Throw some configs around for OpenWRT routers.

setup_collectd.sh

#!/bin/ash

opkg update

opkg install collectd

. /etc/init.d/collectd enable
. /etc/init.d/collectd start

opkg install luci-app-statistics collectd-mod-rrdtool collectd-mod-processes collectd-mod-interface collectd-mod-iptables collectd-mod-netlink collectd-mod-cpu collectd-mod-curl collectd-mod-df collectd-mod-disk collectd-mod-dns collectd-mod-interface collectd-mod-iptables collectd-mod-load collectd-mod-irq  collectd-mod-memory collectd-mod-network collectd-mod-ntpd collectd-mod-openvpn collectd-mod-ping collectd-mod-processes collectd-mod-thermal collectd-mod-uptime collectd-mod-users collectd-mod-wireless collectd-mod-vmem libnetsnmp liboping libcurl

mv /etc/config/luci_statistics /etc/config/luci_statistics.old

cat << EOF > /etc/config/luci_statistics
config statistics 'collectd'
        option BaseDir '/var/run/collectd'
        option Include '/etc/collectd/conf.d'
        option PIDFile '/var/run/collectd.pid'
        option PluginDir '/usr/lib/collectd'
        option TypesDB '/usr/share/collectd/types.db'
        option Interval '30'
        option ReadThreads '2'

config statistics 'rrdtool'
        option default_timespan '1hour'
        option image_width '600'
        option image_path '/tmp/rrdimg'

config statistics 'collectd_rrdtool'
        option enable '1'
        option DataDir '/tmp/rrd'
        option RRARows '100'
        option RRASingle '1'
        option RRATimespans '1hour 1day 1week 1month 1year'

config statistics 'collectd_csv'
        option enable '0'
        option StoreRates '0'
        option DataDir '/tmp'

config statistics 'collectd_email'
        option enable '0'
        option SocketFile '/var/run/collectd/email.sock'
        option SocketGroup 'nogroup'

config statistics 'collectd_logfile'
        option enable '0'
        option LogLevel 'notice'
        option File '/var/log/collectd.log'
        option Timestamp '1'

config statistics 'collectd_network'
        option enable '1'
        option Forward '0'

config statistics 'collectd_unixsock'
        option enable '0'
        option SocketFile '/var/run/collectd/query.sock'
        option SocketGroup 'nogroup'

config statistics 'collectd_apcups'
        option enable '0'
        option Host 'localhost'
        option Port '3551'

config statistics 'collectd_conntrack'
        option enable '0'

config statistics 'collectd_contextswitch'
        option enable '0'

config statistics 'collectd_cpu'
        option enable '1'

config statistics 'collectd_cpufreq'
        option enable '0'

config statistics 'collectd_df'
        option Devices '/dev/mtdblock/4'
        option MountPoints '/jffs'
        option FSTypes 'tmpfs'
        option enable '1'
        option IgnoreSelected '1'

config statistics 'collectd_disk'
        option Disks 'hda1 hdb'
        option enable '1'
        option IgnoreSelected '1'

config statistics 'collectd_dns'
        option IgnoreSources '127.0.0.1'
        option enable '1'
        option Interfaces 'any'

config statistics 'collectd_entropy'
        option enable '0'

config statistics 'collectd_exec'
        option enable '0'

config statistics 'collectd_interface'
        option enable '1'
        option IgnoreSelected '1'

config statistics 'collectd_iptables'
        option enable '1'

config collectd_iptables_match
        option table 'nat'
        option target 'MASQUERADE'
        option source '192.168.1.0/24'
        option outputif 'br-ff'
        option name 'LAN-Clients traffic'

config collectd_iptables_match
        option table 'nat'
        option target 'MASQUERADE'
        option source '10.61.230.0/24'
        option outputif 'br-ff'
        option name 'WLAN-Clients traffic'

config statistics 'collectd_irq'
        option enable '0'
        option Irqs '2 3 4 7'

config statistics 'collectd_iwinfo'
        option enable '1'
        option IgnoreSelected '1'

config statistics 'collectd_load'
        option enable '1'

config statistics 'collectd_memory'
        option enable '1'

config statistics 'collectd_netlink'
        option enable '0'
        option IgnoreSelected '0'
        option VerboseInterfaces 'br-lan'
        option QDiscs 'br-lan'

config statistics 'collectd_nut'
        option enable '0'
        option UPS 'myupsname'

config statistics 'collectd_olsrd'
        option enable '0'
        option Port '2006'
        option Host '127.0.0.1'

config statistics 'collectd_ping'
        option TTL '127'
        option Interval '30'
        option enable '1'
        option Hosts 'google.com 8.8.8.8 8.8.4.4'

config statistics 'collectd_processes'
        option Processes 'uhttpd dnsmasq dropbear'
        option enable '1'

config statistics 'collectd_sensors'
        option enable '1'

config statistics 'collectd_splash_leases'
        option enable '0'

config statistics 'collectd_tcpconns'
        option LocalPorts '22 80'
        option enable '1'
        option ListeningPorts '1'

config statistics 'collectd_thermal'
        option enable '1'
        option IgnoreSelected '1'

config statistics 'collectd_uptime'
        option enable '1'

config collectd_network_server
        option port '25826'
        option host 'monitoring.porta.codes'
        option enable '1'
EOF