1. 解压CentOS7操作系统安装镜像，进入到CentOS-7.0-1406-x86_64-DVD\Packages目录，这下面存储了很多rpm包。
2. 找到下面列出的rpm包，上传到CentOS机器任意位置。
autogen-libopts-5.18-.el7.x86_64.rpm
cpp-4.8.-.el7.x86_64.rpm
gcc-4.8.-.el7.x86_64.rpm
glibc-devel-2.17-.el7.x86_64.rpm
glibc-headers-2.17-.el7.x86_64.rpm
kernel-headers-3.10.-.el7.x86_64.rpm
keyutils-libs-devel-1.5.-.el7.x86_64.rpm
krb5-devel-1.11.-.el7.x86_64.rpm
libcom_err-devel-1.42.-.el7.x86_64.rpm
libmpc-1.0.-.el7.x86_64.rpm
libselinux-devel-2.2.-.el7.x86_64.rpm
libsepol-devel-2.1.-.el7.x86_64.rpm
libverto-devel-0.2.-.el7.x86_64.rpm
mpfr-3.1.-.el7.x86_64.rpm
ntp-4.2.6p5-.el7.centos.x86_64.rpm
ntpdate-4.2.6p5-.el7.centos.x86_64.rpm
openssl098e-0.9.8e-.el7.centos.x86_64.rpm
openssl-1.0.1e-.el7.x86_64.rpm
openssl-devel-1.0.1e-.el7.x86_64.rpm
openssl-libs-1.0.1e-.el7.x86_64.rpm
pcre-devel-8.32-.el7.x86_64.rpm
pkgconfig-0.27.-.el7.x86_64.rpm
tcl-8.5.-.el7.x86_64.rpm
zlib-1.2.-.el7.x86_64.rpm
zlib-devel-1.2.-.el7.x86_64.rpm
3. 执行如下命令，安装。
rpm -Uvh ./*.rpm --nodeps --force