CentOS初始化脚本（未完）

#!/bin/bash
release=`grep -o "\<[[:digit:]]\>" /etc/centos-release | head -`# 、shutdown selinux
[ -e "/etc/selinux/config" ] && sed -i 's@^SELINUX=.*@SELINUX=disabled@' /etc/selinux/config
setenforce &> /dev/null# 2、shudown firewall
[ $release = "" ] && service iptables stop && chkconfig iptables off
[ $release = "" ] && systemctl stop firewalld && systemctl disable firewalld# 3、set own alias
echo "alias cdnet='cd /etc/sysconfig/network-scripts/'" >> /etc/profile.d/myalias.sh
source /etc/profile.d/myalias.sh# 4、set evironment "PS1 color"
# 30:black, 31:red, 32:green, 33:yellow, 34:blue, 35:pink, 36:cyan, 37:white
ps1_color=
echo 'PS1="\[\e[1;'''${ps1_color}'''m\][\u@\h \w]\$\[\e[0m\]"' >> /etc/profile.d/evironment.sh
source /etc/profile.d/myalias.sh# 5、set aliyun repo
rpm -q wget &> /dev/null || yum -y install wget
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
[ $release = "" ] && wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
[ $release = "" ] && wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo yum makecache &> /dev/null