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在CentOS 7上安装MySql失败

mysqlcentos7
9
为什么这与Mariadb有关？我刚刚安装了CentOS 7，并想要安装MySQL社区版。看起来它说我必须先安装Mariadb服务器？
# yum install mysql-community-server
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: linux.mirrors.es.net
 * extras: linux.mirrors.es.net
 * updates: linux.mirrors.es.net
Resolving Dependencies
--> Running transaction check
---> Package mariadb-server.x86_64 1:5.5.35-3.el7 will be obsoleted
--> Processing Dependency: mariadb-server for package: akonadi-mysql-1.9.2-4.el7.x86_64
---> Package mysql-community-server.x86_64 0:5.6.25-2.el7 will be obsoleting
--> Processing Dependency: mysql-community-common(x86-64) = 5.6.25-2.el7 for package: mysql-community-server-5.6.25-2.el7.x86_64
--> Processing Dependency: mysql-community-client(x86-64) = 5.6.25-2.el7 for package: mysql-community-server-5.6.25-2.el7.x86_64
--> Running transaction check
---> Package mariadb.x86_64 1:5.5.35-3.el7 will be obsoleted
---> Package mariadb-server.x86_64 1:5.5.35-3.el7 will be updated
---> Package mariadb-server.x86_64 1:5.5.41-2.el7_0 will be an update
--> Processing Dependency: mariadb-libs(x86-64) = 1:5.5.41-2.el7_0 for package: 1:mariadb-server-5.5.41-2.el7_0.x86_64
--> Processing Dependency: mariadb(x86-64) = 1:5.5.41-2.el7_0 for package: 1:mariadb-server-5.5.41-2.el7_0.x86_64
---> Package mysql-community-client.x86_64 0:5.6.25-2.el7 will be obsoleting
---> Package mysql-community-common.x86_64 0:5.6.25-2.el7 will be installed
--> Running transaction check
---> Package mariadb.x86_64 1:5.5.35-3.el7 will be updated
---> Package mariadb.x86_64 1:5.5.41-2.el7_0 will be an update
---> Package mariadb-libs.x86_64 1:5.5.35-3.el7 will be obsoleted
---> Package mariadb-libs.x86_64 1:5.5.35-3.el7 will be updated
---> Package mariadb-libs.x86_64 1:5.5.41-2.el7_0 will be an update
---> Package mysql-community-libs.x86_64 0:5.6.25-2.el7 will be obsoleting
Removing mariadb-server.x86_64 1:5.5.41-2.el7_0 - u due to obsoletes from mysql-community-server.x86_64 0:5.6.25-2.el7 - u
Removing mariadb.x86_64 1:5.5.41-2.el7_0 - u due to obsoletes from mysql-community-client.x86_64 0:5.6.25-2.el7 - u
Removing mariadb-libs.x86_64 1:5.5.41-2.el7_0 - u due to obsoletes from mysql-community-libs.x86_64 0:5.6.25-2.el7 - u
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package mariadb.x86_64 1:5.5.41-2.el7_0 will be an update
---> Package mariadb-libs.x86_64 1:5.5.41-2.el7_0 will be an update
---> Package mariadb-server.x86_64 1:5.5.41-2.el7_0 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-5.5.35-3.el7.x86_64 (@anaconda)
               mariadb-server = 1:5.5.35-3.el7
           Obsoleted By: mysql-community-server-5.6.25-2.el7.x86_64 (mysql56-community)
               Not found
           Updated By: 1:mariadb-server-5.5.41-2.el7_0.x86_64 (base)
               mariadb-server = 1:5.5.41-2.el7_0
2
MariaDB是MySQL的兼容实现，已经安装在您的服务器上。但是安装MySQL社区发行版会替换它，据我所知，这两个不能共存于同一安装中。看起来akonadi具有mariadb依赖项，而MySQL社区不满足此依赖项。您需要akonadi吗？（KDE桌面的一部分） - Michael Berkowski
我在OpenShift上有一个应用程序，那里的数据库是MySql。我不确定是否需要Akonadi，但我正在使用KDE桌面。如果我卸载MariaDB，它会允许我安装MySql吗？ - user697911
它调用的可执行文件不是 mariadb，而是 mysql，因为它是一个完全兼容的替代品。在不改变原来的 MariaDB 设置的情况下，在命令行上运行 mysql（您可能需要通过 sudo systemctl start mysqld.service 启动服务器）。客户端应该会启动，并且提示符将类似于 MariaDB [(none)]>。与 MySQL 完全一样地交互，使用它的应用程序将看不到任何区别。 - Michael Berkowski
MySQL的名字是以作者的第一个女儿命名的，而MariaDB则是以他的第二个女儿命名的。https://mariadb.com/kb/en/mariadb/why-is-the-project-called-mariadb/ - Michael Berkowski
了解这点很好。谢谢。 - user697911
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2个回答
18

在CentOS 7中，MariaDB已经安装。因此，您遇到了问题。{MariaDB是MySQL的兼容实现}。 如果要安装MySQL，请先删除当前的MariDB。

步骤1：完全删除MariaDB 即 yum -y remove mariadb-libs

步骤2：安装MySQL

     i. wget http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm
     ii. yum localinstall mysql57-community-release-el7-7.noarch.rpm
     iii. yum repolist enabled | grep "mysql.*-community.*"
     iv. yum install mysql-community-server
     v. yum-config-manager --disable mysql57-community
     vi. yum-config-manager --enable mysql56-community
     viii. service mysqld start
     ix. service mysqld status
     x. mysql --version
     xi. mysql -u root -p

此致敬礼，

Manjunath Naik

这个问题导致了我的 Plesk 安装崩溃。我已经挂了 x_x。 - Javan R.
8

您应该首先删除Maiadb。

# yum -y remove mariadb-libs
2
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