mysql官网地址：MySQL :: Download MySQL Community Server (Archived Versions)
1.上传到 /usr/local 路径下
2.解压
tar -xvf mysql-8.0.31-linux-glibc2.12-x86_64.tar.xz
3.重命名
mv mysql-8.0.31-linux-glibc2.12-x86_64.tar.xz mysql4.创建mysql用户组和用户并修改权限
groupadd mysql
useradd -r -g mysql mysql
5.创建目录并赋予权限
mkdir -p /data/mysql #创建目录
chown mysql:mysql -R /data/mysql #赋予权限
6.配置my.cnf文件
vim /etc/my.cnf
[mysqld]
bind-address=0.0.0.0
port=3306
user=mysql
basedir=/usr/local/mysql
datadir=/data/mysql
socket=/tmp/mysql.sock
log-error=/data/mysql/mysql.err
pid-file=/data/mysql/mysql.pid
#character config
character_set_server=utf8mb4
symbolic-links=0
explicit_defaults_for_timestamp=true
7.初始化
cd /usr/local/mysql/bin/
./mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql/ --datadir=/data/mysql/ --user=mysql --initialize
8.查看密码
cat /data/mysql/mysql.err
9.将mysql.server放置到/etc/init.d/mysql中
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
10.启动
service mysql start11.修改默认密码
./mysql -u root -p #bin目录下
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';
flush privileges;
12.配置远程连接
use mysql;
update user set host='%' where user='root';
flush privileges;
13.查看安装路径和安装环境是否正常
whereis mysql;
whereis mysqldump;
***如果少了需要手动配置
vi /etc/profile
在最后一行添加
export PATH=$PATH:/usr/local/mysql/bin
source /etc/profile
