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| Original file line number | Diff line number | Diff line change |
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| --- | ||
| layout: post | ||
| title: "linux安装MySQL-5.7.30版本" | ||
| date: 2023-11-11 13:39:38 +0800 | ||
| categories: linux | ||
| --- | ||
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| 1、下载 https://downloads.mysql.com/archives/get/p/23/file/mysql-5.7.30-linux-glibc2.12-x86_64.tar.gz | ||
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| 2、进入Linux系统进行安装 | ||
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| （1）把下载好的mysql-5.7.30-linux-glibc2.12-x86_64.tar.gz包放到/home/tools/目录下 | ||
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| [root@VM-24-12-centos tools]# pwd | ||
| /home/tools | ||
| [root@VM-24-12-centos tools]# ll | ||
| total 644556 | ||
| （2）安装Mysql数据库时首先要排查服务器内是否已安装mariadb，排查命令如下 | ||
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| [root@VM-24-12-centos ~]# rpm -qa|grep -i mariadb-libs | ||
| mariadb-libs-5.5.68-1.el7.x86_64 | ||
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| （3）如果存在需强制卸载，不卸载后面安装时会出问题 | ||
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| [root@VM-24-12-centos ~]# rpm -e mariadb-libs-5.5.68-1.el7.x86_64 --nodeps | ||
| [root@VM-24-12-centos ~]# rpm -qa|grep -i mariadb-libs | ||
| 1 | ||
| 2 | ||
| 3、以上都准备就绪，进行正式安装Mysql | ||
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| （1）解压二级制安装包 | ||
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| [root@VM-24-12-centos tools]# tar -zxvf mysql-5.7.30-linux-glibc2.12-x86_64.tar.gz | ||
| [root@VM-24-12-centos tools]# ll | ||
| total 644560 | ||
| drwxr-xr-x 9 root root 4096 Aug 24 09:47 mysql-5.7.30-linux-glibc2.12-x86_64 | ||
| -rw-r--r-- 1 root root 660017902 Aug 22 16:01 mysql-5.7.30-linux-glibc2.12-x86_64.tar.gz | ||
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| （2）复制到/usr/local/目录下 | ||
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| [root@VM-24-12-centos tools]# cp mysql-5.7.30-linux-glibc2.12-x86_64 /usr/local/mysql -r | ||
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| （3）添加系统mysql组和mysql用户 | ||
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| [root@VM-24-12-centos tools]# groupadd mysql | ||
| [root@VM-24-12-centos tools]# useradd -r -g mysql mysql | ||
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| （4）进入/usr/local/mysql目录，创建data和logs目录 | ||
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| [root@VM-24-12-centos tools]# cd /usr/local/mysql/ | ||
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| （5）把data和logs目录权限分配给mysql用户 | ||
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| [root@VM-24-12-centos mysql]# chown mysql:mysql data/ logs/ | ||
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| （6）切换/ect目录创建my.cnf文件并进行配置 | ||
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| [root@VM-24-12-centos etc]# vim my.cnf | ||
| [mysqld] | ||
| # 端口 | ||
| port = 3306 | ||
| socket = /tmp/mysql.sock | ||
| pid-file = /usr/local/mysql/data/mysql.pid | ||
| # 设置服务端字节集 | ||
| character-set-server = utf8 | ||
| # 设置Mysql的安装目录 | ||
| basedir = /usr/local/mysql | ||
| # 设置Mysql数据库数据存储目录 | ||
| datadir = /usr/local/mysql/data | ||
| # 允许最大连接数 | ||
| max_connections = 1000 | ||
| # 创建新表时使用默认存储引擎 | ||
| default-storage-engine = INNODB | ||
| # 设置错误日志 | ||
| log-error = /usr/local/mysql/logs/error.log | ||
| sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES | ||
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| （7）切回/usr/local/mysql目录进行初始化 | ||
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| [root@VM-24-12-centos mysql]# ./bin/mysqld --initialize --user=mysql | ||
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| （8）如果初始化出现“libaio.so”错误，需安装libaio依赖 | ||
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| # 错误信息 | ||
| error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory | ||
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| # 安装libaio依赖 | ||
| [root@VM-24-12-centos mysql]# yum install -y libaio 或 apt-get install libaio1 -y | ||
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| （9）查看日志是否初始化成功 | ||
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| [root@VM-24-12-centos mysql]# tail ./logs/error.log | ||
| 2022-08-24T02:06:45.022315Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). | ||
| 2022-08-24T02:06:45.022376Z 0 [Warning] 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release. | ||
| 2022-08-24T02:06:45.022380Z 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set. | ||
| 2022-08-24T02:06:45.332738Z 0 [Warning] InnoDB: New log files created, LSN=45790 | ||
| 2022-08-24T02:06:45.399016Z 0 [Warning] InnoDB: Creating foreign key constraint system tables. | ||
