CentOS-7 初始化脚本

#!/bin/bash
#change yum source 
#disable selinux
#name=start.sh

echo "========start============="
cd /etc/yum.repos.d/
sed -i s/SELINUX=enforcing/SELINUX=disabled/ /etc/selinux/config
iptables -F
systemctl disable firewalld
systemctl stop firewalld

echo "====chenage colors======"
echo  "PS1='\[\e[1;32m\][\u@\h \W ]\$\[\e[0m\]'" >> /root/.bashrc

cat >> /root/.vimrc <<-EOF
set ts=4
set expandtab
set ignorecase
set shiftwidth=4
autocmd BufNewFile *.sh exec ":call SetTitle()"
func SetTitle()
	if expand("%:e") == 'sh'
	call setline(1,"#!/bin/bash") 
	call setline(2,"#") 
	call setline(3,"#********************************************************************") 
	call setline(4,"#Author:            zzb") 
	call setline(5,"#QQ:                32586474") 
	call setline(6,"#Date:              ".strftime("%Y-%m-%d"))
	call setline(7,"#FileName:          ".expand("%"))
	call setline(8,"#URL:               http://www.zzbbuaa.com")
	call setline(9,"#Description:       The test script") 
	call setline(10,"#Copyright (C):     ".strftime("%Y")." All rights reserved")
	call setline(11,"#********************************************************************") 
	call setline(12,"") 
	endif
endfunc
autocmd BufNewFile * normal G

EOF
echo "====dowload nju-repo===="
sudo sed -e 's|^mirrorlist=|#mirrorlist=|g' \
         -e 's|^#baseurl=http://mirror.centos.org/centos|baseurl=https://mirror.nju.edu.cn/centos|g' \
         -i.bak \
         /etc/yum.repos.d/CentOS-*.repo

echo "====dowload tools========="
yum install -y net-tools vim wget lrzsz bash-com*


echo "====upgrade yum============"
yum clean all
yum makecache
cd ~

echo "=========finish--reboot======="
reboot