vim ~/.vimrc
set nu
set cindent
set tabstop=4
set shiftwidth=4
syntax on
安装gcc，g++编译器
[root@oracledb ~]# yum -y install gcc gcc-c++ make binutilscompat-libstdc++-33 elfutils-libelf elfutils-libelf-devel glibc glibc-commonglibc-devel libaio libaio-devel libgcclibstdc++ libstdc++-devel unixODBC unixODBC-devel
关闭SELinux
使用文本编辑工具打开 /etc/selinux/config
把 SELINUX=enforcing 注释掉：#SELINUX=enforcing ，然后新加一行为：SELINUX=disabled
- 关闭防火墙
[root@oracledb ~]# service iptables stop
[root@oracledb ~]# chkconfig iptables off