{"id":13194,"date":"2023-06-09T16:48:07","date_gmt":"2023-06-09T08:48:07","guid":{"rendered":"https:\/\/www.techx.idv.tw\/?p=13194"},"modified":"2026-03-17T09:19:11","modified_gmt":"2026-03-17T01:19:11","slug":"error-establishing-a-database-connection","status":"publish","type":"post","link":"https:\/\/www.techx.idv.tw\/index.php\/2023\/06\/09\/error-establishing-a-database-connection\/","title":{"rendered":"\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703 – \u7576 WordPress \u51fa\u73fe [ Error establishing a database connection ] \u932f\u8aa4\u6642\uff0c\u61c9\u5982\u4f55\u8655\u7406\u5462\uff1f"},"content":{"rendered":"\n

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\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/strong><\/mark><\/p>

rockylinux<\/p><\/div><\/div>\n\n\n

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\u7d66\u656c\u611b\u7684\u8b80\u8005\uff01<\/strong><\/span><\/p>\n\n\n\n

\u5728\u95b1\u8b80\u524d\uff0c\u8acb\u5bb9\u8a31\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/strong> –<\/mark><\/strong> \u8072\u660e\u5e7e\u4ef6\u4e8b\u60c5\uff0c\u9019\u4e9b\u4e8b\u60c5\u5c0d\u60a8\u53ef\u80fd\u883b\u91cd\u8981\u7684\uff1a<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/strong><\/mark> <\/mark>–<\/mark><\/strong> \u79c9\u6301\u8457\u5ba2\u89c0\u3001\u516c\u6b63\u3001\u8aa0\u4fe1\u7684\u539f\u5247\u3002<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/mark> – <\/strong>\u53c3\u52a0\u806f\u76df\u8a08\u756b<\/a><\/strong>\uff0c\u4f46\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703 –<\/mark><\/strong> \u4fdd\u8b49\u4e0d\u5f71\u97ff\u60a8\u7684\u8cfc\u8cb7\u6b0a\u76ca\u3002<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/mark> –<\/strong> \u7684\u806f\u76df\u8a08\u756b<\/a><\/mark><\/strong>\u548c\u5ee3\u544a\u6536\u5165\u90fd\u5c07\u7528\u65bc\u7db2\u7ad9\u6c38\u7e8c\u7d93\u71df\u548c\u63a8\u5ee3\u3002<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/mark> –<\/strong> \u63a8\u85a6\u7d66\u8b80\u8005\u7684\u4e00\u500b\u8f15\u91cf\u5316\u4e3b\u984c GeneratePress Theme<\/a>\u3002<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/mark> –<\/strong> \u63a8\u85a6\u7d66\u8b80\u8005\u7684\u4e00\u500b\u5feb\u901f\u8f15\u5de7\u9748\u6d3b\u5ea6\u9ad8\u7684\u4e3b\u984c OceanWP<\/a>\u3002<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio<\/strong>\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703 – \u63a8\u85a6\u7d66\u8b80\u8005\u7684\u4e00\u500b\u53d7\u5230\u5ee3\u6cdb\u7684\u793e\u7fa4\u652f\u6301\u9748\u6d3b\u6027\u9ad8 SEO \u53cb\u597d\u7684\u4f48\u666f\u4e3b\u984c Avada<\/a>\u3002<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/mark> –<\/strong> \u63a8\u85a6\u7d66\u8b80\u8005\u7684\u4e00\u500b\u6240\u898b\u5373\u6240\u5f97\u7684\u7de8\u8f2f\u756b\u9762\uff0c\u64cd\u4f5c\u76f4\u89ba\uff0c \u88fd\u4f5c\u5feb\u901f\uff1a\u63d0\u4f9b\u591a\u7a2e\u7248\u578b\uff0c\u53ef\u4ee5\u76f4\u63a5\u532f\u5165\uff0c\u5feb\u901f\u5b8c\u6210\u4e00\u500b\u9801\u9762\u7684\u9801\u9762\u7de8\u8f2f\u5668 Elementor<\/a>\u3002<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/mark> –<\/strong> \u63a8\u85a6\u7d66\u8b80\u8005\u7684\u66f4\u5feb\u7684\u9801\u9762\u8f09\u5165\u901f\u5ea6\u300199% \u7684\u6b63\u5e38\u904b\u884c\u6642\u9593\u4ee5\u53ca\u8d85\u904e 10 \u500d\u7684\u8a2a\u554f\u91cf\uff0c\u800c\u6210\u672c\u537b\u66f4\u5c11\u7684\u865b\u64ec\u4e3b\u6a5f CLOUDWAYS<\/a>\u3002<\/p>\n\n\n\n

