Step 1: Update Your System

First of all update your system to have the latest updates installed.

sudo apt update && sudo apt upgrade -y

Reboot  Sever 

Step 2: Install Apache, MariaDB & PHP On Ubuntu 20.04

Hit the below commands to get install the required packages.

sudo apt install apache2 mariadb-server php libapache2-mod-php php-common php-sqlite3 php-mysql php-gmp php-curl php-intl php-mbstring php-xmlrpc php-gd php-bcmath php-xml php-cli php-zip unzip git -y

When all dependencies are resolved, edit the php.ini file.

sudo nano /etc/php/7.4/apache2/php.ini

Modify the below lines according to your own requirements.

memory_limit = 256M
upload_max_filesize = 100M
max_execution_time = 360
date.timezone = Europe/Amsterdam

Then save & exit the file.

Now, type mysql in terminal to login to mariaDB.

mysql

CREATE DATABASE gibbondb;
CREATE USER 'gibbon'@'localhost' IDENTIFIED BY 'password';
GRANT ALL ON gibbondb.* TO 'gibbon'@'localhost' WITH GRANT OPTION;
FLUSH PRIVILEGES;
EXIT;

Step 3: Install Gibbon LMS On Ubuntu 20.04

With the help of wget command get the latest version of gibbon from their official site.

wget https://github.com/GibbonEdu/core/archive/v20.0.00.zip

After the download finished, extract it using unzip command.

unzip v20.0.00.zip

And then move the extracted content to the apache root folder.

mv core-20.0.00 /var/www/html/gibbon

And give the proper permssions.

chown -R www-data:www-data /var/www/html/gibbon/
chmod -R 755 /var/www/html/gibbon/

Step 4: Configure Apache For Gibbon LMS

Create a new config file.

sudo nano /etc/apache2/sites-available/gibbon.conf

And then paste the below content into it.

<VirtualHost *:80>
      ServerAdmin admin@example.com
      DocumentRoot /var/www/html/gibbon
      ServerName gibbon.example.com

      <Directory /var/www/html/gibbon/>
              Options FollowSymlinks
              AllowOverride All
              Require all granted
      </Directory>

ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined

      <Directory /var/www/html/gibbon/>
              RewriteEngine on
              RewriteBase /
              RewriteCond %{REQUEST_FILENAME} !-f
              RewriteRule ^(.*) index.php [PT,L]
       </Directory>
</VirtualHost>

Save & exit the file.

And enable the new config file by

a2ensite gibbon.conf

Now, enable apache rewrite & restart the apache services.

a2enmod rewrite
systemctl restart apache2

Step 5: Access Gibbon LMS Web Interface

Type http://testlab.osradar.com in your browser to access gibbon lms on your system. You’ll see the given page.

Verify the requirements & hit “Submit” button. You’ll be redirected to other page. Here, provide mentioned details & hit “Submit” button.

Now, provide account configs, system settings & organization settings & finally click “Submit”.

On successfull installation you’ll see the following page.

Here, hit Gibbon Homepage to go to the login page.

Type credentials to login.

You’ll see the Gibbon LMS Dashboard as shown below:

Step 6: Secure Gibbon LMS with Let’s Encrypt SSL

As for security reasons it is recommended to install SSL certificates. Hit the below commands to install SSL.

sudo apt-get install python3-certbot-apache -y
certbot --apache -d testlab.osradar.com

Note: Replace testlab.osradar.com with your own domain. And provide the asked details to finish installing SSL.

Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator standalone, Installer None
Enter email address (used for urgent renewal and security notices) (Enter 'c' to
cancel): info@osradar.com

Please read the Terms of Service at
https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf. You must
agree in order to register with the ACME server at
https://acme-v02.api.letsencrypt.org/directory

(A)gree/(C)ancel: A

Would you be willing to share your email address with the Electronic Frontier
Foundation, a founding partner of the Let's Encrypt project and the non-profit
organization that develops Certbot? We'd like to send you email about our work
encrypting the web, EFF news, campaigns, and ways to support digital freedom.

(Y)es/(N)o: Y
Plugins selected: Authenticator apache, Installer apache
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for gibbon.example.com
Enabled Apache rewrite module
Waiting for verification…
Cleaning up challenges
Created an SSL vhost at /etc/apache2/sites-available/gibbon-le-ssl.conf
Enabled Apache socache_shmcb module
Enabled Apache ssl module
Deploying Certificate to VirtualHost /etc/apache2/sites-available/gibbon-le-ssl.conf
Enabling available site: /etc/apache2/sites-available/gibbon-le-ssl.conf

Select redirect http to https & press Enter.

Please choose whether or not to redirect HTTP traffic to HTTPS, removing HTTP access.

1: No redirect - Make no further changes to the webserver configuration.
2: Redirect - Make all requests redirect to secure HTTPS access. Choose this for
new sites, or if you're confident your site works on HTTPS. You can undo this
change by editing your web server's configuration.

Select the appropriate number [1-2] then [enter] (press 'c' to cancel): 2

Enabled Apache rewrite module Redirecting vhost in /etc/apache2/sites-enabled/gibbon.conf to ssl vhost in /etc/apache2/sites-available/gibbon-le-ssl.conf - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Congratulations! You have successfully enabled https://gibbon.example.com You should test your configuration at: https://www.ssllabs.com/ssltest/analyze.html?d=gibbon.example.com - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - IMPORTANT NOTES: - Congratulations! Your certificate and chain have been saved at: /etc/letsencrypt/live/gibbon.example.com/fullchain.pem Your key file has been saved at: /etc/letsencrypt/live/gibbon.example.com/privkey.pem Your cert will expire on 2020-10-23. To obtain a new or tweaked version of this certificate in the future, simply run certbot again with the "certonly" option. To non-interactively renew *all* of your certificates, run "certbot renew" - If you like Certbot, please consider supporting our work by: Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate Donating to EFF: https://eff.org/donate-le

Now, you can access Gibbon LMS over https.

So, this is how you can install Gibbon LMS on Ubuntu 20.04

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