{"id":137235,"date":"2022-02-15T08:38:35","date_gmt":"2022-02-15T00:38:35","guid":{"rendered":"http:\/\/www.idc.net\/help\/137235\/"},"modified":"2022-02-15T08:38:35","modified_gmt":"2022-02-15T00:38:35","slug":"linux%e7%99%bb%e5%bd%95%e9%97%ae%e9%a2%98%ef%bc%9a%e5%af%86%e7%a0%81%e6%ad%a3%e7%a1%ae%e5%8d%b4%e6%97%a0%e6%b3%95%e8%bf%9b%e5%85%a5%e7%b3%bb%e7%bb%9f%ef%bc%9f-linux%e6%ad%a3%e7%a1%ae%e5%af%86","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/137235\/","title":{"rendered":"Linux\u767b\u5f55\u95ee\u9898\uff1a\u5bc6\u7801\u6b63\u786e\u5374\u65e0\u6cd5\u8fdb\u5165\u7cfb\u7edf\uff1f (linux\u6b63\u786e\u5bc6\u7801\u65e0\u6cd5\u767b\u9646)"},"content":{"rendered":"<p>Linux\u4f5c\u4e3a\u4e00\u6b3e\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5728\u8ba1\u7b97\u673a\u754c\u4e2d\u4e00\u76f4\u88ab\u8ba4\u4e3a\u662f\u6700\u53ef\u9760\u7684\u7cfb\u7edf\u4e4b\u4e00\uff0c\u62e5\u6709\u5f3a\u5927\u7684\u5b89\u5168\u6027\u548c\u9ad8\u5ea6\u7684\u81ea\u7531\u5ea6\u3002\u7136\u800c\uff0c\u5373\u4f7f\u662f\u8fd9\u6837\u7684\u4e00\u4e2a\u7cfb\u7edf\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u4e5f\u4f1a\u9047\u5230\u4e00\u4e9b\u95ee\u9898\uff0c\u6bd4\u5982\u7528\u6237\u9047\u5230\u7684\u767b\u5f55\u95ee\u9898\u3002<\/p>\n<p>\u5f88\u591a\u7528\u6237\u5728\u4f7f\u7528Linux\u7cfb\u7edf\u65f6\uff0c\u4f1a\u9047\u5230\u8fd9\u6837\u7684\u60c5\u51b5\uff1a\u5728\u8f93\u5165\u6b63\u786e\u7684\u8d26\u53f7\u548c\u5bc6\u7801\u540e\uff0c\u7cfb\u7edf\u5374\u65e0\u6cd5\u8fdb\u5165\uff0c\u663e\u793a\u9519\u8bef\u63d0\u793a\u201cAccess denied\u201d\u6216\u201cPassword incorrect\u201d\u3002\u8fd9\u662f\u4ec0\u4e48\u539f\u56e0\u5462\uff1f\u7a76\u7adf\u8be5\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u5462\uff1f<\/p>\n<p>\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e0bLinux\u7cfb\u7edf\u8d26\u53f7\u4e0e\u5bc6\u7801\u7684\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n<p>Linux\u7cfb\u7edf\u8d26\u53f7\u4e0e\u5bc6\u7801<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a\u7528\u6237\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u8d26\u53f7\uff0c\u7528\u4e8e\u6807\u8bc6\u8fd9\u4e2a\u7528\u6237\u3002\u8d26\u53f7\u53c8\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff0c\u5373\u7cfb\u7edf\u8d26\u53f7\u548c\u7528\u6237\u8d26\u53f7\u3002<\/p>\n<p>\u7cfb\u7edf\u8d26\u53f7\u901a\u5e38\u7528\u4e8e\u8fd0\u884c\u7cfb\u7edf\u670d\u52a1\u6216\u5e94\u7528\u7a0b\u5e8f\u3002\u7cfb\u7edf\u8d26\u53f7\u901a\u5e38\u4e0d\u9700\u8981\u5bc6\u7801\uff0c\u800c\u662f\u88ab\u914d\u7f6e\u6210\u65e0\u6cd5\u767b\u5f55\u7684\u8d26\u53f7\u3002<\/p>\n<p>\u7528\u6237\u8d26\u53f7\u662f\u7528\u4e8e\u7528\u6237\u767b\u5f55\u7cfb\u7edf\u7684\u8d26\u53f7\u3002\u6bcf\u4e2a\