ubuntu 12.04 unbound : monitor DNS statistics with munin

Here is how to monitor unbound DNS stats via munin within one box.

install apache2, munin and munin-node within one box.

# tail -1 /etc/lsb-release ;uname -ri DISTRIB_DESCRIPTION="Ubuntu 12.04.3 LTS" 3.5.0-41-generic x86_64 # apt-get install unbound munin munin-node apache2

[ Apache ]

configure Apache to view munin stats via an web browser

# cp /etc/munin/apache.conf /etc/apache2/sites-available/munin

edit /etc/apache2/sites-available/munin like this:

# egrep -v \# /etc/apache2/sites-available/munin Alias /munin /var/cache/munin/www <Directory /var/cache/munin/www>        Order allow,deny        Allow from all        Options None    <IfModule mod_expires.c>        ExpiresActive On        ExpiresDefault M310    </IfModule> </Directory>

# a2ensite munin

[ munin and unbound ]

download unbound source code to get munin plugin

download source code and copy munin ubnound plugin

# apt-get source unbound # cp unbound-1.4.18/contrib/unbound_munin_ /usr/share/munin/plugins/ # chown root.root /usr/share/munin/plugins/unbound_munin_ # chmod 755 /usr/share/munin/plugins/unbound_munin_

# ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_by_class # ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_by_flags # ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_by_opcode # ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_by_rcode # ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_by_type # ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_histogram # ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_hits # ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_memory # ln -s /usr/share/munin/plugins/unbound_munin_ /etc/munin/plugins/unbound_munin_queue

edit unbound.conf

# egrep -v ^# unbound.conf | grep -v ^$ | grep -v \# server:        verbosity: 1         statistics-interval: 0         statistics-cumulative: no         extended-statistics: yes         interface: 0.0.0.0         do-ip6: no         access-control: 0.0.0.0/0 allow python: remote-control:         control-enable: yes

restart unbound, munin-node and apache

# service unbound restart # service munin-node restart # service apache2 restart

access to http:// IP address/munin