mysql安装出现未响应

#!/bin/bash

# 检查系统资源
if [ $(free -m | awk 'NR==2{printf "%.2f\n", $3*100/$2 }') -gt 80 ]; then
    echo "系统内存不足，请释放一些内存后重试。"
    exit 1
fi

# 检查磁盘空间
if [ $(df -h / | awk 'NR==2{print $5}' | sed 's/%//g') -gt 80 ]; then
    echo "磁盘空间不足，请释放一些空间后重试。"
    exit 1
fi

# 下载MySQL安装包
wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.26-linux-glibc2.12-x86_64.tar.xz

# 解压安装包
tar -xvf mysql-8.0.26-linux-glibc2.12-x86_64.tar.xz -C /usr/local/

# 创建MySQL用户和组
groupadd mysql
useradd -r -g mysql -s /bin/false mysql

# 安装MySQL
cd /usr/local/mysql-8.0.26-linux-glibc2.12-x86_64
mkdir mysql-files
chown mysql:mysql mysql-files
chmod 750 mysql-files
bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql-8.0.26-linux-glibc2.12-x86_64 --datadir=/usr/local/mysql-8.0.26-linux-glibc2.12-x86_64/data
bin/mysql_ssl_rsa_setup --datadir=/usr/local/mysql-8.0.26-linux-glibc2.12-x86_64/data
bin/mysqld_safe --user=mysql &

echo "MySQL安装完成，请检查日志文件以获取更多信息。"