\u2b50\u4eab\u6280\u6c34\u5de5\u574a TechX Studio\uff0c\u8cc7\u8a0a\uff0e\u97f3\u6a02\u4eba\u540c\u5b78\u6703<\/mark><\/mark> –<\/strong> \u63a8\u85a6\u7d66\u8b80\u8005\u7684\u5177\u5099\u300c\u5403\u559d\u73a9\u6a02\u8cb7\u300d\u4e00\u6b21\u8cfc\u8db3\uff08One-Stop Shopping\uff09\u6027\u8cea\u7684\u8cfc\u7269\u4e2d\u5fc3\u5e97\u578b\uff08Shopping Mall\uff09\uff0c\u4ee5\u53ca\u8d85\u5e02\u5e97\u578b\uff0c\u6bcf\u500b\u4eba\u90fd\u503c\u5f97\u6700\u597d\u7684\u5927\u578b\u7db2\u8def\u8ce3\u5834\u5bb6\u6a02\u798f<\/a>\u3002<\/p>\n\n\n\n

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\u7576\u60a8\u6e96\u5099\u4f7f\u7528 WordPress \u5275\u5efa\u81ea\u5df1\u7684\u7db2\u7ad9\u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4e00\u500b\u4ee4\u4eba\u6cae\u55aa\u7684\u932f\u8aa4\uff1a[ Error establishing a database connection ] ! \u6703\u51fa\u73fe\u9019\u500b\u932f\u8aa4\u901a\u5e38\u662f\u56e0\u70ba WordPress \u7121\u6cd5\u8207\u5176\u6578\u64da\u5eab\u5efa\u7acb\u9023\u63a5\u3002\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4f60\u5931\u53bb\u6240\u6709\u7684\u5167\u5bb9\u548c\u8a2d\u7f6e\uff0c\u800c\u4e14\u9019\u500b\u932f\u8aa4\u770b\u8d77\u4f86\u4f3c\u4e4e\u6beb\u7121\u982d\u7dd2\u3002<\/p>\n\n\n\n

\u5c0f\u82b1\u662f\u4e00\u500b\u7db2\u7ad9\u958b\u767c\u8005\uff0c\u5979\u5f9e\u4e0d\u5bb3\u6015\u6311\u6230\u3002\u7576\u5979\u770b\u5230\u9019\u500b\u932f\u8aa4\u6642\uff0c\u5979\u4e26\u6c92\u6709\u611f\u5230\u6cae\u55aa\uff0c\u53cd\u800c\u5145\u6eff\u4e86\u71b1\u60c5\u3002\u5979\u82b1\u4e86\u5e7e\u500b\u5c0f\u6642\u7684\u6642\u9593\u627e\u5230\u4e86\u554f\u984c\u7684\u6e90\u982d\u4e14\u7acb\u5373\u63a1\u53d6\u4e86\u884c\u52d5\uff0c\u6e05\u7406\u4e86\u5927\u91cf\u7528\u4e0d\u5230\u7684\u5916\u639b\uff0c\u7136\u5f8c [ \u91cd\u65b0\u555f\u52d5\u4e86\u7db2\u7ad9\u4e3b\u6a5f\u53ca MariaDB \u6578\u64da\u5eab<\/strong> ]\uff0c\u6700\u7d42\u5979\u6210\u529f\u5730\u89e3\u6c7a\u4e86\u9019\u500b\u932f\u8aa4\uff0c\u4e26\u8b93\u81ea\u5df1\u7684\u7db2\u7ad9\u91cd\u65b0\u904b\u884c\u3002<\/p>\n\n\n\n

\u5c0f\u82b1<\/span>\u5f9e\u9019\u500b\u7d93\u9a57\u4e2d\u5f97\u5230\u4e86\u5f88\u591a\u555f\u793a\uff0c\u5979\u610f\u8b58\u5230\u9700\u8981\u7d93\u5e38\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u5916\u639b<\/mark><\/strong>\uff0c\u4ee5\u4fdd\u6301\u6578\u64da\u5eab\u7684\u5065\u5eb7\u904b\u4f5c\u3002\u662f\u5f88\u91cd\u8981\u7684\uff0c\u6b64\u5916\u5979\u9084\u767c\u73fe\uff0c\u6b63\u78ba\u7684\u61c9\u5c0d\u65b9\u5f0f\uff0c\u80fd\u5920\u8b93\u4e00\u500b\u770b\u4f3c\u4e0d\u53ef\u80fd\u89e3\u6c7a\u7684\u554f\u984c\u8b8a\u5f97\u5bb9\u6613\u8655\u7406\u3002<\/p>\n\n\n\n