u7528\u6237\u90fd\u62e5\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\uff0c\u901a\u8fc7\u8fd9\u4e2a\u7528\u6237\u540d\u548c\u5bc6\u7801\u624d\u53ef\u4ee5\u8fdb\u5165\u7cfb\u7edf\uff0c\u5e76\u4f7f\u7528\u7cfb\u7edf\u7684\u5404\u9879\u529f\u80fd\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u7528\u6237\u8d26\u53f7\u8fd8\u6709\u4e00\u4e9b\u91cd\u8981\u7684\u5c5e\u6027\uff0c\u5982\u7ec4ID\u3001\u4e3b\u76ee\u5f55\u3001Shell\u7b49\uff0c\u8fd9\u4e9b\u5c5e\u6027\u4f1a\u5f71\u54cd\u5230\u7528\u6237\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u8bbf\u95ee\u6743\u9650\u548c\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u7cfb\u7edf\u7684\u5b89\u5168\u6027\uff0cLinux\u7cfb\u7edf\u5f3a\u5236\u7528\u6237\u4f7f\u7528\u5bc6\u7801\u6765\u9a8c\u8bc1\u8eab\u4efd\u3002\u8fd9\u91cc\u6709\u4e00\u4e9b\u5e38\u89c1\u7684\u5bc6\u7801\u5b89\u5168\u8981\u6c42\uff1a<\/p>\n<p>1. \u5bc6\u7801\u957f\u5ea6\u81f3\u5c118\u4f4d\u4ee5\u4e0a<\/p>\n<p>2. \u5bc6\u7801\u4e2d\u5fc5\u987b\u5305\u542b\u6570\u5b57\u3001\u5927\u5199\u5b57\u6bcd\u3001\u5c0f\u5199\u5b57\u6bcd\u548c\u7279\u6b8a\u5b57\u7b26\u7b49\u5143\u7d20<\/p>\n<p>3. \u5bc6\u7801\u4e0d\u80fd\u4e0e\u7528\u6237\u540d\u3001\u751f\u65e5\u3001\u53f7\u7801\u7b49\u4e2a\u4eba\u4fe1\u606f\u6709\u5173<\/p>\n<p>4. \u5bc6\u7801\u4e0d\u80fd\u4e0e\u4e4b\u524d\u4f7f\u7528\u8fc7\u7684\u5bc6\u7801\u76f8\u540c<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u6539\u7528\u6237\u8d26\u53f7\u7684\u5bc6\u7801\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>passwd username<\/p>\n<p>\u5176\u4e2dusername\u662f\u8981\u4fee\u6539\u5bc6\u7801\u7684\u7528\u6237\u8d26\u53f7\u540d\u79f0\u3002\u6267\u884c\u8be5\u547d\u4ee4\u540e\uff0c\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u8f93\u5165\u65b0\u5bc6\u7801\u3002<\/p>\n<p>\u89e3\u51b3\u767b\u5f55\u95ee\u9898\u7684\u65b9\u6cd5<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6765\u770b\u770b\u89e3\u51b3Linux\u7cfb\u7edf\u767b\u5f55\u95ee\u9898\u7684\u65b9\u6cd5\u3002<\/p>\n<p>1. \u68c0\u67e5\u7528\u6237\u540d\u548c\u5bc6\u7801<\/p>\n<p>\u60a8\u9700\u8981\u786e\u4fdd\u60a8\u8f93\u5165\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u6b63\u786e\u7684\u3002\u5982\u679c\u8f93\u5165\u7684\u7528\u6237\u540d\u3001\u5bc6\u7801\u6709\u8bef\uff0c\u90a3\u4e48\u7cfb\u7edf\u4f1a\u663e\u793a\u201cAccess denied\u201d\u6216\u8005\u201cAuthentication