{"id":13716,"date":"2025-04-18T20:38:23","date_gmt":"2025-04-18T12:38:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/13716.html"},"modified":"2025-04-18T20:38:23","modified_gmt":"2025-04-18T12:38:23","slug":"%e7%89%a9%e8%81%94%e7%bd%91%e5%85%a5%e9%97%a8-%e4%b8%8b%e8%bd%bdemqx%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8emysql","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/13716.html","title":{"rendered":"\u7269\u8054\u7f51\u5165\u95e8----\u4e0b\u8f7dEMQX\u670d\u52a1\u5668\u4e0eMysql"},"content":{"rendered":"

\u4e00\u3001EMQX\u7684\u4e0b\u8f7d\u53ca\u914d\u7f6e<\/h2>\n

\u5728\u865a\u62df\u673a\u4e0b\u8f7d\u8d44\u6e90\u4e4b\u524d，\u6211\u4eec\u9700\u8981\u5148\u6362\u6e90\u4fdd\u8bc1\u4e0b\u8f7d\u901f\u5ea6：<\/p>\n

\u5907\u4efdrepo\u6587\u4ef6
\nsudo cp -r \/etc\/yum.repos.d \/etc\/yum.repos.d.backup<\/p>\n

\u5220\u9664\u539f\u6765\u6587\u4ef6
\nsudo rm -f \/etc\/yum.repos.d\/*.repo<\/p>\n

\u521b\u5efa\u65b0\u7684repo\u6587\u4ef6\u5e76\u6362\u963f\u91cc\u4e91\u7684\u6e90
\nsudo bash -c 'cat > \/etc\/yum.repos.d\/CentOS-Base.repo <<EOF
\n[base]
\nname=CentOS-$releasever – Base
\nbaseurl=http:\/\/mirrors.aliyun.com\/centos\/$releasever\/os\/$basearch\/
\ngpgcheck=1
\ngpgkey=http:\/\/mirrors.aliyun.com\/centos\/$releasever\/os\/$basearch\/RPM-GPG-KEY-CentOS7
\nenabled=1
\n[updates]
\nname=CentOS-$releasever – Updates
\nbaseurl=http:\/\/mirrors.aliyun.com\/centos\/$releasever\/updates\/$basearch\/
\ngpgcheck=1
\ngpgkey=http:\/\/mirrors.aliyun.com\/centos\/$releasever\/updates\/$basearch\/RPM-GPG-KEY-CentOS7
\nenabled=1
\n[extras]
\nname=CentOS-$releasever – Extras
\nbaseurl=http:\/\/mirrors.aliyun.com\/centos\/$releasever\/extras\/$basearch\/
\ngpgcheck=1
\ngpgkey=http:\/\/mirrors.aliyun.com\/centos\/$releasever\/extras\/$basearch\/RPM-GPG-KEY-CentOS7
\nenabled=1
\nEOF'<\/p>\n

\u66f4\u65b0\u7cfb\u7edf
\nsudo yum update -y <\/p>\n

\"\"<\/p>\n

\u66f4\u65b0\u540e\u518d\u4e0b\u8f7d\u4f1a\u53d1\u73b0\u63d0\u793aGPG key\u9519\u8bef，\u8fd9\u91cc\u53ef\u4ee5\u5173\u95edgpgcheck，\u5728\u521a\u521a\u7684repo\u6587\u4ef6\u4fee\u6539：<\/p>\n

\"\"<\/p>\n

\u5c06repo\u6587\u4ef6\u4e2d\u6bcf\u4e2agpgcheck\u6539\u4e3a0<\/p>\n<\/p>\n

Download EMQX Open Source\u5728\u8fd9\u4e2a\u7f51\u9875\u4e0b\u8f7d\u670d\u52a1\u5668<\/p>\n

