CentOS7 离线安装gcc/pcre-devel/openssl-devel/zlib-devel

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-5.18-5.el7.x86_64.rpm
cpp-4.8.2-16.el7.x86_64.rpm
gcc-4.8.2-16.el7.x86_64.rpm
glibc-devel-2.17-55.el7.x86_64.rpm
glibc-headers-2.17-55.el7.x86_64.rpm
kernel-headers-3.10.0-123.el7.x86_64.rpm
keyutils-libs-devel-1.5.8-3.el7.x86_64.rpm
krb5-devel-1.11.3-49.el7.x86_64.rpm
libcom_err-devel-1.42.9-4.el7.x86_64.rpm
libmpc-1.0.1-3.el7.x86_64.rpm
libselinux-devel-2.2.2-6.el7.x86_64.rpm
libsepol-devel-2.1.9-3.el7.x86_64.rpm
libverto-devel-0.2.5-4.el7.x86_64.rpm
mpfr-3.1.1-4.el7.x86_64.rpm
ntp-4.2.6p5-18.el7.centos.x86_64.rpm
ntpdate-4.2.6p5-18.el7.centos.x86_64.rpm
openssl098e-0.9.8e-29.el7.centos.x86_64.rpm
openssl-1.0.1e-34.el7.x86_64.rpm
openssl-devel-1.0.1e-34.el7.x86_64.rpm
openssl-libs-1.0.1e-34.el7.x86_64.rpm
pcre-devel-8.32-12.el7.x86_64.rpm
pkgconfig-0.27.1-4.el7.x86_64.rpm
tcl-8.5.13-4.el7.x86_64.rpm
zlib-1.2.7-13.el7.x86_64.rpm
zlib-devel-1.2.7-13.el7.x86_64.rpm

3. 执行如下命令，安装。

rpm -Uvh ./*.rpm --nodeps --force