云服务器centos7安装mysql8
1.先去官网准备好几个安装包:

2.tar -xvf mysql-8.0.26-1.el8.x86_64.rpm-bundle.tar

3.可能需要卸载系统中自带的mariadb
rpm -qa|grep mariadb

rpm -e --nodeps mariadb-connector-c-3.1.11-2.oc8.1.x86_64
rpm -e --nodeps mariadb-connector-c-config-3.1.11-2.oc8.1.noarch

4.rpm -ivh mysql-community-common-8.0.26-1.el8.x86_64.rpm

5.rpm -ivh mysql-community-client-plugins-8.0.26-1.el8.x86_64.rpm

6.rpm -ivh mysql-community-libs-8.0.26-1.el8.x86_64.rpm

7.rpm -ivh mysql-community-client-8.0.26-1.el8.x86_64.rpm

8.rpm -ivh mysql-community-server-8.0.26-1.el8.x86_64.rpm

9.mysqld --initialize --console

10.chown -R mysql:mysql /var/lib/mysql/

11. systemctl start mysqld

12.cat /var/log/mysqld.log|grep localhost

13.mysql -uroot -p

14.修改密码
alter user 'root'@'localhost' identified by 'amz@2023';


15.use mysql;
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'amz@2023';
grant all privileges on *.* to 'root'@'%';
flush privileges;


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