Question

I did not name my droplet s the same as my domain name

Posted April 19, 2014 1.5k views
I made a mistake and did not name my droplet s the same as my domain name. I then brought up my web server and set up DNS to my domain name. All's well with webserver. I now want to install a mail server and it says to name my droplet the same as my domain name, which will become its hostname and reverse DNS record. https://www.digitalocean.com/community/articles/how-to-install-iredmail-on-ubuntu-12-04-x64 Can I fix this some how without starting a new droplet and reassigning the new IP to my domain name.
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stevehendo34
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2 answers
ra4king April 19, 2014
You can change the domain name of your droplet in the Settings->Rename tab.
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kamaln7 April 19, 2014
Definitely. Edit /etc/hostname and replace the contents with your new hostname. Also edit /etc/hosts and add the following line: 
127.0.0.1    newhostname.com newhostname


Finally, run 
sudo hostname -F /etc/hostname
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