284 lines
11 KiB
Markdown
284 lines
11 KiB
Markdown
Title: Installing webserver software and publishing your website
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Date: 2019-01-14
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Category: fundamentals
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Tags: server, router, introduction, lan, wan
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Slug: fundamentals-webserver-website
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Summary: How to set up a spare computer as a web server and publish your website.
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Author: hbsc & friends
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Status: published
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# SUPER UNDER CONSTRUCTION
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TODO: add good dns registry reference
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##Introduction
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Ever wanted to host your own website from the comfort of your own house? Ever wondered how to achieve this? Search no further! This guide will help you with the installation of web server software, which is what allows a computer to start handling HTTP requests and serve web content in response.
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Besides helping you with the installation, this guide will help you getting the right certificates, configuring your server and publishing your homebrewserved website.
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The instructions on this guide were run on a Debian Stretch distribution.
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##Requirements
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- A spare computer.
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- A basic understanding of the command line.
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- An [ssh server and client](demystifying-ssh.html) installed
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- A registered domain name
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- Have an available power socket next to your router.
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- An ethernet cable to connect your server to the router.
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## Installing Apache
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The Apache HTTP server is a free and open-source web server software and it has been around since 1995, being the most widely used server software in the world. Because of this, documentation is plentiful and the support community is very large, meaning that help is quite easy to get for any of your server issues.
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For this reason, Apache has been selected for this guide.
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There are, of course, other web server software available, the most popular of which being Nginx. Nginx, which is also free and open-source software, arrived on the scene circa 2004, and it has also become a favourite for its resource efficiency.
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If you want to geek out further about the differences between Apache and Nginx, [this article](https://www.digitalocean.com/community/tutorials/apache-vs-nginx-practical-considerations) gives you an overview.
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So, without further ado, open a terminal window and let's get started:
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First, make sure you update your packages list:
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```bash
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$ sudo apt update
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```
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Then, install the Apache HTTP server software:
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```bash
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$ sudo apt install apache2
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```
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If all went well, Apache should have been started immediately after installation. To double check this, run:
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```bash
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$ sudo systemctl status apache2
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```
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Example output:
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```
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● apache2.service - The Apache HTTP Server
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Loaded: loaded (/lib/systemd/system/apache2.service; enabled; vendor preset:
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Active: active (running) since Sat 2019-06-22 21:29:51 UTC; 6s ago
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Main PID: 18398 (apache2)
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CPU: 573ms
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CGroup: /system.slice/apache2.service
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├─18398 /usr/sbin/apache2 -k start
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├─18402 /usr/sbin/apache2 -k start
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├─18403 /usr/sbin/apache2 -k start
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├─18404 /usr/sbin/apache2 -k start
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├─18405 /usr/sbin/apache2 -k start
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└─18406 /usr/sbin/apache2 -k start
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Jun 22 21:29:50 supermuch systemd[1]: Starting The Apache HTTP Server...
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Jun 22 21:29:51 supermuch systemd[1]: Started The Apache HTTP Server.
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```
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## Configuration Time
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You can find Apache's configuration files in the following location: /etc/apache2/sites-available.
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The 000-default.conf file should look a little something like this:
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```
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ServerAdmin webmaster@localhost
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<VirtualHost *:80>
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# The ServerName directive sets the request scheme, hostname and port that
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# the server uses to identify itself. This is used when creating
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# redirection URLs. In the context of virtual hosts, the ServerName
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# specifies what hostname must appear in the request's Host: header to
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# match this virtual host. For the default virtual host (this file) this
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# value is not decisive as it is used as a last resort host regardless.
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# However, you must set it for any further virtual host explicitly.
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# ServerName example.org
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ServerAdmin webmaster@localhost
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DocumentRoot /var/www/html
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# Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
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# error, crit, alert, emerg.
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# It is also possible to configure the loglevel for particular
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# modules, e.g.
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#LogLevel info ssl:warn
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ErrorLog ${APACHE_LOG_DIR}/error.log
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CustomLog ${APACHE_LOG_DIR}/access.log combined
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# For most configuration files from conf-available/, which are
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# enabled or disabled at a global level, it is possible to
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# include a line for only one particular virtual host. For example the
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# following line enables the CGI configuration for this host only
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# after it has been globally disabled with "a2disconf".
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#Include conf-available/serve-cgi-bin.conf
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</VirtualHost>
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```
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For ease of use, and in case you would like to have several websites/services running behind a single server, copy this file into another, easily identifiable one, for example, calling it something like "mydomain.conf".
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```bash
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$ sudo cp 000-default.conf mydomain.conf
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```
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Using your favourite text editor, uncomment the ServerName line and change it to reflect your domain name:
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```
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ServerAdmin webmaster@localhost
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<VirtualHost *:80>
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# The ServerName directive sets the request scheme, hostname and port that
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# the server uses to identify itself. This is used when creating
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# redirection URLs. In the context of virtual hosts, the ServerName
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# specifies what hostname must appear in the request's Host: header to
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# match this virtual host. For the default virtual host (this file) this
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# value is not decisive as it is used as a last resort host regardless.
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# However, you must set it for any further virtual host explicitly.
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ServerName mydomain.org
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ServerAdmin webmaster@localhost
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DocumentRoot /var/www/html
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# Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
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# error, crit, alert, emerg.
