Linux MySql多版本安装教程

1. 下载各个版本mysql

5.7:

wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-5.7.35-linux-glibc2.12-x86_64.tar.gz

8.0: 

wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.20-linux-glibc2.12-x86_64.tar.xz

2.解压

使用  tar  -zxvf *.tar.gz

如果是.xz格式可以使用  tar  -Jxvf  *.tar.xz

3.迁移文件夹

mv mysql-5.7.35-linux-glibc2.12-x86_64 /usr/local/mysql
mv mysql-8.0.20-linux-glibc2.12-x86_64 /usr/local/mysql8

4. 创建数据存储文件
mkdir -p /data/mysql/mysql5.7
mkdir -p /data/mysql/mysql5.8

5. 添加用户、赋予权限
groupadd mysql

useradd -g mysql mysql

chown -R mysql:mysql /data/mysql

chmod -R 755 /data/mysql

6. 配置my.cnf

参考:文章附件

7.到对应mysql根目录初始化MySQL并在datadir下的error.log中找到密码记下

./mysqld  --initialize --lower_case_table_names=1 --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql/mysql5.7;

5.7:yu,Yf+iM1%Fu

./mysqld  --initialize --lower_case_table_names=1 --user=mysql --basedir=/usr/local/mysql8 --datadir=/data/mysql/mysql5.8;

5.8: klkOTJVl>8V8

8.开启ssl访问:

/usr/local/mysql/bin/mysql_ssl_rsa_setup --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql/mysql5.7


/usr/local/mysql8/bin/mysql_ssl_rsa_setup --user=mysql --basedir=/usr/local/mysql8 --datadir=/data/mysql/mysql5.8

9.授权生成sock

sudo chown -R mysql:mysql /usr/local/mysql

sudo chown -R mysql:mysql /usr/local/mysql8

10.启动MySQL

mysqld_multi start 3306

mysqld_multi start 3307

如提示my_print_defaults command not found,可在/etc/profile 末尾增加

export PATH=/usr/local/mysql8/bin:$PATH

11.查看启动状态
mysqld_multi report

12. 分别进入各个版本MySQL去进行密码修改和端口开放操作
/usr/local/mysql/bin/mysql -S  /usr/local/mysql/mysql.sock -p'yu,Yf+iM1%Fu'

ALTER USER 'root'@'localhost' IDENTIFIED BY '123456' PASSWORD EXPIRE NEVER;

update user set host='%' where user='root';

flush privileges;

/usr/local/mysql8/bin/mysql -S  /usr/local/mysql8/mysql.sock -p'klkOTJVl>8V8'

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转载自blog.csdn.net/qq_29096505/article/details/142355780