I have the online linux centos server.
IN my home i ahve the dynamic ip address.
Is there any way that i can setup something in bash or python so that everytime
home.myserver.com, that points to my homeserver ip address
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Depending on your domain registrar this could be easily done.
They could offer the possibility to run a client on your homeserver that updates DNS A entry each hour. I know that OVH offers this feature.
I think you could also use DynamicDNS services (dyn.com, no-ip.com).
Otherwise, you'd need to use bash script with your DNS service, that you'd update…