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# It is also possible to configure the loglevel for particular
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# modules, e.g.
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#LogLevel info ssl:warn
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ErrorLog ${APACHE_LOG_DIR}/mydomain.error.log
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CustomLog ${APACHE_LOG_DIR}/mydomain.access.log combined
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# For most configuration files from conf-available/, which are
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# enabled or disabled at a global level, it is possible to
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# include a line for only one particular virtual host. For example the
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# following line enables the CGI configuration for this host only
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# after it has been globally disabled with "a2disconf".
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#Include conf-available/serve-cgi-bin.conf
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</VirtualHost>
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```
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Enable this configuration by running:
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```bash
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$ sudo a2ensite mydomain.org
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```
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Restart Apache to load the new configuration:
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```bash
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$ sudo service apache2 restart
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```
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## HTTPS
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HTTPS, which stands for *hypertext transfer protocol secure*, is an extension of the HTTP protocol. As its name suggests, it adds a layer of security to the data exchanged between client and server. By adding an encryption layer to the exchanged packets, it seeks to avoid man-in-the-middle attacks, eavesdropping, etc. While HTTP uses port 80 by default, HTTPS uses port 443.
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As part of its bigger goal to "encrypt the entire Internet", the [Electronic Frontier Foundation](https://certbot.eff.org/about/) developed Certbot, a free and open source tool for automating the server-side deployment of [Let's Encrypt Certificates](https://letsencrypt.org/), thus enabling HTTPS.
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Let's get down to it! Again, these instructions are specific to Debian 9 (Stretch), but detailed instructions for installation on other distros can be found on [Certbot's website](https://certbot.eff.org/instructions)
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First, add backports to your packages list and update it:
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```bash
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$ echo deb http://deb.debian.org/debian stretch-backports main | sudo tee -a /etc/apt/sources.list && sudo apt update
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```
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Now, install Certbot:
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```bash
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$ sudo apt install certbot python-certbot-apache -t stretch-backports
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```
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Run Certbot to get the right certificates for your domain:
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```bash
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$ sudo certbot certonly -d myserver.org
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```
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After following the process, and if all went well, you should now see the following message:
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```
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- Congratulations! Your certificate and chain have been saved at:
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/etc/letsencrypt/live/mydomain.org/fullchain.pem
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Your key file has been saved at:
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/etc/letsencrypt/live/mydomain.org/privkey.pem
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Your cert will expire on 2019-09-24. To obtain a new or tweaked
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version of this certificate in the future, simply run certbot
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again. To non-interactively renew *all* of your certificates, run
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"certbot renew"
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- If you like Certbot, please consider supporting our work by:
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Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate
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Donating to EFF: https://eff.org/donate-le
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```
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Now, it is time to edit your etc/apache2/sites-available/mydomain.conf file accordingly:
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```
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<VirtualHost *:80>
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ServerName mydomain.org
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ServerAdmin webmaster@localhost
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DocumentRoot /var/www/html
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ErrorLog ${APACHE_LOG_DIR}/mydomain.error.log
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CustomLog ${APACHE_LOG_DIR}/mydomain.access.log combined
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</VirtualHost>
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#NEW CONFIG STARTS HERE
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<IfModule mod_ssl.c>
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<VirtualHost *:443>
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ServerName mydomain.org
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ServerAdmin webmaster@localhost
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DocumentRoot /var/www/html
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ErrorLog ${APACHE_LOG_DIR}/mydomain.error.log
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CustomLog ${APACHE_LOG_DIR}/mydomain.access.log combined
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SSLEngine on
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#PATH TO YOUR CERTIFICATES (note: don't forget to replace mydomain.org with your actual domain name!)
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SSLCertificateFile /etc/letsencrypt/live/mydomain.org/fullchain.pem
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SSLCertificateKeyFile /etc/letsencrypt/live/mydomain.org/privkey.pem
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</VirtualHost>
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</IfModule>
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```
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In case you didn't notice, there is now an if statement that evaluates true in case a certain module is present. In this case, it evaluates to true if [mod_ssl](http://www.modssl.org/) is present. [Apache modules](https://en.wikipedia.org/wiki/List_of_Apache_modules) can be installed as following:
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```bash
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$ sudo a2enmod modulename
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```
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To verify which modules are already running on your server, type:
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```bash
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$ sudo apache2ctl -M
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```
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If the required ssl_module is not listed, run:
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```bash
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$ sudo a2enmod ssl
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```
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Time to restart Apache and load all of these changes!
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## index.html
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At this point, when typing https://mydomain.org into your browser, you're greeted with a page that looks a little something like this:
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If you cd into your /var/www/html folder, you will find this default index.html. As recommended by this page itself, you should edit this file before continuing operations on your webserver.
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Open it on your favourite text editor and let's get started on a bare-bones "Hello Homebrew World"! webpage.
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```html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>My first homebrewed webpage</title>
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</head>
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<body>
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<h1>Hello Homebrew World!</h1>
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</body>
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</html>
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```
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Open your browser again and savour the fruits of your hard work.
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That was it! Now you are ready to have hours of endless fun sailing the vast sea of HTML, CSS, JavaScript, etc.
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