一、 yum在线安装

1、 下载并安装MySQL官方的 Yum Repository

  [root@localhost  ~]# dnf install https://repo.mysql.com//mysql80-community-release-el9-1.noarch.rpm  
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2、 直接安装mysql-server

[root@localhost ~]# dnf install mysql-server 
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3、 启动服务

  [root@localhost ~]# systemctl start mysqld.service  
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4、 查看临时密码

  [root@localhost ~]# grep 'temporary password' /var/log/mysqld.log  
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5、 使用临时密码进行登录

 [root@localhost ~]# mysql -uroot -p 
 Enter password: 临时密码  
 Welcome to the MySQL monitor. Commands end with ; or \g.  Your MySQL connection id is 11  Server version: 8.0.30     Copyright (c) 2000, 2022, Oracle and/or its affiliates.     Oracle is a registered trademark of Oracle Corporation  and/or its  affiliates. Other names may be trademarks of their  respective  owners.   
 Type 'help;' or '\h' for help. Type '\c' to clear the  current input statement.    
 mysql>  
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6、 如果需要更改密码，则使用下面语句

 mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY  'MyNewPass4!';  

更改之后，则可以使用新密码登录。
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如果没有找到日志文件，则可以查找 /var/log/mysql/mysqld.log，如果没有密码，则默认是空密码。

二、 本地rpm安装

mysql-8.0.30-1.el9.x86_64.rpm-bundle.tar可私信我获取

  [root@localhost ~]#tar -xvf mysql-8.0.30-1.el9.x86_64.rpm-bundle.tar
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解压完成后，

[root@localhost ~]# ll  
total 1404324  
-rw-------. 1 root root    1263 Aug 1 15:28 anaconda-ks.cfg 
-rw-r--r--. 1 root root   719001600 Aug 1 15:58  mysql-8.0.30-1.el9.x86_64.rpm-bundle.tar 
-rw-r--r--. 1 7155 31415  3916868 Jul 7 16:00 mysql-community-client-8.0.30-1.el9.x86_64.rpm 
-rw-r--r--. 1 7155 31415   26442246 Jul 7 16:00  mysql-community-client-debuginfo-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415  1418745 Jul 7 16:00  mysql-community-client-plugins-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415  1709331 Jul 7 16:00  mysql-community-client-plugins-debuginfo-8.0.30-1.el9.x86_64.rpm  -rw-r--r--. 1 7155 31415  547247 Jul 7 16:00  mysql-community-common-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415  4776730 Jul 7 16:01 mysql-community-debuginfo-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415   19086325 Jul 7 16:01  mysql-community-debugsource-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415  2226982 Jul 7 16:01  mysql-community-devel-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415  2255475 Jul 7 16:01  mysql-community-icu-data-files-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415  1523965 Jul 7 16:02  mysql-community-libs-8.0.30-1.el9.x86_64.rpm 
-rw-r--r--. 1 7155 31415  2366903 Jul 7 16:02 mysql-community-libs-debuginfo-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415   50009730 Jul 7 16:02  mysql-community-server-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415   21184990 Jul 7 16:02  mysql-community-server-debug-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415 133498631 Jul 7 16:02  mysql-community-server-debug-debuginfo-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415 168345073 Jul 7 16:03  mysql-community-server-debuginfo-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415 261380651 Jul 7 16:04  mysql-community-test-8.0.30-1.el9.x86_64.rpm  
-rw-r--r--. 1 7155 31415   18294573 Jul 7 16:04  mysql-community-test-debuginfo-8.0.30-1.el9.x86_64.rpm  
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使用dnf进行安装

 [root@localhost ~]# dnf localinstall  mysql-community-server-8.0.30-1.el9.x86_64.rpm \  mysql-community-client-8.0.30-1.el9.x86_64.rpm \  mysql-community-common-8.0.30-1.el9.x86_64.rpm \  mysql-community-icu-data-files-8.0.30-1.el9.x86_64.rpm \  mysql-community-libs-8.0.30-1.el9.x86_64.rpm \  mysql-community-client-plugins-8.0.30-1.el9.x86_64.rpm  
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其他操作和仓库安装一样

三、 源码安装

 [root@localhost ~]# mkdir /mysql  [root@localhost ~]# mv mysql-boost-8.0.29.tar.gz /mysql/  [root@localhost ~]# cd /mysql/  [root@localhost mysql]# tar xvf  mysql-boost-8.0.29.tar.gz  
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解压完成后

[root@localhost mysql]# cd mysql-8.0.29/ 
[root@localhost mysql-8.0.29]# groupadd mysql  [root@localhost mysql-8.0.29]# useradd -r -g mysql -s  /bin/false mysql  
[root@localhost mysql-8.0.29]# mkdir bld  
[root@localhost mysql-8.0.29]# cd bld/  
[root@localhost bld]# dnf install cmake gcc gcc-c++  [root@localhost bld]# yum install gcc-toolset-11-gcc  gcc-toolset-11-gcc-c++ gcc-toolset-11-binutils ncurses-devel libtirpc-devel     
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注意：该文件本地仓库没有，需要自行下载

[root@localhost bld]# rpm -i  rpcgen-1.3.1-4.el8.x86_64.rpm 
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开始cmake

[root@localhost bld]# cmake .. -DDOWNLOAD_BOOST=1  -DWITH_BOOST=../boost/boost_1_77_0/  
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完成后，在虚拟机终端里进行make

 [root@localhost bld]# make;make install  
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