| 2022-08-24T02:06:45.480359Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 678a7430-2351-11ed-9619-525400b79b9b. | ||
| 2022-08-24T02:06:45.484165Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened. | ||
| 2022-08-24T02:06:46.475548Z 0 [Warning] CA certificate ca.pem is self signed. | ||
| 2022-08-24T02:06:46.725491Z 1 [Note] A temporary password is generated for root@localhost: 0ayYRHdEOa;* | ||
| # 未出现[ERROR]错误并且root@localhost密码已显示出来此说明已安装成功 | ||
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| （10）启动Mysql服务 | ||
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| [root@VM-24-12-centos mysql]# service mysql start | ||
| Redirecting to /bin/systemctl start mysql.service | ||
| Failed to start mysql.service: Unit not found. | ||
| # 出现类似问题说明Mysql服务未添加到系统中，需手动添加 | ||
| [root@VM-24-12-centos mysql]# cp support-files/mysql.server /etc/init.d/mysql | ||
| # 再次启动 | ||
| [root@VM-24-12-centos mysql]# service mysql start | ||
| Starting MySQL. SUCCESS! | ||
| # 出现“SUCCESS”表示已启动成功 | ||
| # 查看Mysql进程 | ||
| [root@VM-24-12-centos mysql]# ps -ef|grep mysql | ||
| root 14289 1 0 10:21 pts/1 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/usr/local/mysql/data --pid-file=/usr/local/mysql/data/mysql.pid | ||
| mysql 14504 14289 1 10:21 pts/1 00:00:00 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=/usr/local/mysql/logs/error.log --pid-file=/usr/local/mysql/data/mysql.pid --socket=/tmp/mysql.sock --port=3306 | ||
| root 14609 13867 0 10:22 pts/1 00:00:00 grep --color=auto mysql | ||
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| （11）登录Mysql服务并重置root密码 | ||
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| [root@VM-24-12-centos mysql]# mysql -uroot -p | ||
| -bash: mysql: command not found | ||
| # 出现类似问题需把Mysql放到/user/bin目录下 | ||
| [root@VM-24-12-centos mysql]# ln -s /usr/local/mysql/bin/mysql /usr/bin | ||
| # 再次登录 | ||
| [root@VM-24-12-centos mysql]# mysql -uroot -p | ||
| Enter password: 0ayYRHdEOa;* | ||
| Welcome to the MySQL monitor. Commands end with ; or \g. | ||
| Your MySQL connection id is 5 | ||
| Server version: 5.7.30 | ||
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| Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved. | ||
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| Oracle is a registered trademark of Oracle Corporation and/or its | ||
| affiliates. Other names may be trademarks of their respective | ||
| owners. | ||
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| Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. | ||
| # 重置root密码 | ||
| mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456'; | ||
| Query OK, 0 rows affected (0.00 sec) | ||
| # 刷新权限 | ||
| mysql> flush privileges; | ||
| Query OK, 0 rows affected (0.00 sec) | ||
| # 退出 | ||
| mysql> quit; | ||
| Bye | ||
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| # 再次登录 | ||
| [root@VM-24-12-centos mysql]# mysql -uroot -p | ||
| Enter password: 123456 | ||
| Welcome to the MySQL monitor. Commands end with ; or \g. | ||
| Your MySQL connection id is 6 | ||
| Server version: 5.7.30 MySQL Community Server (GPL) | ||
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| Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved. | ||
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| Oracle is a registered trademark of Oracle Corporation and/or its | ||
| affiliates. Other names may be trademarks of their respective | ||
| owners. | ||
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| Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. | ||
| # 查看用户 | ||
| mysql> select host,user,authentication_string from mysql.user; | ||
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| （12）root用户开启远程访问 | ||
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| mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456'; | ||
| Query OK, 0 rows affected, 1 warning (0.00 sec) | ||
| # 查看用户 | ||
| mysql> select host,user,authentication_string from mysql.user; | ||
| +-----------+---------------+-------------------------------------------+ | ||
| | host | user | authentication_string | | ||
| +-----------+---------------+-------------------------------------------+ | ||
| | localhost | root | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 | | ||
| | localhost | mysql.session | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | | ||
| | localhost | mysql.sys | *THISISNOTAVALIDPASSWORDTHATCANBEUSEDHERE | | ||
| | % | root | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 | | ||
| +-----------+---------------+-------------------------------------------+ | ||
| 4 rows in set (0.00 sec) | ||
| # 刷新权限 | ||
| mysql> flush privileges; | ||
| Query OK, 0 rows affected (0.00 sec) | ||
| # 退出 | ||
| mysql> quit; | ||
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| （13）本地用Navicat连接验证远程访问是否设置成功 |