外网mysql源目录主要有apt和yum目录，apt目录大小17G，yum大小99G
1.后台同步命令：会经常断，最好用脚本监控一下，断了再执行，是增量同步
nohup rsync -avz --delete rsync://mirrors.tuna.tsinghua.edu.cn/mysql/ ./ &
2.同步后把apt目录和yum目录打包传内网
3.通过nginx配置访问
4.配置服务器源文件
ubuntu系统
#ubuntu系统编译配置文件：vim /etc/apt/sources.list.d/mysql.list
Ubuntu 24.04 (noble)
deb http://192.168.1.1:8888/mysql/apt/ubuntu noble main
Ubuntu 22.04 (jammy)
deb http://192.168.1.1:8888/mysql/apt/ubuntu jammy main
Ubuntu 20.04 (focal)
deb http://192.168.1.1:8888/mysql/apt/ubuntu focal main
Ubuntu 18.04 (bionic)
deb http://192.168.1.1:8888/mysql/apt/ubuntu bionic main
#更新源
apt update
# 查看所有 MySQL Server 包版本
apt list -a mysql-server
apt list -a mysql-community-server
# 安装最新 8.0
sudo apt install mysql-server
# 安装特定版本
sudo apt install mysql-community-server=8.0.33-1ubuntu22.04
# 安装 5.7
sudo apt install mysql-community-server=5.7.44-1ubuntu20.04
centos系统
#编译配置文件：vim /etc/yum.repos.d/mysql.repo
mysql-5.7-community
name=MySQL 5.7 Community Server
baseurl=http://192.168.1.1:8888/mysql/yum/mysql-5.7-community-el7-x86_64/
gpgkey=http://192.168.1.1:8888/mysql/yum/mysql-5.7-community-el7-x86_64/RPM-GPG-KEY-mysql
gpgcheck=1
enabled=1
module_hotfixes=1
mysql-8.0-community
name=MySQL 8.0 Community Server
baseurl=http://192.168.1.1:8888/mysql/yum/mysql-8.0-community-el$releasever-$basearch/
gpgkey=http://192.168.1.1:8888/mysql/yum/mysql-8.0-community-el7-x86_64/RPM-GPG-KEY-mysql
gpgcheck=1
enabled=1
module_hotfixes=1
mysql-8.4-community
name=MySQL 8.4 Community Server
baseurl=http://192.168.1.1:8888/mysql/yum/mysql-8.4-community-el$releasever-$basearch/
gpgkey=http://192.168.1.1:8888/mysql/yum/mysql-8.4-community-el9-x86_64/RPM-GPG-KEY-mysql
gpgcheck=1
enabled=1
module_hotfixes=1
工具包（推荐启用）
mysql-connectors-community
name=MySQL Connectors Community
baseurl=http://192.168.1.1:8888/mysql/yum/mysql-connectors-community-el$releasever-$basearch/
gpgkey=http://192.168.1.1:8888/mysql/yum/mysql-connectors-community-el7-x86_64/RPM-GPG-KEY-mysql
gpgcheck=1
enabled=1
mysql-tools-community
name=MySQL Tools Community
baseurl=http://192.168.1.1:8888/mysql/yum/mysql-tools-community-el$releasever-$basearch/
gpgkey=http://192.168.1.1:8888/mysql/yum/mysql-tools-community-el7-x86_64/RPM-GPG-KEY-mysql
gpgcheck=1
enabled=1
#查看有哪些支持的mysql版本
yum --showduplicates list mysql-community-server
**#安装命令
安装 MySQL 8.0 最新版**
yum install mysql-community-server
# 安装特定版本（如 8.0.33）
yum install mysql-community-server-8.0.33
# 安装 MySQL 8.4
yum install mysql-community-server --enablerepo=mysql-8.4-community
# 或直接指定版本包
yum install mysql-community-server-8.4.2