\u6ce8\u610fInstall the dependencies\u65f6\u8981\u52a0sudo\u7ed9\u6743\u9650<\/p>\n<\/p>\n

emqx\u670d\u52a1\u5668\u7684dashboard\u9700\u8981\u5728\u7f51\u9875\u8fd0\u884c\u7684\u8bdd\u9700\u8981\u4fdd\u8bc1\u9632\u706b\u5899\u7aef\u53e3\u6253\u5f00，\u6709\u5173emqx\u7684\u7aef\u53e3\u6709\u56db\u4e2a，\u4f9d\u6b21\u6253\u5f00\u5e76\u91cd\u65b0\u52a0\u8f7d\u9632\u706b\u5899\u914d\u7f6e：<\/p>\n

sudo firewall-cmd –zone=public –add-port=1883\/tcp –permanent
\nsudo firewall-cmd –zone=public –add-port=8083\/tcp –permanent
\nsudo firewall-cmd –zone=public –add-port=8883\/tcp –permanent
\nsudo firewall-cmd –zone=public –add-port=18083\/tcp –permanent<\/p>\n

sudo firewall-cmd –reload <\/p>\n

\u5f00\u542femqx\u670d\u52a1\u5668\u540e\u53ef\u4ee5\u6253\u5f00emqx\u7684dashboard，\u5728\u7f51\u9875\u641c\u7d22http:\/\/{\u81ea\u5df1\u7684ip}:18083\u5c31\u53ef\u4ee5\u6253\u5f00<\/p>\n

\"\"<\/p>\n

\u9996\u6b21\u767b\u5f55\u7684\u8d26\u53f7\u662fadmin，\u5bc6\u7801\u662fpublic，\u8fdb\u53bb\u540e\u53ef\u4ee5\u81ea\u5df1\u4fee\u6539\u5bc6\u7801<\/p>\n

\"\"<\/p>\n

\u767b\u5f55\u8fdb\u6765\u4e4b\u540e\u663e\u793a\u8fd9\u6837\u7684\u754c\u9762，\u663e\u793a\u7684\u662f\u6240\u6709\u8fde\u63a5\u7684\u4fe1\u606f\u53caemqx\u7684\u914d\u7f6e，\u53ef\u4ee5\u968f\u4fbf\u70b9\u70b9\u719f\u6089\u4e00\u4e0bemqx\u670d\u52a1\u5668\u7684\u529f\u80fd<\/p>\n

\u63a5\u4e0b\u6765\u9700\u8981\u4e0b\u8f7d\u4e00\u4e2a\u7528\u4e8e\u5efa\u7acb\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u8fde\u63a5\u7684\u5de5\u5177，\u6211\u9009\u7528\u7684\u662fMQTTX，\u53ef\u4ee5\u53d6\u5b98\u7f51\u81ea\u5df1\u4e0b\u4e00\u4e2a，\u4e0b\u597d\u4ee5\u540e\u521b\u5efa\u4e00\u4e2a\u5ba2\u6237\u7aef<\/p>\n

\"\"<\/p>\n

\u63a5\u4e0b\u6765\u7684\u4fe1\u606f\u9664\u4e86Host\u4e0ePort\u5916\u5176\u4f59\u90fd\u53ef\u4ee5\u968f\u4fbf\u586b\u5199<\/p>\n

\"\"<\/p>\n

Host\u4e3a\u670d\u52a1\u5668\u7684IP，\u4e5f\u5c31\u662f\u4f60\u865a\u62df\u5668\u7684IP，\u5728\u4e4b\u524d\u767b\u5f55dashboard\u7684IP\u662f\u4e00\u6837\u7684，\u914d\u7f6e\u597d\u8fd9\u4e9b\u4fe1\u606f\u5c31\u53ef\u4ee5\u8fde\u63a5，\u70b9\u51fb\u53f3\u4e0a\u89d2Connect<\/p>\n

\"\"<\/p>\n

\u8fde\u63a5\u6210\u529f，\u5e76\u4e14emqx\u670d\u52a1\u5668\u4e0a\u4e5f\u663e\u793a\u8fde\u63a5\u4e86\u4e00\u4e2a\u5ba2\u6237\u7aef：<\/p>\n

\"\"<\/p>\n

\u4e3a\u4e86\u9632\u6b62\u5176\u4f59\u5ba2\u6237\u7aef\u7684\u8fde\u63a5，\u53ef\u4ee5\u8bbe\u7f6e\u8fde\u63a5\u65f6\u7684\u7528\u6237\u540d\u4e0e\u5bc6\u7801：<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u521b\u5efa\u540e\u70b9\u51fb\u8bbe\u7f6e<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u70b9\u51fb\u7528\u6237\u7ba1\u7406\u4e0e\u521b\u5efa<\/p>\n

\"\"<\/p>\n

\u81ea\u5df1\u8bbe\u7f6e\u7528\u6237\u540d\u4e0e\u5bc6\u7801，\u81ea\u5df1\u8bbe\u7f6e\u662f\u5426\u4e3a\u8d85\u7ea7\u7528\u6237<\/p>\n

