one click script to set up vnc server at ubuntu debian and centos

some people asked this question to me. I write it and share with your guys here.

!/bin/bash

printf "#!/bin/bash

function Ubuntu()
{
apt-get update -y
apt-get upgrade -y
apt-get install nano -y
apt-get install gnome-core firefox flashplugin-installer -y
apt-get install vnc4server -y
vncserver
vncserver -kill :1
cd ~
wget https://ginernet.com/downloads/vnc-ubuntu-12.txt -O .vnc/xstartup
mkdir -p /etc/vncserver
echo 'VNCSERVERS=\"1:root\"' >> /etc/vncserver/vncservers.conf
echo 'VNCSERVERARGS[1]=\"-geometry 1000x700\"' >> /etc/vncserver/vncservers.conf
cd /etc/init.d/; wget https://ginernet.com/downloads/vnc-init-ubuntu-12.txt -O vncserver
chmod 755 vncserver
update-rc.d vncserver defaults 99
reboot
}

function Debian()
{
apt-get update -y
apt-get upgrade -y
apt-get install nano -y
apt-get install gnome-core flashplugin-nonfree -y
apt-get install vnc4server -y
vncserver
vncserver -kill :1
cd ~; wget https://ginernet.com/downloads/vnc-debian-7.txt -O .vnc/xstartup
mkdir -p /etc/vncserver
echo 'VNCSERVERS=\"1:root\"' >> /etc/vncserver/vncservers.conf
echo 'VNCSERVERARGS[1]=\"-geometry 1000x700\"' >> /etc/vncserver/vncservers.conf
cd /etc/init.d/
wget https://ginernet.com/downloads/vnc-init-ubuntu-12.txt -O vncserver
chmod 755 vncserver
update-rc.d vncserver defaults 99
reboot
}

function CentOS()
{
yum install nano -y
yum update -y
yum upgrade -y
yum install tigervnc-server -y
yum groupinstall \"Desktop\" -y
yum install firefox -y
rpm -ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-x86_64-1.0-1.noarch.rpm
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux
yum install flash-plugin nspluginwrapper alsa-plugins-pulseaudio libcurl -y
echo 'echo \"nameserver 8.8.8.8\" >> /etc/resolv.conf; ' >> /etc/rc.local
echo 'VNCSERVERS=\"1:root\"' >> /etc/sysconfig/vncservers
echo 'VNCSERVERARGS[1]=\"-geometry 1000x700\"' >> /etc/sysconfig/vncservers
vncpasswd
chkconfig vncserver on --level 345
reboot
}
\"\n\"
" >> zz.sh