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Host a Domain on Your SUSE Linux Enterprise Server Box

Novell Cool Solutions: Trench
By Geoffrey Pointon

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Posted: 14 Nov 2005

Obtain a DDNS Service

Open an account with a Dynamic DNS provider such as DynDNS. Their dynamic DNS service is free, reliable and very easy to establish.

Make a note of your username and password. In this example we'll use 'johndoe' as the username and 'passing' as the password.

All you need to provide is your 'Hostname' and choose one of their domains.

If you tick the 'Enable Wildcard' option, DNS will believe your server can do anything i.e. Web, Mail, ftp etc.

You can tick the 'Mail Exchanger (optional)' and use one of their chargeable services for mail relay and forwarding.

Install a Dynamic DNS Client

ddclient ships with SUSE, so from YaST-Software-Install and Remove Software, enter ddclient in the search field and follow the instructions to install it.

Configure /etc/ddclient.conf

I've stripped the file down to the bare minimum:

daemon=300                   # Number of seconds before IP address is checked again
syslog=yes                   # Log update messages to syslog
mail-failure=root             # Mail only failed updates to root
pid=/var/run/       # Records the Process ID of ddclient

# Checks with DynDNS what your externally facing IP address is
#that's the one on your router plugged into your cable modem.
use=web,, web-skip='IP Address' 

protocol=dyndns2             # The protocol DynDNS use for Dynamic DNS

# The DynDNS server that manages your IP address and DNS resolution

login=johndoe             # Your DynDNS login name
password=passing             # Your DynDNS password
wildcard=yes                   # Use wildcard DNS CNAME

Verify That it is Working

There are a number of simple command lines you can use to get it up and running:

/etc/init.d/ddclient stop 
/etc/init.d/ddclient start 
/etc/init.d/ddclient restart

If you use the DynDNS check IP service ( from a web browser, you should see the IP address of your router which is attached to the internet.

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