error\u201d\u7684\u9519\u8bef\u4fe1\u606f\u3002\u56e0\u6b64\uff0c\u60a8\u9700\u8981\u518d\u6b21\u68c0\u67e5\u60a8\u8f93\u5165\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u5426\u6b63\u786e\u3002<\/p>\n<p>2. \u68c0\u67e5\u5bc6\u7801\u662f\u5426\u8fc7\u671f<\/p>\n<p>\u5728\u6709\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u4f60\u7684\u5bc6\u7801\u5df2\u7ecf\u8fc7\u671f\uff0c\u4e5f\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u767b\u5f55\u5931\u8d25\u3002\u5982\u679c\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\uff0c\u7cfb\u7edf\u4f1a\u63d0\u793a\u4f60\u66f4\u6539\u5bc6\u7801\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u66f4\u6539\u5bc6\u7801\uff1a<\/p>\n<p>passwd<\/p>\n<p>\u6267\u884c\u6b64\u547d\u4ee4\u540e\uff0c\u7cfb\u7edf\u4f1a\u63d0\u793a\u60a8\u8f93\u5165\u65e7\u5bc6\u7801\u3001\u65b0\u5bc6\u7801\u4ee5\u53ca\u65b0\u5bc6\u7801\u786e\u8ba4\u3002<\/p>\n<p>3. \u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\u662f\u5426\u53ea\u8bfb<\/p>\n<p>\u5982\u679c\u60a8\u7684\u6587\u4ef6\u7cfb\u7edf\u88ab\u6302\u8f7d\u4e3a\u53ea\u8bfb\uff0c\u5219\u60a8\u5c06\u65e0\u6cd5\u767b\u5f55\u5230\u7cfb\u7edf\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\u7684\u72b6\u6001\uff1a<\/p>\n<p>mount | grep -w \/<\/p>\n<p>\u5982\u679c\u8bbe\u5907\u7684\u6587\u4ef6\u7cfb\u7edf\u72b6\u6001\u662f\u201cro\u201d\uff08read-only\uff09\uff0c\u5219\u4f60\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u65b0\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\uff1a<\/p>\n<p>mount -o remount,rw \/<\/p>\n<p>\u6267\u884c\u540e\uff0c\u7cfb\u7edf\u4f1a\u91cd\u65b0\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\uff0c\u4f7f\u6587\u4ef6\u7cfb\u7edf\u53ef\u5199\u3002<\/p>\n<p>4. \u68c0\u67e5\u78c1\u76d8\u7a7a\u95f4<\/p>\n<p>\u5982\u679c\u4f60\u7684\u786c\u76d8\u7a7a\u95f4\u4e0d\u8db3\uff0c\u4f60\u4e5f\u65e0\u6cd5\u767b\u5f55\u5230\u7cfb\u7edf\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u78c1\u76d8\u7a7a\u95f4\u7684\u72b6\u6001\uff1a<\/p>\n<p>df -h<\/p>\n<p>\u8be5\u547d\u4ee4\u5c06\u5217\u51fa\u6587\u4ef6\u7cfb\u7edf\u548c\u5b83\u4eec\u5728\u78c1\u76d8\u4e0a\u6240\u5360\u7528\u7684\u7a7a\u95f4\u3002<\/p>\n<p>\u5982\u679c\u60a8\u53d1\u73b0\u78c1\u76d8\u7a7a\u95f4\u5df2\u7ecf\u8d85\u8fc7\u4e86\u9650\u5236\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5220\u9664\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u6587\u4ef6\u4ee5\u91ca\u653e\u7a7a\u95f4\uff1a<\/p>\n<p>rm filename<\/p>\n<p>\u5176\u4e2dfilename\u662f\u4f60\u8981\u5220\u9664\u6587\u4ef6\u7684\u6587\u4ef6\u540d\u3002<\/p>\n<p>5. \u68c0\u67e5\u7f51\u7edc\u95ee\u9898<\/p>\n<p>\u5982\u679c\u60a8\u7684\u7cfb\u7edf\u5728\u4f7f\u7528\u7f51\u7edc\u65f6\u51fa\u73b0\u95ee\u9898\uff0c\u4e5f\u53ef\u80fd\u5bfc\u81f4\u60a8\u65e0\u6cd5\u767b\u5f55\u5230\u7cfb\u7edf\u3002\u8fd9\u5c31\u9700\u8981\u60a8\u68c0\u67e5\u4e00\u4e0b\u60a8\u7684\u7f51\u7edc\u8fde\u63a5\u662f\u5426\u6b63\u5e38\u3002\u60a8\u53ef\u4ee5\u68c0\u67e5\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>1. \u68c0\u67e5\u60a8\u7684\u7f51\