wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm rpm -ivh mysql-community-release-el7-5.noarch.rpm yum install mysql-community-server
错误信息：
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-server.x86_64 0:8.0.23-1.el6 will be installed
--> Processing Dependency: mysql-community-common(x86-64) = 8.0.23-1.el6 for package: mysql-community-server-8.0.23-1.el6.x86_64
--> Processing Dependency: mysql-community-client(x86-64) >= 8.0.11 for package: mysql-community-server-8.0.23-1.el6.x86_64
--> Running transaction check
---> Package mysql-community-client.x86_64 0:8.0.23-1.el6 will be installed
--> Processing Dependency: mysql-community-client-plugins = 8.0.23-1.el6 for package: mysql-community-client-8.0.23-1.el6.x86_64
--> Processing Dependency: mysql-community-libs(x86-64) >= 8.0.11 for package: mysql-community-client-8.0.23-1.el6.x86_64
---> Package mysql-community-common.x86_64 0:8.0.23-1.el6 will be installed
--> Running transaction check
---> Package mysql-community-client-plugins.x86_64 0:8.0.23-1.el6 will be installed
--> Processing Dependency: libsasl2.so.2()(64bit) for package: mysql-community-client-plugins-8.0.23-1.el6.x86_64
---> Package mysql-community-libs.x86_64 0:8.0.23-1.el6 will be installed
--> Finished Dependency Resolution
Error: Package: mysql-community-client-plugins-8.0.23-1.el6.x86_64 (mysql)
Requires: libsasl2.so.2()(64bit)
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest
报错原因 ：软件包依赖 mariadb组件
解决方案：
删除依赖包：yum -y remove mariadb-libs
重新再安装：yum install mysql-community-server
配置mysql:
service mysqld restart
mysql -u root
mysql> set password for 'root'@'localhost' =password('your password');