标题：Linux/CentOS下如何强制安装yum包~
出处：向东博客 专注WEB应用 构架之美 --- 构架之美，在于尽态极妍 | 应用之美，在于药到病除
时间：Fri, 23 Jun 2017 20:50:12 +0000
作者：jackxiang
地址：http://jackxiang.com/post/9238/

内容：
参考原文：
yum install -y yum-downloadonly

yum install PHP-MySQL -y --downloadonly --downloaddir=/opt

rpm -ivh --force --nodeps php-mysql-5.3.3-22.el6.x86_64.rpm

From:http://blog.csdn.net/anghlq/article/details/9165329
=====================================
实践如下：
yum install gcc autoconf cmake unzip vim libcurl-devel zlib-devel curl-devel expat-devel gettext-devel openssl-devel perl-devel nodejs libicu-devel wget curl mysql-devel
下载量：6.2 M
安装大小：31 M
Is this ok [y/d/N]: y
Downloading packages:
(1/5): gettext-devel-0.18.2.1-4.el7.x86_64.rpm                                                  | 315 kB  00:00:00     
(2/5): perl-Git-1.8.3.1-6.el7_2.1.noarch.rpm                                                    |  53 kB  00:00:00     
(3/5): mariadb-devel-5.5.52-1.el7.x86_64.rpm                                                    | 750 kB  00:00:00     
(4/5): mariadb-libs-5.5.52-1.el7.x86_64.rpm                                                     | 761 kB  00:00:00     
(5/5): git-1.8.3.1-6.el7_2.1.x86_64.rpm                                                         | 4.4 MB  00:00:04     
-----------------------------------------------------------------------------------------------------------------------
Transaction check error:
  file /etc/my.cnf from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package mysql-8.0.1-170622164613.el7.centos.x86_64

错误概要
-------------
yum install mariadb-libs-1:5.5.52-1.el7.x86_64 -y --downloadonly --downloaddir=/tmp
rpm -ihv  mariadb-libs-5.5.52-1.el7.x86_64.rpm  --nodeps --force


已安装:
  gettext-devel.x86_64 0:0.18.2.1-4.el7                       mariadb-devel.x86_64 1:5.5.52-1.el7                      
作为依赖被安装:
  git.x86_64 0:1.8.3.1-6.el7_2.1                          perl-Git.noarch 0:1.8.3.1-6.el7_2.1 


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