更新系统内核到最新.
yum -y update

yum -y patch

1.安装wget

yum install wget
2.安装setup

yum install setuptool

3.安装ntsysv
yum -y install ntsysv
3.安装cron

yum install gcc gcc-c++ autoconf vixie-cron # vixie-cron软件包是cron的主程序
yum install gcc gcc-c++ autoconf crontabs #crontabs软件包是用来安装、卸装、或列举用来驱动 cron 守护进程的表格的程序

4安装system-config-network

yum -y install system-config-network

一些安装、升级所需的程序库
yum -y install patch gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel openssl openssl-devel openldap openldap-devel nss_ldap openldap-clients openldap-servers compat-libstdc++-33 patch