编写安装mysql脚本

#!/bin/bash

# 安装 MySQL 依赖
sudo apt-get update
sudo apt-get install -y wget lsb-release gnupg

# 添加 MySQL 官方 GPG 密钥
wget https://repo.mysql.com//RPM-GPG-KEY-mysql -O /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

# 添加 MySQL 源
echo "[mysql80-community]
name=MySQL 8.0 Community Server
baseurl=http://repo.mysql.com/yum/mysql-8.0-community/el/$(lsb_release -cs)/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql" | sudo tee /etc/yum.repos.d/mysql-community.repo

# 安装 MySQL 服务器
sudo yum install -y mysql-community-server

# 启动 MySQL 服务并设置开机自启
sudo systemctl start mysqld
sudo systemctl enable mysqld

# 运行安全脚本以提高安全性
sudo mysql_secure_installation