inadyn is a C based client used to update DNS entries. Inadyn is an IP update client for DynDNS.com, no-ip.com , etc.
Why we need this? Well you don’t really need this if you are using static IP.
But if you have dynamic IP, you must keep your IP updated with the domain you choose in DynDNS.com or no-ip.com every time you restart the router. Otherwise, the visitors can’t reach to your server.
Installation:
apt-get update && apt-get install inadyn
or you can download inadyn:
cd /usr/src
wget http://cdn.dyndns.com/inadyn.zip
unzip inadyn.zip
cp inadyn/bin/linux/inadyn /usr/bin/inadyn
Change the file permission:
chmod 755 /usr/bin/inadyn

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