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  How to install ddclient (DynDNS Updater) on Raspberry Pi
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# by WA8KIM / kim@kim125.com / EchoLink: WA8KIM-R / WiRES-X: Rm#21149 / Last updated 08/24/2015.
# http://www.wa8kim.com/rpi.html
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Download the latest version of this file at:
http://www.wa8kim.com/files/(RPi)%20Install%20-%20ddclient.txt

1. Download the SSL libraries and the ddclient software
sudo apt-get update
sudo apt-get install libio-socket-ssl-perl
sudo apt-get install ddclient
	# The program will run a setup config routine. Simply enter your dyndns login information.

2. (Optional) Update the config file
sudo nano /etc/ddclient.conf
	# See example config files below

3. Set your RPi to auto start ddclient. The file rc.local is RPi's version of autoexec.bat
	# Add the following before the 'exit 0' line:
	# (Optional) Change the '=600' to =(seconds). Example: =600 would update every 10 minutes.
sudo nano /etc/rc.local
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echo Starting ddclient . . .
sudo ddclient -daemon=600

exit 0
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  EXAMPLE #1: Small Config File
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# Configuration file for ddclient generated by debconf
#
# /etc/ddclient.conf
 
#update every x seconds
daemon=600
# write log to /var/log/syslog
syslog=yes
# use SSL encryption for update requests
ssl=yes
 
protocol=dyndns2
use=web, web=checkip.dyndns.com, web-skip='IP Address'
server=members.dyndns.org
login=<username>;
password='<password>' # password in quotes
<host1.dyndns.org>
<host2.dyndns.org>
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  EXAMPLE #2: Full Config File
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daemon=600
# check every 600 seconds
syslog=yes
# log update msgs to syslog
mail=root
# mail all msgs to root
mail-failure=root
# mail failed update msgs to root
pid=/var/run/ddclient.pid
# record PID in file.
cache=/tmp/ddclient.cache
# Cache file
### Select one of these options to determine your IP address
## via hardware interface (if you don't have a router/firewall)
#use=if, if=eth0
## via our CheckIP server
#use=web, web=checkip.dyndns.com/, web-skip='IP Address'
## from the status page for a linksys router/firewall
#use=linksys, fw=linksys, fw-login=admin, fw-password=admin
## from a FW status page
#fw-login=admin, fw-password=XXXXXX
#use=fw, fw=192.168.1.254/status.htm, fw-skip='IP Address'
## Enter your Dyn username and password here
#login=your-login
# your Dyn username
#password=your-password
# your Dyn password
## This section requires no changes unless you need to set a default proxy server
## or you need to bypass your proxy server (because it interferes with the updates)
protocol=dyndns2
# default protocol
server=members.dyndns.org
# default server
#server=members.dyndns.org:8245
# default server (bypassing proxies)
#proxy=fasthttp.sympatico.ca:80
# default proxy
## Default options for Dynamic/Static DNS Hosts
#mx=
# default MX host (leave undefined by default)
#backupmx=NO
# MX host is primary MX? (leave undefined by default)
wildcard=YES
# add wildcard CNAME?
## Dynamic DNS hosts go here
#your-dynamic-host.dyndns.org,another-dynamic-host.dyndns.org
## Static DNS hosts go here
#static=yes, your-static-host.dyndns.org,another-static-host.dyndns.org
## Dyn Standard DNS hosts go here
#custom=yes, your-domain.top-level,your-other-domain.top-level
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Links:
https://hexaju.wordpress.com/2013/03/20/raspberry-pi-as-dyndns-client-with-ssl/
http://dyn.com/apps/updater-linux/ddclient/
http://sourceforge.net/projects/ddclient/

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  REVISION HISTORY
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2015-08-24 Updated Download Link
2015-03-05 File Created