转载博主：https://blog.csdn.net/z13615480737/article/details/78906598
yum -y install mysql-server 报错：
Removing mariadb-libs.x86_64 1:5.5.56-2.el7 - u due to obsoletes from mysql-community-libs.x86_64 0:5.6.38-2.el7 - u
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package mariadb.x86_64 1:5.5.56-2.el7 will be an update
---> Package mariadb-libs.x86_64 1:5.5.56-2.el7 will be an update
---> Package mariadb-server.x86_64 1:5.5.56-2.el7 will be an update
--> Processing Dependency: mariadb-server for package: akonadi-mysql-1.9.2-4.el7.x86_64
--> Finished Dependency Resolution
Error: Package: akonadi-mysql-1.9.2-4.el7.x86_64 (@anaconda)
Requires: mariadb-server
Removing: 1:mariadb-server-5.5.52-1.el7.x86_64 (@anaconda)
mariadb-server = 1:5.5.52-1.el7
Obsoleted By: mysql-community-server-5.6.38-2.el7.x86_64 (mysql56-community)
Not found
Updated By: 1:mariadb-server-5.5.56-2.el7.x86_64 (base)
mariadb-server = 1:5.5.56-2.el7
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：
yum -y remove mariadb-libs
运行
yum install mysql-community-server
配置mysql
service mysqld restart
mysql -u root
mysql> set password for ‘root‘@‘localhost‘ =password(‘your password‘);
转载博主：https://www.cnblogs.com/xuyatao/p/7998057.html