700\u8981\u5df2\u914d\u7f6e\u5b8c\u6210\u7f51\u7edc\u8fde\u63a5\u7684\u5355\u5143\u51c6\u5907\u7684\u3002\u540e\u8005\u901a\u5e38\u4e0d\u4f1a\u81ea\u52a8\u6210\u4e3a\u542f\u52a8\u6d41\u7a0b\u7684\u4e00\u90e8\u5206\uff0c\u9664\u975e\u6709\u5176\u4ed6\u5355\u5143\u4e3b\u52a8\u5c06\u5b83\u62c9\u5165\u3002 \u542f\u52a8\u987a\u5e8f\u5230\u5e95\u662f\u5982\u4f55\u5de5\u4f5c\u7684 \u8bb8\u591a\u5de5\u7a0b\u5e08\u4ecd\u7136\u628a\u7cfb\u7edf\u542f\u52a8\u7406\u89e3\u6210\u4e00\u6761\u7ebf\u6027\u7684\u961f\u5217\uff0c\u8fd9\u79cd\u6a21\u578b\u5df2\u7ecf\u8fc7\u65f6\u3002\u73b0\u4ee3 Linux \u542f\u52a8\u66f4\u50cf\u662f\u4e00\u5f20\u6709\u5411\u56fe\uff0c\u53ea\u8981\u6ca1\u6709\u7ea6\u675f\uff0c\u4e0d\u540c\u7684 unit \u5c31\u53ef\u4ee5\u5e76\u884c\u542f\u52a8\u3002\u5b83\u5e26\u6765\u7684\u5b9e\u9645\u542b\u4e49\u662f\uff1a After= \u548c Before= \u51b3\u5b9a\u5148\u540e\u987a\u5e8f Wants= \u548c Requires= \u51b3\u5b9a\u8c01\u4f1a\u88ab\u4e00\u5e76\u62c9\u8d77 \u5982\u679c\u6ca1\u6709\u663e\u5f0f\u987a\u5e8f\u7ea6\u675f\uff0c\u591a\u4e2a unit \u53ef\u4ee5\u540c\u65f6\u542f\u52a8 \u5173\u673a\u987a\u5e8f\u4e0e\u542f\u52a8\u987a\u5e8f\u76f8\u53cd \u6700\u540e\u4e00\u6761\u5c24\u5176\u5bb9\u6613\u88ab\u5ffd\u89c6\u3002\u5b98\u65b9 unit \u6587\u6863\u6307\u51fa\uff0c\u5982\u679c\u4e00\u4e2a\u5355\u5143\u88ab\u5b9a\u4e49\u4e3a After= \u53e6\u4e00\u4e2a\u5355\u5143\uff0c\u90a3\u4e48\u5728\u5173\u673a\u65f6\uff0c\u5b83\u4e5f\u4f1a\u5148\u4e8e\u540e\u8005\u505c\u6b62\u3002\u8fd9\u8bf4\u660e\u542f\u52a8\u987a\u5e8f\u4f18\u5316\u5e76\u4e0d\u53ea\u662f\u4e3a\u4e86\u5f00\u673a\u66f4\u5feb\uff0c\u5b83\u540c\u6837\u4f1a\u5f71\u54cd\u91cd\u542f\u5b89\u5168\u6027\u4ee5\u53ca\u4f18\u96c5\u9000\u51fa\u884c\u4e3a\u3002 \u540c\u6837\u91cd\u8981\u7684\u662f\u8981\u8bb0\u4f4f\uff0c\u9700\u6c42\u4f9d\u8d56\u672c\u8eab\u5e76\u4e0d\u4f1a\u81ea\u52a8\u4fdd\u8bc1\u6267\u884c\u987a\u5e8f\u3002\u6587\u6863\u6307\u51fa\uff0c\u5982\u679c\u4e00\u4e2a\u5355\u5143\u901a\u8fc7 Wants= \u62c9\u8d77\u53e6\u4e00\u4e2a\u5355\u5143\uff0c\u4f46\u6ca1\u6709\u540c\u65f6\u8bbe\u7f6e After= \u6216 Before=\uff0c\u90a3\u4e48\u4e24\u8005\u4ecd\u7136\u53ef\u80fd\u5e76\u884c\u5f00\u59cb\u542f\u52a8\u3002\u8fd9\u6b63\u662f\u8bb8\u591a\u670d\u52a1\u5728\u91cd\u542f\u540e\u8868\u73b0\u5f97\u201c\u50cf\u662f\u968f\u673a\u542f\u52a8\u201d\u7684\u5178\u578b\u539f\u56e0\u3002 […]<\/p>\n

                Read More…<\/a><\/p>\n","protected":false},"author":1,"featured_media":35703,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8117],"tags":[14187,14188,14189,14190],"class_list":["post-35706","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-japan-dedicated-server-sc","tag-linux-service-boot-order","tag-service-startup-sequence","tag-system-boot-dependency","tag-startup-troubleshooting"],"acf":[],"yoast_head":"\n