1， yum 安装文件，并下载RPM 包
yum reinstall openstack-nova-* --downloadonly --downloaddir=/opt/
yum reinstall xxxxx --downloadonly --downloaddir=.
2, 同步 RPM 包到本地
wget -m -c -np --reject=html,gif,A,D -nH --cut-dirs=4 -P ar/wwwml/openstack-havana/ http://repos.fedorapeople.org/repos/openstack/openstack-havana/epel-6/
3, yum -y update 错误解决办法
warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 0608b895: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
GPG key retrieval failed: [Errno 14] Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
解决办法：
rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
[root@master ~]# rpm -e --nodeps mysql-server
在 mysqld 服务中读取信息时出错：没有那个文件或目录
error: %preun(mysql-server-5.1.73-3.el6_5.x86_64) scriptlet failed, exit status 1
解决办法：
[root@master /]# rpm -e --noscripts mysql-server
[root@master /]# rpm -qa|grep mysql
如何实现，yum group 安装Linux开发工具
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1
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yum groupinstall
"Development Tools"
"Development Libraries"
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本文转自 swq499809608 51CTO博客，原文链接:http://blog.51cto.com/swq499809608/1410994
