$ sudo yum update
$ sudo yum install httpd

Now, the apache httpd web server is installed. You can enable and start httpd service using following command:

$ sudo systemctl enable httpd
$ sudo systemctl start httpd

Configure the Firewall for Apache httpd server on RHEL 8

$ sudo firewall-cmd --permanent --zone=public --add-service=http
$ sudo firewall-cmd --permanent --zone=public --add-service=https
$ sudo firewall-cmd --reload

Verify Apache Installation

To verify apache httpd web server installed  and everything working as per the instructions, you can check the status of httpd service status and version:

$ sudo systemctl status httpd

Output-
● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
   Active: active (running) since Thu 2019-06-26 07:13:07 UTC; 11s ago
     Docs: man:httpd(8)
           man:apachectl(8)
 Main PID: 3059 (httpd)
...

$ sudo httpd -v

Output-
Server version: Apache/2.4.6 (rhel)
Server built:   Oct 19 2017 20:39:16

Manage Apache Service:

We can manage apache service in the similar of another systemd services.

To stop httpd service use following command:

$ sudo systemctl stop httpd

To start again httpd service, run following command:

$ sudo systemctl start httpd

To restart apache httpd service, use the following command:

$ sudo systemctl restart httpd

To reload apache httpd web service after any changes, run following command:

$ sudo systemctl reload httpd

To disable apache httpd service to start on boot, use following command:

$ sudo systemctl disable httpd

To enable httpd service again, use below command:

sudo systemctl enable httpd

Apache Configuration File’s Structure