May 2013 – Tikejhya: Ashish Nepal

DNS Configuration

On 31st May 2013

This is minimal setup config of DNS configuration on Centos.

# Install named
yum install bind bind-utils bind-chroot

# Location: Default location is /var/named/ which will be chrooted into /var/named/choort/var/named.

Config Location: /var/named/xxx.zonefile.xxx
/etc/named.conf

Sample named.conf

options {
        listen-on port 53 { 127.0.0.1; };
        directory       "/var/named";
        dump-file       "/var/named/data/cache_dump.db";
        statistics-file "/var/named/data/named_stats.txt";
        memstatistics-file "/var/named/data/named_mem_stats.txt";
        allow-query     { localhost; };
        allow-recursion { localhost; 212.222.123.0/24; };
        recursion yes;

        dnssec-enable yes;
        dnssec-validation yes;
        dnssec-lookaside auto;

        /* Path to ISC DLV key */
        bindkeys-file "/etc/named.iscdlv.key";

        managed-keys-directory "/var/named/dynamic";
};

logging {
        channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};

view "internal"
{
        match-clients {
        212.222.123.0/24;
    };

        # Define Zone File here
        # This will be accesible by those who falls under.match-clients 
        zone "ashishnepal.com" IN
        {
                type master;
                file "ashishnepal.com.zone";
                allow-update { none; }
        }

        zone "." IN {
                type hint;
                file "named.ca";
        };

};

view "external"
{
        match-clients { any; };

        zone "." IN {
                type hint;
                file "named.ca";
        };

};

include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";
// this is from etc

Sample Zone file.

$TTL    86400 ; 24 hours could have been written as 24h or 1d
$ORIGIN ashishnepal.com.
@  1D  IN        SOA localhost. root.localhost.com. (
                              2002022401 ; serial
                              3H ; refresh
                              15 ; retry
                              1w ; expire
                              3h ; minimum
                             )
       IN  NS   @ ; in the domain

; server host definitions
www    IN  A      192.168.0.2

+15

0

Script: Asterisk, FreePBX and Centos

By admin

On 31st May 2013

In Asterisk

This script might need some tweaking as per your environment. This script help’s you install Asterisk and freepbx on centos/redhat boxes with necessary dependency.

Bottom of the page will be updated which shall give you potential problem and solution.
#!/bin/bash


# Get ready

function getReady() {

yum -y update

yum groupinstall core

yum groupinstall base
yum install gcc gcc-c++ bison mysql-devel mysql-server php php-mysql php-pear php-mbstring tftp-server httpd make ncurses-devel libtermcap-devel sendmail sendmail-cf caching-nameserver sox newt-devel libxml2-devel libtiff-devel audiofile-devel gtk2-devel subversion kernel-devel git subversion kernel-devel
pear install db

}
# Download Files

# You may want to check and replace download source with latest version.

function downloadRequired() {

cd /usr/local/src/

wget http://downloads.asterisk.org/pub/telephony/dahdi-linux-complete/dahdi-linux-complete-current.tar.gz

wget http://downloads.asterisk.org/pub/telephony/libpri/libpri-1.4-current.tar.gz

wget http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-11-current.tar.gz

wget https://iksemel.googlecode.com/files/iksemel-1.4.tar.gz
}
# Install iksemel

function compileIksemel() {

cd /usr/local/src/

tar xf iksemel-1.4.tar.gz

cd /usr/local/src/iksemel-1.4/

./configure && make && make install
}
# Install LIBPRI

function compileLibpri() {
cd /usr/local/src/

tar xf libpri-1.4-current.tar.gz

cd /usr/local/src/libpri-1.4.14/

./configure && contrib/scripts/get_mp3_source.sh

make menuselect && make && make install && make config

}



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# Compile and install Asterisk

function compileAsterisk() {

cd /usr/local/src/

tar xvfz asterisk-11-current.tar.gz

cd /usr/local/src/asterisk-11.1.0

./configure

contrib/scripts/get_mp3_source.sh

make menuselect
#### You Will have to select mysql_cdr options on the very first make menuselect screen, Select all 5 option to enable asteriskcdr function.
make

make install

make config

}
# Extra Sounds

function extraSounds() {
cd /var/lib/asterisk/sounds

wget http://downloads.asterisk.org/pub/telephony/sounds/asterisk-extra-sounds-en-gsm-current.tar.gz

tar xfz asterisk-extra-sounds-en-gsm-current.tar.gz

rm -f asterisk-extra-sounds-en-gsm-current.tar.gz
}
# Download and extract FreePBX

function extractFreepbx() {

export VER_FREEPBX=2.11

cd /usr/local/src/

svn co http://www.freepbx.org/v2/svn/freepbx/branches/${VER_FREEPBX} freepbx

cd freepbx

}
function getApacheReady() {

adduser asterisk -M -c "Asterisk User"

chown asterisk. /var/run/asterisk

chown -R asterisk. /etc/asterisk

chown -R asterisk. /var/{lib,log,spool}/asterisk

chown -R asterisk. /usr/lib/asterisk

mkdir /var/www/html

chown -R asterisk. /var/www/
sed -i 's/(^upload_max_filesize = ).*/120M/' /etc/php.ini

sed -i 's/^(User|Group).*/1 asterisk/' /etc/httpd/conf/httpd.conf
service httpd restart

}