{"id":51384,"date":"2026-02-02T12:30:00","date_gmt":"2026-02-02T18:30:00","guid":{"rendered":"https:\/\/www.rosehosting.com\/blog\/?p=51384"},"modified":"2025-12-26T05:29:29","modified_gmt":"2025-12-26T11:29:29","slug":"how-to-install-codeigniter-on-debian-13","status":"publish","type":"post","link":"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/","title":{"rendered":"How to Install CodeIgniter on Debian 13"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2026\/02\/how-to-install-codeigniter-on-debian-13.webp\" alt=\"How to Install CodeIgniter on Debian 13\" class=\"wp-image-51482\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2026\/02\/how-to-install-codeigniter-on-debian-13.webp 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2026\/02\/how-to-install-codeigniter-on-debian-13-300x169.webp 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2026\/02\/how-to-install-codeigniter-on-debian-13-150x84.webp 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2026\/02\/how-to-install-codeigniter-on-debian-13-768x432.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Rick Ellis created the CodeIgniter framework in 2006. As an open-source platform, CodeIgniter&#8217;s continuous integration serves web and application development. This framework was developed for developers who want to use the PHP programming language to create websites or applications. The goal of CI&#8217;s continuous integration is to simplify and accelerate developers&#8217; projects. CodeIgniter developers argue that when developers have to write their own code from scratch, performance can sometimes take longer. In this article, we will show you how to install CodeIgniter on Debian 13.<\/p>\n\n\n\n<!--more-->\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69ee2a7db0c90\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69ee2a7db0c90\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Prerequisites\" >Prerequisites<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Step-1-Update-the-System\" >Step 1. Update the System<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Step-2-Install-PHP\" >Step 2. Install PHP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Step-3-Install-Composer\" >Step 3. Install Composer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Step-4-Install-MySQL\" >Step 4. Install MySQL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Step-5-Create-a-Database\" >Step 5. Create a Database<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Step-6-Install-CodeIgniter\" >Step 6. Install CodeIgniter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Step-7-Configure-CodeIgniter\" >Step 7. Configure CodeIgniter<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#Step-8-Install-and-Configure-Nginx\" >Step 8. Install and Configure Nginx<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-prerequisites\"><span class=\"ez-toc-section\" id=\"Prerequisites\"><\/span>Prerequisites<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <a href=\"https:\/\/www.rosehosting.com\/debian-vps-hosting\/\">Debian 13 VPS<\/a> is necessary for installing CodeIgniter on this version.<\/li>\n\n\n\n<li>SSH root access or a regular system user with sudo privileges<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conventions\">Conventions<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u2013 given commands should be executed with root privileges either directly as a root user or by use of sudo command\n$ \u2013 given commands should be executed as a regular user<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-1-update-the-system\"><span class=\"ez-toc-section\" id=\"Step-1-Update-the-System\"><\/span>Step 1. Update the System<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Let&#8217;s log in to your Debian 13 VPS through SSH as a root user or as a regular user with sudo privileges.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh root@IP_Address -p Port_number<\/code><\/pre>\n\n\n\n<p>If you cannot log in as root, remember to substitute &#8220;root&#8221; with a user that has sudo privileges. Additionally, change \u201cIP_Address\u201d and \u201cPort_Number\u201d to make sure they match your server\u2019s respective IP address and SSH port.<\/p>\n\n\n\n<p>You can check whether you have the correct Debian version installed on your server with the following command:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># lsb_release -a<\/code><\/pre>\n\n\n\n<p>You should get this output:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>No LSB modules are available.\nDistributor ID: Debian\nDescription:  Debian GNU\/Linux 13 (trixie)\nRelease:  13\nCodename: trixie<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-2-install-php\"><span class=\"ez-toc-section\" id=\"Step-2-Install-PHP\"><\/span>Step 2. Install PHP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>According to their documentation page at https:\/\/codeigniter.com\/user_guide\/intro\/requirements.html, the latest version of CodeIgniter does not support PHP lower than version 8.4. Since Debian 13 ships with PHP 8.4, we can simply install it from the default repository, facilitating the installation of CodeIgniter on Debian 13.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># apt install php-{bcmath,common,curl,fpm,gd,intl,mbstring,mysql,soap,xml,zip,cli}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-3-install-composer\"><span class=\"ez-toc-section\" id=\"Step-3-Install-Composer\"><\/span>Step 3. Install Composer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In this step, we are going to install Composer, which is essential for CodeIgniter installation on Debian 13. The installation is fairly easy and straightforward.