u7edc\u8bbe\u5907\u662f\u5426\u8fde\u63a5<\/p>\n<p>2. \u68c0\u67e5\u60a8\u7684\u7f51\u7edc\u8bbe\u5907\u662f\u5426\u6b63\u786e\u914d\u7f6e<\/p>\n<p>3. \u68c0\u67e5\u60a8\u7684DNS\u670d\u52a1\u5668\u662f\u5426\u6b63\u5e38<\/p>\n<p>\u5982\u679c\u4e0a\u8ff0\u65b9\u6cd5\u4ecd\u7136\u65e0\u6cd5\u89e3\u51b3\u4f60\u7684\u95ee\u9898\uff0c\u90a3\u4e48\u4f60\u53ef\u4ee5\u8003\u8651\u91cd\u88c5Linux\u7cfb\u7edf\u6216\u8005\u8054\u7cfb\u7cfb\u7edf\u7ba1\u7406\u5458\u6216\u8005Linux\u8fd0\u7ef4\u4e13\u5458\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<p>\u5728\u4f7f\u7528Linux\u7cfb\u7edf\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5176\u4e2d\u767b\u5f55\u95ee\u9898\u662f\u6700\u5e38\u89c1\u7684\u4e00\u4e2a\u3002\u65e0\u8bba\u60a8\u4f7f\u7528\u4ec0\u4e48\u6837\u7684\u65b9\u6cd5\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u68c0\u67e5\u548c\u786e\u8ba4\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u6b63\u786e\u7684\u90fd\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u540c\u65f6\uff0c\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\u7684\u53ea\u8bfb\u72b6\u6001\u3001\u78c1\u76d8\u7a7a\u95f4\u3001\u7f51\u7edc\u8fde\u63a5\u7b49\u6765\u6392\u67e5\u95ee\u9898\u3002\u5728\u6392\u9664\u4e86\u4ee5\u4e0a\u95ee\u9898\u4e4b\u540e\uff0c\u60a8\u4ecd\u7136\u65e0\u6cd5\u89e3\u51b3\u95ee\u9898\uff0c\u90a3\u4e48\u60a8\u53ef\u4ee5\u8003\u8651\u91cd\u88c5Linux\u7cfb\u7edf\u6216\u8005\u8054\u7cfb\u7cfb\u7edf\u7ba1\u7406\u5458\u6216Linux\u8fd0\u7ef4\u4e13\u5458\u6765\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>Linux\u4e3a\u4ec0\u4e48\u6539\u4e86root\u5bc6\u7801\uff0c\u8f93\u5165\u7684\u6b63\u786e\u5bc6\u7801\u8fd8\u662f\u8fdb\u4e0d\u53bb\u5462<\/li>\n<li>linux\u7cfb\u7edf\u666e\u901a\u7528\u6237\u8bbf\u95eeroot\u65f6\u5019,\u8f93\u5165\u6b63\u786e\u7684\u5bc6\u7801\u59cb\u7ec8\u63d0\u793a\u662f\u5bc6\u7801\u9519\u8bef\uff1f<\/li>\n<\/ul>\n<h3>Linux\u4e3a\u4ec0\u4e48\u6539\u4e86root\u5bc6\u7801\uff0c\u8f93\u5165\u7684\u6b63\u786e\u5bc6\u7801\u8fd8\u662f\u8fdb\u4e0d\u53bb\u5462<\/h3>\n<p>\u8fd9\u662f\u7d27\u6025\u6a21\u5f0f <\/p>\n<p>\u90fd\u6ca1\u6b63\u5e38\u542f\u52a8<\/p>\n<p>\u53ef\u80fd\u662f\u7cfb\u7edf\u78c1\u76d8\u6570\u636e\u5df2\u7ecf\u5bb4\u4eae\u635f\u574f\u4e86<\/p>\n<p>passwd\u6587\u4ef6\u4e0d\u53ef\u5199\u4e4b\u7c7b<\/p>\n<p>\u865a\u62df\u673a\u53ef\u4ee5\u8003\u8f7f\u7965\u731c\u8651\u91cd\u88c5\u95ed\u578b\u6216\u6062\u590d\u5feb\u7167<\/p>\n<p>\u5f00\u673a\u6441\u643a\u4f0d\u5982esc \u6441e \u5728utf-8 \u540e\u9762\u52a0\u4e0a\u8fa9\u542f \\init=\/bin\/sh<\/p>\n<p>mount -o unmount \/rw<\/p>\n<p>passed root <\/p>\n<p>\u81ea\u5df1\u7684\u5bc6\u6a58\u6e05\u7801<\/p>\n<p>exec 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