The best way to become familiar with any technology is to dive right in. We'll begin this chapter by installing Apache, which is simply a matter of installing the apache2
package:
# apt-get install apache2
By default, Ubuntu will immediately start and enable the apache2
daemon as soon as its package is installed. You can confirm this yourself with either of the two following commands, the latter of which you would use on older Ubuntu server installations:
# systemctl status apache2 # /etc/init.d/apache2 status
In fact, at this point, you already have (for all intents and purposes) a fully functional web server. If you were to open a web browser and enter the IP address of the server you just installed Apache on, you should see Apache's sample web page:
Of course, there's more to Apache than simply installing it. There are several configuration files in the /etc/apache2
directory that govern how sites are hosted, as...