RHEL/CentOS 7: Apache Web Server
Install and get required packages
yum install httpd
yum group install "Web Server"
Check Apache startup
Check if it is enabled;
systemctl is-enabled httpd
If is is disabled, issue the following commands;
systemctl enable httpd
systemctl start httpd
Aswell as systemctl you can use the following the control Apache.
test http://ip_address or from the CLI curl ip_address