\u8bbe\u7f6e\u6210\u529f\u540e\u8fde\u63a5\u65f6\u5c31\u9700\u8981\u586b\u5199username\u4e0epassword\u4e86<\/p>\n

\"\"<\/p>\n

\u81f3\u6b64MQTT\u7684\u914d\u7f6e\u53ca\u8fde\u63a5\u7ed3\u675f<\/p>\n<\/p>\n

\u4e8c\u3001MySQL\u4e0b\u8f7d\u4e0e\u914d\u7f6e<\/h2>\n

\u5ba2\u6237\u7aef\u53ef\u4ee5\u548c\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u540e，\u6211\u4eec\u9700\u8981\u60f3\u529e\u6cd5\u5c06\u5ba2\u6237\u7aef\u7684\u6570\u636e\u5b58\u5165\u6570\u636e\u5e93，\u65b9\u4fbf\u540e\u7eed\u524d\u7aef\u540e\u7aef\u8fdb\u884c\u67e5\u770b，\u5728\u786c\u4ef6\u52a0\u5165\u4e4b\u524d，\u6211\u4eec\u5148\u7528mqttx\u521b\u5efa\u5ba2\u6237\u7aef\u66ff\u4ee3\u3002\u8fd9\u91cc\u9700\u8981\u4e0b\u8f7d\u6570\u636e\u5e93，windows\u7aef\u6211\u7528\u7684\u662fNavicat 17 for MySQL\u7248\u672c\u662f17.1.11，\u76f4\u63a5\u53d6\u5b98\u7f51\u4e0b\u5c31\u884c，\u670930\u5929\u514d\u8d39\u8bd5\u7528\u671f，\u8fd9\u91cc\u4e0d\u63d0\u4f9b\u7834\u89e3\u65b9\u5f0f，\u652f\u6301\u6b63\u7248\u3002\u4e0b\u8f7d\u597d\u540e\u5148\u653e\u4e00\u8fb9，\u6211\u4eec\u5c06\u6570\u636e\u5b58\u50a8\u5728\u670d\u52a1\u5668\u4e2d，\u6240\u4ee5\u8fd8\u9700\u8981\u5728\u670d\u52a1\u5668\u4e0a\u4e0b\u8f7d\u6570\u636e\u5e93\u5e76\u4e14\u65b0\u5efa\u8fde\u63a5\u3002<\/p>\n

\u5148\u5b89\u88c5MySQL\u7684\u5b58\u50a8\u5e93：<\/p>\n

\u200b
\nsudo rpm -Uvh https:\/\/repo.mysql.com\/mysql57-community-release-el7-11.noarch.rpm <\/p>\n

（\u4e0a\u9762\u7684\u94fe\u63a5\u4e3aMySQL\u00a05.7\u7684\u793a\u4f8b，\u5982\u679c\u9700\u8981\u5176\u4ed6\u7248\u672c，\u8bf7\u8bbf\u95ee\u00a0MySQL\u7684\u5b98\u65b9\u5b58\u50a8\u5e93\u00a0\u83b7\u53d6\u5bf9\u5e94\u7248\u672c\u7684\u94fe\u63a5\u3002）<\/p>\n

\u5b89\u88c5MySQL\u670d\u52a1\u5668：<\/p>\n

sudo yum install mysql-community-server <\/p>\n

\u5b89\u88c5\u6b64\u6b65\u9aa4\u65f6\u53ef\u80fd\u4f1a\u51fa\u9519：<\/p>\n

\"\"<\/p>\n

\u8fd9\u4e2a\u9519\u8bef\u8868\u793a\u627e\u4e0d\u5230GPG\u516c\u94a5，\u53ef\u4ee5\u5148\u5bfc\u5165\u516c\u94a5：<\/p>\n

