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Make sure the apache service is running & set to start automatically after system reboot.
systemctl auto httpd systemctl start httpd reboot systemctl status httpd
systemctl enable httpd systemctl start httpd reboot (after reboot) systemctl status httpd
systemctl disable httpd reboot
Systemd is a system and service manager for Linux operating systems. It's quite important features including configuring service auto startup, service daemon control, control init scripts etc. Command explanation: systemctl = Basic command (command line tool for systemd) enable = Enable a service to start at boot. start = Start a service disable = Disable a service from starting at boot stop = Stop a service status = View status of a service reload = Apply configuration changes without rebooting services
Example screenshot (befor reboot) - http://prntscr.com/ge8mi9 Example screenshot (after reboot) - http://prntscr.com/ge8n0r
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