Installing CodeIgniter on Ubuntu 18.04

CodeIgniter is a powerful PHP framework that helps developers build web applications quickly and efficiently. In order to install CodeIgniter on Ubuntu 18.04, follow the steps below:

sudo apt-get install apache2 mysql-server php libapache2-mod-php

sudo a2enmod rewrite

sudo systemctl restart apache2

wget https://github.com/bcit-ci/CodeIgniter/archive/3.1.11.zip

unzip 3.1.11.zip

sudo mv CodeIgniter-3.1.11 /var/www/html/codeigniter

sudo chown -R www-data:www-data /var/www/html/codeigniter

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

    ServerName your_domain_or_IP
    DocumentRoot /var/www/html/codeigniter/
    
        AllowOverride All
        Require all granted
    

sudo a2ensite codeigniter.conf

sudo systemctl restart apache2

1. First, make sure you have Apache web server, MySQL, and PHP installed on your Ubuntu system. If not, you can install them using the following command:
2. Next, you need to enable the Apache rewrite module. This is required for CodeIgniter's URL rewriting. Run the following command to enable it:
3. Restart Apache for the changes to take effect:
4. Download the latest stable release of CodeIgniter from their official website or using the following command:
5. Extract the downloaded zip file:
6. Move the extracted folder to Apache's web directory:
7. Change the ownership of the CodeIgniter folder to the Apache user:
8. Create a new Apache configuration file for your CodeIgniter project:
9. Add the following content to the file and save it:
10. Enable the new site configuration:
11. Restart Apache again:
12. You can now access your CodeIgniter application by opening a web browser and entering your server's IP address or domain name in the address bar.

Congratulations! You have successfully installed CodeIgniter on your Ubuntu 18.04 server. You can now start building your web applications using the CodeIgniter framework.