20230113--Alma Linux 8安装数据库（MySQ

依赖包安装

# dnf yum -y install wget  cmake gcc gcc-c++ ncurses  ncurses-devel  libaio-devel  openssl openssl-devel perl

创建mysql用户

# groupadd mysql
# useradd mysql -d /var/lib/mysql/ -g mysql
# tail -1  /etc/passwd
mysql:x:1000:1000::/var/lib/mysql/:/bin/bash

获取mysql-8.0.31安装包

# wget -c https://dev.mysql.com/get/mysql-8.0.31-1.el8.x86_64.rpm-bundle.tar
# tar -xvf mysql-8.0.31-1.el8.x86_64.rpm-bundle.tar

安装mysql

# rpm -ivh mysql-community-common-8.0.31-1.el8.x86_64.rpm 
# rpm -ivh mysql-community-client-plugins-8.0.31-1.el8.x86_64.rpm 
# rpm -ivh mysql-community-libs-8.0.31-1.el8.x86_64.rpm 
# rpm -ivh mysql-community-client-8.0.31-1.el8.x86_64.rpm 
# rpm -ivh mysql-community-icu-data-files-8.0.31-1.el8.x86_64.rpm 
# rpm -ivh mysql-community-server-8.0.31-1.el8.x86_64.rpm 

初始化mysql数据库

# mysqld --initialize --console

查看数据库初始化密码

# cat /var/log/mysqld.log  | grep localhost
2023-01-13T19:01:34.497431Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: yl)TpkEQj9B6

启动mysql服务

# chmod 777 /var/lib/mysql/auto.cnf
# chown -R mysql:mysql /var/lib/mysql/
# systemctl start mysqld
# systemctl status mysqld
# systemctl enable mysqld

确认数据库版本

# mysqladmin --version
mysqladmin  Ver 8.0.31 for Linux on x86_64 (MySQL Community Server - GPL)

确认mysql版本

# mysqladmin --version
mysqladmin  Ver 8.0.31 for Linux on x86_64 (MySQL Community Server - GPL)

修改mysql数据库root密码

# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.31

Copyright (c) 2000, 2022, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.03 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> 

开启开启mysql的远程访问

mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> update user set host='%' where user='root';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)

mysql>