The Apache HTTP Server Project is an effort to develop and maintain anopen-source HTTP server for modern operating systems including UNIX andWindows. The goal of this project is to provide a secure, efficient andextensible server that provides HTTP services in sync with the current HTTPstandards.
The Apache HTTP Server ('httpd') was launched in 1995 and it has been the most popular web server on the Internet sinceApril 1996. It has celebrated its 25th birthday as a project in February 2020.
The Apache HTTP Server is a project of The Apache SoftwareFoundation.
$ podman top -l USER PID PPID%CPU ELAPSED TTY TIME COMMAND root 1 0 0.000 1018s pts/0 0s httpd -DFOREGROUND daemon 3 1 0.000 32179s pts/0 0s httpd -DFOREGROUND daemon 4 1 0.000 76305s pts/0 0s httpd -DFOREGROUND daemon 5 1 0.000 18476s pts/0 0s httpd -DFOREGROUND. Fev 10 11:23:45 srv-lim-otrs02.ttglog.local systemd1: Unit httpd.service entered failed state. Fev 10 11:23:45 srv-lim-otrs02.ttglog.local systemd1: httpd.service failed. Here is the output of hostnamectl status.
The Apache Software Foundation and the Apache HTTP Server Project arepleased toannounce therelease of version 2.4.46 of the Apache HTTP Server ('httpd').
This latest release from the 2.4.x stable branch represents the best availableversion of Apache HTTP Server.
Apache HTTP Server version 2.4.43 or newer is required in order to operate a TLS 1.3 web server with OpenSSL 1.1.1.
Download | ChangeLog for2.4.46 | Complete ChangeLog for2.4 | New Features in httpd2.4
As previously announced, the Apache HTTP Server Project has discontinuedall development and patch review of the 2.2.x series of releases.
The Apache HTTP Server Project had long committed to provide maintenancereleases of the 2.2.x flavor through June of 2017. The final release 2.2.34was published in July 2017, and no further evaluation of bug reports orsecurity risks will be considered or published for 2.2.x releases.
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Learn how to install and configure Apache web server in Linux. Understand the httpd configuration file and how to start, stop & enable Apache (httpd) in Linux.
Contents
- UNDERSTANDING THE SUBJECT MATTER
- ACTION TIME
UNDERSTANDING THE SUBJECT MATTER
Apache, also called Apache http server is an open-source web server. A web server, of course, is responsible for handling web requests from various computers hitting the web. (No web server, no website).
Just as there is an Apache web server, there are also a lot of web servers out there such as Nginx, IIS, Tomcat, etc.
Tomcat is also called Apache tomcat because it is developed by the same company that developed Apache (Apache Software Foundation)
Apache is a very popular and commonly used web server and can run on both Linux and Windows operating systems.
Just as Nginx, Apache can handle hundreds of thousands of connections trying to fetch information from the web concurrently.
With Apache, you can customize your configuration by using the “.htaccess” file.
When it comes to the Content Management System (CMS) such as WordPress, Joomla, and Drupal, they all work perfectly well on Apache, even without less or no configuration, hence why most web hosting companies use Apache and now Nginx as their web servers.
Apache application/daemon for Linux is “httpd”
The same way you start other services on Linux is also the same way Apache is started.
To start Apache, use the command
To Stop Apache, use the command,
To enable Apache, use the command,
core apache configuration file is in the path /etc/httpd/conf/httpd.conf)
Let’s see the contents in this file.
search for the line “DocumentRoot”
you can see the httpd document root (/var/www/html). It is one of the important parameters in the httpd configuration file.
Every website file will have to be on this path. The document root can be changed, especially for hardening web server security.
We will look at how to successfully change the document root of httpd when we get to the advanced configuration in another lesson.
httpd by default listens on port 80.
If you know LEMP stack, you will also know LAMP stack.
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LAMP stack consists of (Linux, Apache, MySQL, and PHP). They are all web development software used to manage web applications.
How to install LAMP stack in Linux (RHEL 8 / CentOS 8)
To install Linux (RHEL 8) click here.
And Of course, in the “ACTION TIME” of this lesson, we will install Apache & configure a basic website.
To install MySQL, click on this link
To install PHP, click on this link.
Having understood what Apache is, let’s get to installing and configuring Apache for a basic website.
ACTION TIME
How To Install & Configure Apache httpd On Linux (RHEL / CentOS 7 & 8)
we will look at how to configure Apache for a basic website.
1. Install Apache web server
2. create a web file in the document root location.
3. Start the httpd service
4. If you wish, you can enable the httpd service
5. Verify the service has started
6. Test your configuration
You can use any browser or use a text-based browser such as elinks.
To use elinks in RHEL 7, install elinks by using the command,
To install elinks in RHEL 8 or CentOS 8, click on this link
7. Now that elinks has been installed, do a test.
press the enter key to open the file
You can see that the web server is properly configured.
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In another tutorial, we will look at the advanced configuration of the Apache web server
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