Linux Redhat 7 安装免费yum源
出处地址：http://www.cnblogs.com/nbartchen/p/8565816.html
1、查看是否安装相关包
rpm -qa|grep yum|xargs rpm -e --nodeps
2、下载rpm包到本地、并安装
curl -O http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-163.el7.centos.noarch.rpm curl -O http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm curl -O http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-52.el7.noarch.rpm
3、安装rpm包
rpm -ivh yum-*
4、备份redhat yum源，新建免费yum源目录
mv /etc/yum.repos.d/ /etc/yum.repos.d.backup
mkdir /etc/yum.repos.d
5、下载yum Centos7 yum源、移动到yum目录
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo mv CentOS7-Base-163.repo /etc/yum.repos.d
6、修改文件相关内容
# 进入文件 编辑 CentOS7-Base-163.repo :%s/$releasever/7/g
7、更新yum缓存测试使用
yum clean all
yum makecache
yum repolist all
注：如上述不生效需采取另一种方式
rpm -ivh yum-* 警告：yum-3.4.3-154.el7.centos.noarch.rpm: 头V3 RSA/SHA256 Signature, 密钥 ID f4a80eb5: NOKEY 错误：依赖检测失败： python-urlgrabber >= 3.10-8 被 yum-3.4.3-154.el7.centos.noarch 需要 rpm >= 0:4.11.3-22 被 yum-3.4.3-154.el7.centos.noarch 需要
1、python-urlgrabber和rpm包升级
curl -O http://mirrors.163.com/centos/7/os/x86_64/Packages/python-urlgrabber-3.10-9.el7.noarch.rpm curl -O http://mirrors.163.com/centos/7/os/x86_64/Packages/rpm-4.11.3-40.el7.x86_64.rpm
rpm -Uvh rpm-4.11.3-40.el7.x86_64.rpm --nodeps
rpm -Uvh python-urlgrabber-3.10-9.el7.noarch.rpm --nodeps
2、添加vim源
vim /etc/yum.repos.d/CentOS-Base.repo
#CentOS-Base.repo # # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-$7 - Base - 163.com #mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=os baseurl=http://mirrors.163.com/centos/7/os/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 #released updates [updates] name=CentOS-$7 - Updates - 163.com #mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=updates baseurl=http://mirrors.163.com/centos/7/updates/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 #additional packages that may be useful [extras] name=CentOS-$7 - Extras - 163.com #mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=extras baseurl=http://mirrors.163.com/centos/7/extras/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$7 - Plus - 163.com baseurl=http://mirrors.163.com/centos/7/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
3、更新yum缓存测试使用
yum clean all
yum makecache
yum repolist all