安装包下载地址
https://downloads.mysql.com/archives/community/
解压：
解压源代码
mysql-5.7.44-linux-glibc2.12-x86_64.tar
获取到
mysql-5.7.44-linux-glibc2.12-x86_64.tar.gz
mysql-test-5.7.44-linux-glibc2.12-x86_64.tar.gz
解压源代码
mysql-5.7.44-linux-glibc2.12-x86_64.tar.gz
重命名并且移动位置
mv mysql-5.7.44-linux-glibc2.12-x86_64 /usr/local/mysql
安装：注意日志结尾默认密码输出
/usr/local/mysqld --initialize --user=mysql
日志输出：
2024-08-07T08:48:14.133442Z 1 Note A temporary password is generated for root@localhost: uM#ICv-Hp30k
开机启动配置
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
cp /usr/local/mysql/support-files/mysql.server /etc/systemd/system/mysqld
开机启动配置--生效
systemctl daemon-reload
systemctl enable mysqld
重置密码
set password = password("root@1234");
flush privileges;
exit；
设置远程连接
grant all privileges on *.* to 'root'@'%' identified by 'root@1234';