Set up a subdomain on one droplet

Question

Hi everyone !

I want to create a subdomain on my droplet.

I Set my Records like this A: @ / 104.155.xx.xx A: subdomain / 104.155.xx.xx (same Ip)

Then I create a vhost on Apache for my subdomain : subdomain.conf

<VirtualHost *:80>
	# The ServerName directive sets the request scheme, hostname and port that
	# the server uses to identify itself. This is used when creating
	# redirection URLs. In the context of virtual hosts, the ServerName
	# specifies what hostname must appear in the request's Host: header to
	# match this virtual host. For the default virtual host (this file) this
	# value is not decisive as it is used as a last resort host regardless.
	# However, you must set it for any further virtual host explicitly.
	#ServerName www.example.com

	ServerAdmin corentin.branquet@gmail.com
	ServerName subdomain.domain.com
	ServerAlias www.subdomain.domain.com
	DocumentRoot /var/www/subdomain/

	# Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
	# error, crit, alert, emerg.
	# It is also possible to configure the loglevel for particular
	# modules, e.g.
	#LogLevel info ssl:warn

	ErrorLog ${APACHE_LOG_DIR}/error.log
	CustomLog ${APACHE_LOG_DIR}/access.log combined

	# For most configuration files from conf-available/, which are
	# enabled or disabled at a global level, it is possible to
	# include a line for only one particular virtual host. For example the
	# following line enables the CGI configuration for this host only
	# after it has been globally disabled with "a2disconf".
	#Include conf-available/serve-cgi-bin.conf
</VirtualHost>

# vim: syntax=apache ts=4 sw=4 sts=4 sr noet

I enabled this subdomain, restart Apache, but when try subdomain.domain.com in my brower, it does not work.

Jonathan Tittle · Answer

@corentinbranque - You may want to take a look at /etc/hosts and add an entry for your sub-domain. In some cases, this may be required.

You should see something like this (this was pulled from a fresh Droplet just now):

127.0.1.1 hostname.yourdomain.ext
127.0.0.1 localhost

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

You would simply add subdomain.yourdomain.ext (where ext = your domain extension - .com, .net etc) and perhaps www.subdomain.yourdomain.etc to the existing line for 127.0.1.1 resulting in:

127.0.1.1 hostname.yourdomain.etc subdomain.yourdomain.etc www.subdomain.yourdomain.ext

At that point, save and exit - flush your browser cache / local cache (on your PC/Mac) and if you happen to use an ISP that heavily caches requests, you may need to reset your modem (I’ve had to do this more than I care to with my ISP) to refresh the signal (this seems to be the only way to get Charter Communications to signal a flush where I am - Comcast is similar, though I can’t speak for others).

MDS · Answer

Try doing a propagation checker on your domain to see if the DNS changes has been propagated: https://syscoding.com/network/propagation/ Also try clearing your DNS cache.

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Set up a subdomain on one droplet

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