Linux MySQL下载安装详细教程（CentOS版）

rpm -qa|grep mariadb

rpm -e --nodeps mariadb-libs

tar -xvf mysql-8.0.29-1.el7.x86_64.rpm-bundle.tar

yum -y install net-tools

rpm -ivh  mysql-community-common-8.0.29-1.el7.x86_64.rpm

rpm -ivh  mysql-community-libs-8.0.29-1.el7.x86_64.rpm --force --nodeps

 rpm -ivh mysql-community-client-8.0.29-1.el7.x86_64.rpm --force --nodeps

rpm -ivh mysql-community-server-8.0.29-1.el7.x86_64.rpm --force --nodeps

mysqld --initialize --console

yum install -y libaio.so.1
#如果执行了上面的命令不行，再试以下这一条命令
yum install -y libaio

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

systemctl start mysqld

systemctl status mysqld

 cat /var/log/mysqld.log

mysql -u root -p

alter USER 'root'@'localhost' IDENTIFIED BY '123456';

show databases;

use mysql;

select host, user, authentication_string, plugin from user;

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

select host, user, authentication_string, plugin from user;

flush privileges;

exit;