腾讯云centos7.7（64）服务器安装mysql8.0.23数据库

链接：https://blog.csdn.net/kunpeng_mubao/article/details/106698987

数据库安装：

下载：wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.23-1.el7.x86_64.rpm-bundle.tar

文件较大，云服务器下行带宽不够，可以本地下载上传至服务器

rpm -e mariadb-libs --nodeps

mkdir mysql 

cd mysql

tar -xvf mysql-8.0.23-1.el7.x86_64.rpm-bundle.tar

rpm -ivh mysql-community-common-8.0.23-1.el7.x86_64.rpm --nodeps --force

rpm -ivh mysql-community-libs-8.0.23-1.el7.x86_64.rpm --nodeps --force

rpm -ivh mysql-community-client-8.0.23-1.el7.x86_64.rpm --nodeps --force

rpm -ivh mysql-community-server-8.0.23-1.el7.x86_64.rpm --nodeps --force

yum install -y numactl

mysqld --initialize

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

systemctl enable mysqld

systemctl start mysqld.service

 初始随机密码登录，local密码重新设置：

cat /var/log/mysqld.log | grep password 查询初始密码     

mysql -uroot -p 初始随机密码登录

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '本地登录密码'';

远程密码登录设置：

local的新密码重新登录：mysql -uroot -p 

create user 'root'@'%' identified with mysql_native_password by '远程登录密码';

grant all privileges on *.* to 'root'@'%' with grant option;

flush privileges;