\u200b
\nsudo rpm –import https:\/\/repo.mysql.com\/RPM-GPG-KEY-mysql <\/p>\n

\u518d\u5c1d\u8bd5\u5b89\u88c5\u670d\u52a1\u5668<\/p>\n

sudo yum install mysql-community-server <\/p>\n

\u4f46\u5b89\u88c5\u540e\u53c8\u53d1\u751f\u9519\u8bef<\/p>\n

\"\"<\/p>\n

\u8fd9\u4e2a\u9519\u8bef\u662f\u516c\u94a5\u4e0d\u5339\u914d\u6216\u8005\u4e0d\u6b63\u786e，\u6211\u4eec\u5148\u770b\u770b\u81ea\u5df1\u6709\u54ea\u4e9b\u516c\u94a5<\/p>\n

rpm -qa gpg-pubkey* <\/p>\n

\u7136\u540e\u6839\u636e\u9700\u8981\u5220\u9664\u516c\u94a5<\/p>\n

sudo rpm -e gpg-pubkey-3a79bd29 <\/p>\n

3a79bd29\u8868\u793aID，\u6211\u662f\u9009\u4e86\u5176\u4e2d\u4e00\u4e2a\u5220\u9664，\u6682\u65f6\u6ca1\u6709\u4ec0\u4e48\u95ee\u9898<\/p>\n

\u7136\u540e\u91cd\u65b0\u5bfc\u5165\u516c\u94a5<\/p>\n

sudo rpm –import https:\/\/repo.mysql.com\/RPM-GPG-KEY-mysql <\/p>\n

\u66f4\u65b0YUM\u914d\u7f6e<\/p>\n

sudo vi \/etc\/yum.repos.d\/mysql-community.repo <\/p>\n

\u786e\u4fdd\u4f60\u7684\u914d\u7f6e\u662f\u8fd9\u6837<\/p>\n

[mysql57-community]
\nname=MySQL 5.7 Community Server
\nbaseurl=https:\/\/repo.mysql.com\/yum\/mysql-5.7-community\/el\/7\/x86_64\/
\nenabled=1
\ngpgcheck=1
\ngpgkey=https:\/\/repo.mysql.com\/RPM-GPG-KEY-mysql <\/p>\n

\u5982\u679c\u4e0b\u8f7d\u4e2d\u5b58\u5728gpgcheck fail\u53ef\u4ee5\u9009\u62e9\u6027\u5c06\u5176\u503c\u6539\u4e3a0 \u4e0dcheck<\/p>\n

\u518d\u6e05\u7406YUM\u7f13\u5b58<\/p>\n

sudo yum clean all <\/p>\n

\u6700\u540e\u91cd\u65b0\u4e0b\u8f7d\u670d\u52a1\u5668<\/p>\n

sudo yum install mysql-community-server <\/p>\n

\u6700\u540e\u5b89\u88c5\u5b8c\u6210<\/p>\n

\"\"<\/p>\n

\u9a8c\u8bc1\u5b89\u88c5\u5e76\u6dfb\u52a0\u81ea\u542f\u52a8：<\/p>\n

\"\"<\/p>\n

\u5728\u5b89\u88c5\u540eMySQL\u4f1a\u751f\u6210\u4e00\u4e2a\u4e34\u65f6\u5bc6\u7801，\u7b2c\u4e00\u6b21\u767b\u5f55\u9700\u8981\u8be5\u5bc6\u7801，\u901a\u8fc7\u4ee5\u4e0b\u6307\u4ee4\u53ef\u4ee5\u83b7\u5f97<\/p>\n

sudo grep 'temporary password' \/var\/log\/mysqld.log <\/p>\n

\u7136\u540e\u767b\u5f55MySQL：<\/p>\n

mysql -u root -p <\/p>\n

\u8f93\u5165\u521a\u521a\u7684\u5bc6\u7801\u5c31\u884c\u4e86，\u7136\u540e\u767b\u5f55\u6210\u529f<\/p>\n

\"\"<\/p>\n

\u767b\u5f55\u8fdb\u53bb\u4ee5\u540e\u4f60\u53ef\u4ee5\u9009\u62e9\u4fee\u6539\u767b\u5f55\u5bc6\u7801<\/p>\n

ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_password'; <\/p>\n

\u5c06new_password\u66ff\u6362\u4e3a\u4f60\u81ea\u5df1\u7684\u5bc6\u7801\u5c31\u884c\u4e86，\u4f46\u662f\u6709\u4e00\u5b9a\u8981\u6c42，\u9700\u8981\u5305\u542b\u5927\u5c0f\u5199\u5b57\u6bcd，\u6570\u5b57\u7b49<\/p>\n

\u5728mysql\u547d\u4ee4\u884c\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u5e93，\u81ea\u5df1\u53ef\u4ee5\u66f4\u6362\u547d\u540d<\/p>\n

