CertificaçãoBD - Projeto RAC em casa - parte 1 - DNS server

# /etc/hosts

127.0.0.1       localhost.localdomain   localhost
# Public
192.168.56.101   certbd1.localdomain        certbd1
192.168.56.102   certbd2.localdomain        certbd2
# Private
192.168.1.101   certbd1-priv.localdomain   certbd1-priv
192.168.1.102   certbd2-priv.localdomain   certbd2-priv
# Virtual
192.168.56.103   certbd1-vip.localdomain    certbd1-vip
192.168.56.104   certbd2-vip.localdomain    certbd2-vip
# SCAN
192.168.56.105   certbd-scan.localdomain certbd-scan
192.168.56.106   certbd-scan.localdomain certbd-scan
192.168.56.107   certbd-scan.localdomain certbd-scan

# Packages install
yum install expect xhost zip unzip xclock oracle-rdbms-server-1* xterm xorg-x11-twm tigervnc-server kernel-uek-devel kernel-uek-headers oracleasm-support screen metacity rsync -y;

# Set secure Linux to disabled by editing the "/etc/selinux/config" file, making sure the SELINUX flag is set as follows.
SELINUX=disabled

# Once the change is complete, restart the server or run the following command.
setenforce Permissive

# If you have the Linux firewall enabled, you will need to disable or configure it, as shown here or here. To disable it, do the following.
service iptables stop
chkconfig iptables off

# dnsmasq installation
yum install dnsmasq -y
service dnsmasq start
chkconfig dnsmasq on

# Optional!!! Update system:
yum update -y