Setup Linode.com static networking.

setup_linode_static_networking.sh

#!/bin/bash

###############################################################
#  Static Networking Setup for Ubuntu 12.04 64bit Web Server  #
#  by Zach Browne - http://zachbrowne.com                     #
###############################################################

# Replace these variables with your own

HOSTNAME=apollo # Ex. server, dev or zeus
HOSTNAME_FQDN=zb11.zachbrowne.com # Ex. server.domain.com, dev.domain.com or zeus.domain.com
TIMEZONE=Central # Central, Eastern, Pacific or Mountain
LINODE_PUBLIC_IP=50.116.25.18
LINODE_SERVER_GATEWAY_IP=50.116.25.1
LINODE_PRIVATE_IP=192.168.175.26
LINODE_DNS_RESOLVER1=72.14.188.5
LINODE_DNS_RESOLVER2=72.14.179.5

# Set time & update server

ln -sf /usr/share/zoneinfo/US/$TIMEZONE /etc/localtime
aptitude update && aptitude -y safe-upgrade

# Setup hosts file

rm /etc/hosts
touch /etc/hosts

cat > /etc/hosts <<EOF
127.0.0.1 localhost.localdomain localhost
$LINODE_PUBLIC_IP $HOSTNAME_FQDN $HOSTNAME
EOF

# Setup static IP

rm /etc/network/interfaces
touch /etc/network/interfaces

cat > /etc/network/interfaces <<EOF
auto lo
iface lo inet loopback
auto eth0 eth0:1
iface eth0 inet static
address $LINODE_PUBLIC_IP
netmask 255.255.255.0
gateway $LINODE_SERVER_GATEWAY_IP
iface eth0:1 inet static
address $LINODE_PRIVATE_IP
netmask 255.255.128.0
EOF

# Remove DHCP

aptitude -y remove dhcpcd

# Add options rotate

rm /etc/resolv.conf
touch /etc/resolv.conf

cat > /etc/resolv.conf <<EOF
search members.linode.com
nameserver $LINODE_DNS_RESOLVER1
nameserver $LINODE_DNS_RESOLVER2
options rotate
EOF

# Install Bind9 to cache Linode's DNS servers.

aptitude -y install bind9

rm /etc/bind/named.conf.options
touch /etc/bind/named.conf.options

cat > /etc/bind/named.conf.options <<EOF
{
directory "/var/cache/bind";
auth-nxdomain no;
forwarders {69.93.127.10;65.19.178.10;75.127.96.10;207.192.70.10;109.74.194.10;};
listen-on-v6 {any;};
};
EOF

# Restart networking

/etc/init.d/networking restart