\"\"<\/p>\n

\u521b\u5efa\u597d\u540e\u4f7f\u7528\u8be5\u6570\u636e\u5e93<\/p>\n

use IOTtest <\/p>\n

\u7136\u540e\u521b\u5efa\u4e00\u4e2a\u8868\u683c\u8bb0\u5f55\u8bbe\u5907\u7684\u6570\u636e，\u7b80\u5355\u8d77\u89c1\u8fd9\u91cc\u521b\u5efa\u4e00\u4e2a\u5e26\u6709device_id\u548clocation\u7684\u8868\u683c<\/p>\n

CREATE TABLE devices (
\ndevice_id INT AUTO_INCREMENT PRIMARY KEY,
\nlocation VARCHAR(255) NOT NULL
\n); <\/p>\n

\u7136\u540eshow\u4e00\u4e0b\u770b\u770b\u662f\u5426\u521b\u5efa\u6210\u529f，\u6211\u8fd9\u91cc\u521b\u5efa\u7684\u8868\u683c\u540d\u79f0\u4e3adevices<\/p>\n

\"\"<\/p>\n

\u521b\u5efa\u6210\u529f，\u63a5\u4e0b\u6765\u6211\u4eec\u9700\u8981\u5c06windows\u7aef\u7684navicat\u8fde\u63a5\u5230\u8be5\u6570\u636e\u5e93，\u8fd9\u6837\u65b9\u4fbf\u67e5\u770b\u6570\u636e\u3001\u7f16\u8f91\u6570\u636e\u548c\u914d\u7f6e，\u4e4b\u524d\u6211\u4eec\u5728centos\u672c\u5730\u914d\u7f6e\u8fc7\u767b\u5f55MySQL\u7684\u5bc6\u7801，\u73b0\u5728\u9700\u8981\u8bbe\u7f6e\u8fdc\u7a0b\u8fde\u63a5\u7684\u8d26\u53f7\u548c\u5bc6\u7801，\u8fd9\u4e24\u4e2a\u7c7b\u4f3c，\u65b9\u4fbf\u8d77\u89c1\u6211\u8bbe\u7f6e\u4e86\u6240\u4ee5IP\u8f93\u5165\u6b63\u786e\u7684\u5bc6\u7801\u90fd\u53ef\u4ee5\u8fde\u63a5\u8be5\u6570\u636e\u5e93，\u6b63\u5e38\u662f\u9700\u8981\u8bbe\u7f6eIP\u6765\u4fdd\u8bc1\u5b89\u5168\u6027<\/p>\n

\"\"<\/p>\n

\u8f93\u5165\u8fd9\u4e24\u6761\u6307\u4ee4\u8bbe\u7f6e\u8bbf\u95ee\u6743\u9650<\/p>\n

\"\"<\/p>\n

\u4e24\u6761\u6307\u4ee4\u7684\u89e3\u91ca\u5982\u4e0a<\/p>\n

\u6700\u540e\u8fdb\u884c\u5237\u65b0\u7136\u540e\u9000\u51fa\u6570\u636e\u5e93\u547d\u4ee4\u884c<\/p>\n

FLUSH PRIVILEGES;
\nEXIT; <\/p>\n

\u914d\u7f6e\u9632\u706b\u5899，\u5f00\u653e\u7aef\u53e33306<\/p>\n

sudo firewall-cmd –permanent –add-port=3306\/tcp
\nsudo firewall-cmd –reload <\/p>\n

\u63a5\u4e0b\u6765\u6253\u5f00navicat\u8fdb\u884c\u8fde\u63a5：<\/p>\n

\"\"<\/p>\n

\u70b9\u51fb\u8fde\u63a5<\/p>\n

\u9009\u62e9MySQL<\/p>\n

\"\"<\/p>\n

\u8f93\u5165\u4fe1\u606f<\/p>\n

\"\"<\/p>\n

\u8fde\u63a5\u540d\u79f0\u81ea\u5b9a\u4e49，\u4e3b\u673a\u4e3a\u670d\u52a1\u5668\u7684IP，\u7528\u6237\u540d\u53ca\u5bc6\u7801\u5c31\u662f\u521a\u521a\u5728\u670d\u52a1\u5668\u8bbe\u7f6e\u7684\u7528\u6237\u540d\u4e0e\u5bc6\u7801<\/p>\n

\u7136\u540e\u8fde\u63a5\u540e\u67e5\u770b\u5230\u6211\u4eec\u521a\u521a\u65b0\u5efa\u7684\u8868<\/p>\n

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