CentOS 安装软件时（比如：# yum install subversion），有时候会碰到类似如下的错误：
Transaction check error:
file /usr/lib64/libsvn_client-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_delta-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_diff-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_fs-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_fs_base-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_fs_fs-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_fs_util-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_ra-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_ra_local-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_ra_svn-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_repos-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_subr-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
file /usr/lib64/libsvn_wc-1.so.0.0.0 from install of subversion-1.8.11-1.x86_64 conflicts with file from package subversion-libs-1.7.14-7.el7_0.x86_64
错误概要
-------------
解决的方法是把不需要的一个版本删掉：
# rpm -e subversion-libs-1.7.14-7.el7_0.x86_64