http://blog.csdn.net/wylfengyujiancheng/article/details/50418930 rpm -aq|grep yum|xargs rpm -e --nodeps rpm -aq|grep python-iniparse|xargs rpm -e --nodeps # wget http://mirrors.163.com/centos/7.2.1511/os/x86_64/Packages/yum-3.4.3-132.el7.centos.0.1.noarch.rpm # wget http://mirrors.163.com/centos/7.2.1511/os/x86_64/Packages/python-iniparse-0.4-9.el7.noarch.rpm # wget http://mirrors.163.com/centos/7.2.1511/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm # wget http://mirrors.163.com/centos/7.2.1511/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm /etc/yum.repos.d/rhel-debuginfo.repo [base] name=CentOS-$releasever - Base baseurl=http://mirrors.163.com/centos/7.2.1511/os/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/7.2.1511/os/x86_64/RPM-GPG-KEY-CentOS-7 #released updates [updates] name=CentOS-$releasever - Updates baseurl=http://mirrors.163.com/centos/7.2.1511/updates/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/7.2.1511/os/x86_64/RPM-GPG-KEY-CentOS-7 [extras] name=CentOS-$releasever - Extras baseurl=http://mirrors.163.com/centos/7.2.1511/extras//$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/7.2.1511/os/x86_64/RPM-GPG-KEY-CentOS-7 [centosplus] name=CentOS-$releasever - Plus baseurl=http://mirrors.163.com/centos/7.2.1511/centosplus//$basearch/ gpgcheck=1 enabled=0 yum clean all yum update yum install epel-release