{"id":178526,"date":"2024-11-08T18:42:20","date_gmt":"2024-11-08T10:42:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178526\/"},"modified":"2024-11-08T18:42:21","modified_gmt":"2024-11-08T10:42:21","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42009-cr_wrong_host_info-%e9%94%99%e8%af%af%e7%9a%84%e4%b8%bb%e6%9c%ba%e4%bf%a1%e6%81%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178526\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42009 &#8211; (CR_WRONG_HOST_INFO) \u9519\u8bef\u7684\u4e3b\u673a\u4fe1\u606f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42009-cr_wrong_host_info-%e9%8c%af%e8%aa%a4%e7%9a%84%e4%b8%bb%e6%a9%9f%e4%bf%a1%e6%81%af-pALadojTsl\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42009 &#8211; (CR_WRONG_HOST_INFO) \u932f\u8aa4\u7684\u4e3b\u6a5f\u4fe1\u606f<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc2009\uff0c\u901a\u5e38\u986f\u793a\u70ba\u201cCR_WRONG_HOST_INFO\u201d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793aMySQL\u5ba2\u6236\u7aef\u7121\u6cd5\u6b63\u78ba\u9023\u63a5\u5230\u6578\u64da\u5eab\u670d\u52d9\u5668\uff0c\u56e0\u70ba\u63d0\u4f9b\u7684\u4e3b\u6a5f\u4fe1\u606f\u4e0d\u6b63\u78ba\u6216\u7121\u6cd5\u89e3\u6790\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-pALadojTsl\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>MySQL\u932f\u8aa42009\u7684\u51fa\u73fe\u901a\u5e38\u8207\u4ee5\u4e0b\u5e7e\u500b\u56e0\u7d20\u6709\u95dc\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u6a5f\u540d\u932f\u8aa4\uff1a<\/strong>\u5982\u679c\u5728\u9023\u63a5MySQL\u6642\u4f7f\u7528\u4e86\u932f\u8aa4\u7684\u4e3b\u6a5f\u540d\uff0c\u5247\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u78ba\u4fdd\u4e3b\u6a5f\u540d\u6b63\u78ba\u7121\u8aa4\uff0c\u4e26\u4e14\u80fd\u5920\u88ab\u89e3\u6790\u3002<\/li>\n<li><strong>\u9632\u706b\u7246\u8a2d\u7f6e\uff1a<\/strong>\u9632\u706b\u7246\u53ef\u80fd\u6703\u963b\u6b62\u5ba2\u6236\u7aef\u8207MySQL\u670d\u52d9\u5668\u4e4b\u9593\u7684\u9023\u63a5\u3002\u6aa2\u67e5\u9632\u706b\u7246\u8a2d\u7f6e\uff0c\u78ba\u4fddMySQL\u7aef\u53e3\uff08\u9ed8\u8a8d\u70ba3306\uff09\u662f\u958b\u653e\u7684\u3002<\/li>\n<li><strong>MySQL\u670d\u52d9\u5668\u672a\u555f\u52d5\uff1a<\/strong>\u5982\u679cMySQL\u670d\u52d9\u5668\u672a\u904b\u884c\uff0c\u5ba2\u6236\u7aef\u5c07\u7121\u6cd5\u9023\u63a5\u3002\u6aa2\u67e5\u670d\u52d9\u5668\u72c0\u614b\uff0c\u78ba\u4fddMySQL\u670d\u52d9\u6b63\u5728\u904b\u884c\u3002<\/li>\n<li><strong>\u7528\u6236\u6b0a\u9650\u554f\u984c\uff1a<\/strong>\u7528\u6236\u53ef\u80fd\u6c92\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u5f9e\u7279\u5b9a\u4e3b\u6a5f\u9023\u63a5\u5230MySQL\u670d\u52d9\u5668\u3002\u6aa2\u67e5\u7528\u6236\u7684\u6b0a\u9650\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-pALadojTsl\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u91dd\u5c0d\u4e0a\u8ff0\u539f\u56e0\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u4fee\u5fa9MySQL\u932f\u8aa42009\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e4%b8%bb%e6%a9%9f%e5%90%8d-pALadojTsl\">1. \u6aa2\u67e5\u4e3b\u6a5f\u540d<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u8a8d\u60a8\u5728\u9023\u63a5MySQL\u6642\u4f7f\u7528\u7684\u4e3b\u6a5f\u540d\u662f\u5426\u6b63\u78ba\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6e2c\u8a66\u4e3b\u6a5f\u540d\u662f\u5426\u53ef\u89e3\u6790\uff1a<\/p>\n<pre><code>ping