\u5c0f\u82b1<\/span>\u7684\u7d93\u9a57\u544a\u8a34\u6211\u5011<\/p>\n\n\n\n

\u5728\u9762\u5c0d\u56f0\u96e3\u548c\u6311\u6230\u6642\uff0c\u6211\u5011\u4e0d\u80fd\u653e\u68c4\uff0c\u800c\u61c9\u66f4\u7a4d\u6975\u5730\u9762\u5c0d\u554f\u984c\uff0c\u5c0b\u627e\u89e3\u6c7a\u65b9\u6848\u3002\u53ea\u6709\u9019\u6a23\u624d\u80fd\u9054\u5230\u4e8b\u534a\u529f\u500d\u7684\u6548\u679c\u3002<\/p>\n\n\n\n

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\u7576 WordPress \u51fa\u73fe [ Error establishing a database connection ] \u932f\u8aa4\u6642\uff0c\u901a\u5e38\u662f\u7531\u65bc [ \u7db2\u7ad9\u7121\u6cd5\u8207\u8cc7\u6599\u5eab\u9023\u7dda<\/mark><\/strong> ] \u6240\u5c0e\u81f4\u7684\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc [ \u8cc7\u6599\u5eab\u8a2d\u5b9a\u7684\u932f\u8aa4\u3001\u8cc7\u6599\u5eab\u5bc6\u78bc\u4e0d\u6b63\u78ba\u3001\u8cc7\u6599\u5eab\u4e3b\u6a5f\u540d\u7a31\u6216 IP \u5730\u5740\u4e0d\u6b63\u78ba\u3001\u8cc7\u6599\u5eab\u5df2\u6eff\u3001\u76f8\u95dc\u6b0a\u9650\u4e0d\u8db3\u3001\u6216\u662f\u670d\u52d9\u5668\u6545\u969c<\/strong> ] \u7b49\u554f\u984c\u6240\u5f15\u8d77\u3002\u8981\u89e3\u6c7a\u6b64\u554f\u984c\uff0c\u4f60\u53ef\u4ee5\u5617\u8a66\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n\n\n\n

1.\u78ba\u4fdd MariaDB \u8cc7\u6599\u5eab\u7684\u9023\u63a5\u662f\u5426\u90fd\u6b63\u78ba\u3002\u9019\u4e9b\u8a2d\u7f6e\u53ef\u4ee5\u5728 WordPress \u7684 [ wp-config.php ] \u6587\u4ef6\u4e2d\u627e\u5230\uff0c[ wp-config.php ] \u6587\u4ef6\u5305\u542b\u6240\u6709\u8207\u9023\u63a5\u8cc7\u6599\u5eab\u6709\u95dc\u7684\u8a2d\u7f6e\uff0c\u5305\u62ec MariaDB \u8cc7\u6599\u5eab\u7684\u4e3b\u6a5f\u540d\u7a31\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc<\/span><\/strong>\u7b49\u3002 \u60a8\u53ef\u4ee5\u76f4\u63a5\u5728\u7db2\u7ad9\u7684\u6839\u76ee\u9304 ( \u5982 \/var\/www\/html\/ )\u4e0b\u627e\u5230 [ wp-config.php ] \u6587\u4ef6\uff0c\u7136\u5f8c\u5c07\u5176\u4e0b\u8f09\u5230\u60a8\u7684\u672c\u5730\u96fb\u8166\u67e5\u770b\uff0c\u78ba\u4fdd\u4ee5\u4e0b\u8a2d\u7f6e\u8207\u60a8\u7684 MariaDB \u8cc7\u6599\u5eab\u8a2d\u7f6e\u4e00\u81f4\uff1a<\/p>\n\n\n\n

\u7bc4\u4f8b<\/strong><\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

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\u2022 \u5982\u679c\u60a8\u6709\u81ea\u5df1\u7684 CentOS 7 \u4e3b\u6a5f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6307\u4ee4\u4f86\u6aa2\u6e2c\u8cc7\u6599\u5eab\u662f\u5426\u6b63\u5e38\u904b\u4f5c\uff1a<\/p>\n\n\n\n

