Como iniciar o servidor Apache2
# Start Apache 2 server on Linux/Unix
sudo service apache2 start
Helpless Hyena
# Start Apache 2 server on Linux/Unix
sudo service apache2 start
# how to stop a web server linux
sudo service apache2 stop
systemctl status apache2
sudo systemctl start apache2
// Go to this directory using cmd
C:\xampp\apache\bin
Then, type
httpd
It would return a statement indicating why there's an issue.
Most probably, ServerName in httpd.conf file has two parameters instead of one