安装rpm包时出现如下提示信息,conflicts with意为“与...冲突”

[root@Redhat abc]# rpm -ivh yum-3.2.29-73.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-37.el6.noarch.rpm python-urlgrabber-3.9.1-11.el6.noarch.rpm 
Preparing...                ########################################### [100%]
file /usr/lib/python2.6/site-packages/urlgrabber/grabber.py from install of python-urlgrabber-3.9.1-11.el6.noarch conflicts with file from package python-urlgrabber-3.9.1-8.el6.noarch
file /usr/lib/python2.6/site-packages/urlgrabber/grabber.pyc from install of python-urlgrabber-3.9.1-11.el6.noarch conflicts with file from package python-urlgrabber-3.9.1-8.el6.noarch

解决办法:为rpm添加参数“--replacefiles”

[root@Redhat abc]
# rpm -ivh yum-3.2.29-73.el6.centos.noarch.rpm yum-plugin-fastestmirror-1.1.30-37.el6.noarch.rpm python-urlgrabber-3.9.1-11.el6.noarch.rpm 
--replacefiles
Preparing...          
########################################### [100%]
1:python-urlgrabber ########################################### [ 33%]
2:yum-plugin-fastestmirro ########################################### [ 67%]
3:yum ########################################### [100%]