#systemctl status mariadb<\/mark><\/strong><\/code><\/pre>\n\n\n\n
\u5982\u679c MariaDB \u6b63\u5728\u904b\u884c\u4e2d\uff0c\u60a8\u61c9\u8a72\u6703\u770b\u5230\u985e\u4f3c\u4e0b\u9762\u7684\u8f38\u51fa\uff1a<\/p>\n\n\n\n
mariadb.service - MariaDB database server\n   Loaded: loaded (\/usr\/lib\/systemd\/system\/mariadb.service; enabled; vendor preset: disabled)\n   Active: active (<\/mark>running<\/mark>) since Mon 2021-11-01 14:14:25 UTC; 1 day 2h ago<\/mark><\/strong>\n\n\u5982\u679c\u670d\u52d9\u72c0\u614b\u986f\u793a `Active: inactive (dead)` \u6216\u985e\u4f3c\u7684\u8a0a\u606f\uff0c\u5c31\u8868\u793a Mariadb \u670d\u52d9\u5df2\u7d93\u7576\u6389<\/mark><\/strong><\/code><\/pre>\n\n\n\n
2.\u767b\u5165 MariaDB \u4e26\u6e2c\u8a66\u8cc7\u6599\u5eab\uff1a <\/p>\n\n\n\n
#mysql -u johnson -p<\/mark><\/strong>\n\n\u63a5\u8457\u8f38\u5165\u60a8\u8cc7\u6599\u5eab\u4f7f\u7528\u8005\u7684\u5bc6\u78bc\u3002<\/mark><\/strong><\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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3.\u9078\u64c7\u8981\u6aa2\u67e5\u7684\u8cc7\u6599\u5eab\u5982<\/p>\n\n\n\n
use wordpress;<\/p>\n\n\n\n
\u8acb\u4f7f\u7528\u60a8\u5be6\u969b\u7684\u8cc7\u6599\u5eab\u540d\u7a31\u66ff\u63db database_name\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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4.\u6e2c\u8a66\u67e5\u8a62\uff1a<\/p>\n\n\n\n
show tables;<\/strong><\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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\u5982\u679c\u60a8\u53ef\u4ee5\u67e5\u770b\u5230\u8cc7\u6599\u5eab\u5167\u7684\u8868\u683c\uff0c\u5247\u8868\u660e\u8cc7\u6599\u5eab\u6b63\u5e38\u904b\u4f5c\u3002\u53cd\u4e4b\u5982\u679c\u51fa\u73fe\u4efb\u4f55\u932f\u8aa4\uff0c\u5247\u610f\u5473\u8457\u8cc7\u6599\u5eab\u53ef\u80fd\u767c\u751f\u4e86\u554f\u984c\u3002<\/p>\n\n\n\n
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5.\u91cd\u555f MariaDB \u8cc7\u6599\u5eab<\/p>\n\n\n\n
\u5982\u679c\u60a8\u5df2\u7d93\u6aa2\u67e5\u4e86 [ wp-config.php ] \u6587\u4ef6\u548c\u9023\u63a5\u6b0a\u9650\uff0c\u4f46\u4ecd\u7136\u7121\u6cd5\u9023\u63a5\u5230 MariaDB \u8cc7\u6599\u5eab\uff0c\u90a3\u9ebc\u60a8\u53ef\u4ee5\u5617\u8a66\u91cd\u555f MariaDB \u8cc7\u6599\u5eab<\/mark><\/strong>\u3002\u5982\u679c\u60a8\u6709 root \u6b0a\u9650\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u555f MariaDB \u8cc7\u6599\u5eab\uff1a<\/p>\n\n\n\n
#sudo systemctl restart mysql<\/mark><\/strong>\n\n\u5982\u679c\u91cd\u555f\u6ca1\u6709\u7528\uff0c\u4e5f\u53ef\u4ee5\u5617\u8a66\u91cd\u65b0\u555f\u52d5\u670d\u52d9\uff1a\n\uff03systemctl stop mariadb\n\uff03systemctl start mariadb<\/mark><\/strong><\/code><\/pre>\n\n\n\n
\u9019\u5c07\u91cd\u65b0\u555f\u52d5 MariaDB \u8cc7\u6599\u5eab<\/mark><\/strong>\u670d\u52d9\u3002\u7136\u5f8c\u60a8\u53ef\u4ee5\u518d\u6b21\u5617\u8a66\u9023\u63a5 WordPress 6.2.2\u3002<\/p>\n\n\n\n
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6.\u806f\u7e6b\u6280\u8853\u652f\u6301<\/p>\n\n\n\n
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\u7e3d\u7d50<\/strong> <\/p>\n\n\n\n
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