Why Apache Exists
Browsers need servers. Apache became one of the main ways websites reached the internet.
Question: Why Apache?
Answer: Serve websites.
Answer: Serve websites.
Primer
Resources
About
Lecture + worksheet
Job-ready Apache practice cards
Apache is one of the most important web servers in history. Learn how requests become pages, what breaks, and how professionals keep websites running.
What Happens After A URL
Follow a request from browser to DNS to Apache and back to the browser.
Browser → DNS → Apache → Response
Files Become Websites
Apache maps folders and files into pages visitors can request.
DocumentRoot → index.html
Virtual Hosts Changed Everything
One server can host many websites by using different domain rules.
site-a.com
site-b.com
one server
site-b.com
one server
Permissions Break Sites
Many Apache problems are really Linux permission problems.
403 Forbidden
Check permissions
Check permissions
.htaccess Power And Danger
A small folder rule can redirect, rewrite, protect, or break an entire site.
AllowOverride
.htaccess
.htaccess
Logs Are Evidence
When Apache fails, access logs and error logs usually tell the story.
access.log
error.log
error.log
Apache And PHP
Apache can pass PHP files to PHP so dynamic pages can be created.
request.php → PHP → HTML
Production Is Different
Traffic, bots, attacks, bad configs, and real users make production different from testing.
Works locally ≠ production ready
Keeping Apache Alive
The real skill is safe changes, logs, backups, monitoring, and recovery.
Backup → Change → Test → Verify