Configure HTTP(web) on virtual host Redhat 7

Prerequisites:

Installation instructions
yum groupinstall -y "Web Server" 

Edit the /etc/hosts file and the ip address and fully qualified domain name of the server :

192.168.1.9 serverx.example.com

Activate at boot time and start the service:

# systemctl enable httpd

# systemctl start httpd

disable Selinux:

sed -i ‘s/Enforcing/Disabled/g’ /etc/selinux/config

If you send a request to your new webserver, you will get the welcome page whatever you put into the /var/www/html directory. This is due to the IncludeOptional conf.d/*.conf statement at the end of the /etc/httpd/conf/httpd.conf file that instructs Apache to load the files finishing by *.conf located in the /etc/httpd/conf.d directory.

If you really want to display the content of the /var/www/html directory, you need to go to the /etc/httpd/conf.d directory and remove all the files there (you can also rename them but with an extension different from .conf).

Then, still in the /etc/httpd/conf.d directory, you can create a file (here mywebserver.conf) like below (the name doesn’t matter, only the extension in .conf):

<Directory /var/www/html>
AllowOverride None
Require all granted
</Directory>
<VirtualHost *:80>
DocumentRoot /var/www/html/serverx.example.com
ServerName serverx.example.com
ErrorLog logs/serverx.example.com-error_log
CustomLog logs/serverx.example.com-access_log common
</VirtualHost>

Check the validity of the configuration:

check apache config
apache configtest
Syntax OK
systemctl restart httpd

Check the virtual host(s) configuration:

# httpd -D DUMP_VHOSTS
VirtualHost configuration:
*:80                   is a NameVirtualHost
         default server dummy-host.example.com (/etc/httpd/conf.d/vhosts.conf:1)
         port 80 namevhost dummy-host.example.com (/etc/httpd/conf.d/vhosts.conf:1)
         port 80 namevhost dummy-host.example.com (/etc/httpd/conf.d/vhosts.conf:1)

Source:RHEL 7 HTTP Vhost

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