your_mysql_host<\/code><\/pre>\n<p>\u5982\u679c\u7121\u6cd5ping\u901a\uff0c\u5247\u9700\u8981\u6aa2\u67e5DNS\u8a2d\u7f6e\u6216\u4f7f\u7528IP\u5730\u5740\u76f4\u63a5\u9023\u63a5\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e9%98%b2%e7%81%ab%e7%89%86%e8%a8%ad%e7%bd%ae-pALadojTsl\">2. \u6aa2\u67e5\u9632\u706b\u7246\u8a2d\u7f6e<\/h3>\n<p>\u78ba\u4fdd\u9632\u706b\u7246\u5141\u8a31\u901a\u904eMySQL\u7684\u7aef\u53e3\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u9632\u706b\u7246\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>sudo ufw status<\/code><\/pre>\n<p>\u5982\u679c\u7aef\u53e3\u672a\u958b\u653e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u958b\u653e\u7aef\u53e3\uff1a<\/p>\n<pre><code>sudo ufw allow 3306<\/code><\/pre>\n<h3 id=\"3-%e7%a2%ba%e8%aa%8dmysql%e6%9c%8d%e5%8b%99%e5%99%a8%e7%8b%80%e6%85%8b-pALadojTsl\">3. \u78ba\u8a8dMySQL\u670d\u52d9\u5668\u72c0\u614b<\/h3>\n<p>\u6aa2\u67e5MySQL\u670d\u52d9\u5668\u662f\u5426\u6b63\u5728\u904b\u884c\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5\u670d\u52d9\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo systemctl status mysql<\/code><\/pre>\n<p>\u5982\u679c\u670d\u52d9\u672a\u904b\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5\u5b83\uff1a<\/p>\n<pre><code>sudo systemctl start mysql<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-pALadojTsl\">4. \u6aa2\u67e5\u7528\u6236\u6b0a\u9650<\/h3>\n<p>\u78ba\u4fdd\u7528\u6236\u64c1\u6709\u5f9e\u7279\u5b9a\u4e3b\u6a5f\u9023\u63a5\u7684\u6b0a\u9650\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u7528\u6236\u6b0a\u9650\uff1a<\/p>\n<pre><code>SELECT host, user FROM mysql.user;<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6388\u4e88\u6b0a\u9650\uff1a<\/p>\n<pre><code>GRANT ALL PRIVILEGES ON *.* TO 'username'@'your_host';<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u8a18\u5f97\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n<pre><code>FLUSH PRIVILEGES;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-pALadojTsl\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa42009\uff08CR_WRONG_HOST_INFO\uff09\u901a\u5e38\u662f\u7531\u65bc\u4e3b\u6a5f\u4fe1\u606f\u4e0d\u6b63\u78ba\u6216\u9023\u63a5\u554f\u984c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u4e3b\u6a5f\u540d\u3001\u9632\u706b\u7246\u8a2d\u7f6e\u3001MySQL\u670d\u52d9\u5668\u72c0\u614b\u548c\u7528\u6236\u6b0a\u9650\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u6258\u7ba1\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u78ba\u4fdd\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u9023\u63a5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa42009 (CR_WRONG_HOST_INFO) \u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u89e3\u6c7a\u9023\u63a5\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-178526","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=178526"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178526\/revisions"}],"predecessor-version":[{"id":178527,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178526\/revisions\/178527"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}