1、下载Mysql安装包

访问官网下载链接 链接: https://dev.mysql.com/downloads/mysql/

选择如下 点击下载按钮 下载安装包

2、安装Mysql 8.35

官方安装文档 链接: https://dev.mysql.com/doc/mysql-installation-excerpt/8.0/en/binary-installation.html

2.1、安装依赖包

yum search libaio

yum install libaio

2.2、安装Mysql

命令顺序如下 安装包放在/root/package/mysql/mysql-8.0.35-linux-glibc2.28-x86_64.tar.xz

groupadd mysql
useradd -r -g mysql -s /bin/false mysql
cd /usr/local
tar xvf /root/package/mysql/mysql-8.0.35-linux-glibc2.28-x86_64.tar.xz
ln -s /usr/local/mysql-8.0.35-linux-glibc2.28-x86_64/ mysql
cd mysql
mkdir mysql-files
chown mysql:mysql mysql-files
chmod 750 mysql-files

echo -e "[mysqld]\nbasedir=/opt/mysql/mysql\ndatadir=/opt/mysql/mysql/data\necho socket=/var/lib/mysql/mysql.sock >> /etc/my.cnf" >> /etc/my.cnf

mkdir -p /opt/mysql/mysql/data/
mkdir -p /opt/mysql/mysql
bin/mysqld --defaults-file=/etc/my.cnf --initialize --user=mysql
  
bin/mysql_ssl_rsa_setup
bin/mysqld_safe --user=mysql &
# Next command is optional
cp support-files/mysql.server /etc/init.d/mysql.server

执行bin/mysqld --initialize --user=mysql 会打印出Mysql的默认密码

8B<Sr<,ad_qo

添加mysql的环境变量

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

2.3、安装后配置

链接: https://dev.mysql.com/doc/mysql-installation-excerpt/8.0/en/postinstallation.html
修改Mysql默认密码

ALTER USER 'root'@'localhost' IDENTIFIED BY 'root-password';