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># curl -sS https:\/\/getcomposer.org\/installer -o composer-setup.php\n# php composer-setup.php --install-dir=\/usr\/local\/bin --filename=composer<\/code><\/pre>\n\n\n\n<p>That\u2019s it. To check the version of the installed Composer, you can run this command:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># composer -V<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-4-install-mysql\"><span class=\"ez-toc-section\" id=\"Step-4-Install-MySQL\"><\/span>Step 4. Install MySQL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>CodeIgniter supports multiple database engines, like MySQL\/MariaDB, PostgreSQL, SQLite3, Microsoft SQL Server, or Oracle Database. In this step, we are going to install MariaDB from the default Debian 13 repository, which will help in setting up CodeIgniter on Debian 13. To install the MariaDB server, execute the command below:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># apt install mariadb-server <\/code><\/pre>\n\n\n\n<p>MariaDB should be up and running now.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-5-create-a-database\"><span class=\"ez-toc-section\" id=\"Step-5-Create-a-Database\"><\/span>Step 5. Create a Database<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>On Debian 13, MariaDB will start automatically upon installation. Since the database server is up and running now, we can log in to MySQL shell and create a database for our CodeIgniter website, enabling its installation on Debian 13.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># mysql <\/code><\/pre>\n\n\n\n<p>Once logged in to the MySQL shell, we can run the following commands.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mysql&gt; CREATE DATABASE codeigniter;\nmysql&gt; GRANT ALL on codeigniter.* to codeigniter@localhost identified by 'm0d1fyth15';\nmysql&gt; FLUSH PRIVILEGES;\nmysql&gt; \\q<\/code><\/pre>\n\n\n\n<p>Remember to replace m0d1fyth15 with a stronger password.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-6-install-codeigniter\"><span class=\"ez-toc-section\" id=\"Step-6-Install-CodeIgniter\"><\/span>Step 6. Install CodeIgniter<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>We can install CodeIgniter by directly downloading the installation file or by using Composer to install CodeIgniter on Debian 13. To install CI 4 with Composer, type the following command:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># cd \/var\/www\/html\n# composer create-project codeigniter4\/appstarter rosehosting -vvv<\/code><\/pre>\n\n\n\n<p>Wait for the process to complete.<\/p>\n\n\n\n<p>There are several arguments we passed to this command:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>create-project<\/strong> is the command to create a new project with Composer;\n<strong>codeigniter4\/appstarter<\/strong> is the CodeIgniter file to be downloaded;\n<strong>rosehosting <\/strong>is the name of the project we will create;\n<strong>-vvv<\/strong> allows you to view the installation process in more detail.<\/code><\/pre>\n\n\n\n<p>Once the process is complete, you will have a new folder called rosehosting in the directory where you execute the command from.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-7-configure-codeigniter\"><span class=\"ez-toc-section\" id=\"Step-7-Configure-CodeIgniter\"><\/span>Step 7. Configure CodeIgniter<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>To start making a configuration file, we can copy the sample env file to .env<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># cp -a env .env<\/code><\/pre>\n\n\n\n<p>Now, we can edit the .env file.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># nano .env<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>#--------------------------------------------------------------------\n# ENVIRONMENT\n#--------------------------------------------------------------------\nCI_ENVIRONMENT = development<\/code><\/pre>\n\n\n\n<p>Now add the database details.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#--------------------------------------------------------------------\n# DATABASE\n#--------------------------------------------------------------------\n\ndatabase.default.hostname = localhost\ndatabase.default.database = codeigniter\ndatabase.default.username = codeigniter\ndatabase.default.password = m0d1fyth15\ndatabase.default.DBDriver = MySQLi<\/code><\/pre>\n\n\n\n<p>Also, configure the URL to access the CodeIgniter4 web UI.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>app.baseURL = 'http:\/\/ci.yourdomain.com'<\/code><\/pre>\n\n\n\n<p>Replace ci.yourdomain.com with your actual domain name pointing to your server. Save the file, then exit from the editor.<\/p>\n\n\n\n<p>Now, we can give the CodeIgniter files the correct permissions.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># chown -R www-data: \/var\/www\/html\/rosehosting\/<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-8-install-and-configure-nginx\"><span class=\"ez-toc-section\" id=\"Step-8-Install-and-Configure-Nginx\"><\/span>Step 8. Install and Configure Nginx<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In this tutorial, we will install and use Nginx, not Apache. This is crucial when dealing with CodeIgniter installation on Debian 13. Let&#8217;s execute the following command to install it.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># apt -y install nginx<\/code><\/pre>\n\n\n\n<p>Upon installation, Nginx will automatically run. It is also configured to start automatically upon reboot.<\/p>\n\n\n\n<p>Now, let&#8217;s create an Nginx server block for the domain name you will use for accessing CodeIgniter. For example, we will use ci.yourdomain.com<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># nano \/etc\/nginx\/conf.d\/codeigniter.conf <\/code><\/pre>\n\n\n\n<p>Insert the following into the file.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>upstream codeigniter {\nserver unix:\/run\/php\/php8.4-fpm.sock;\n}\n\nserver { \nlisten 80 \n\nroot \/var\/www\/html\/rosehosting\/public;\n\nindex index.php;\n\nserver_name _;\n\nlocation \/ {\n    try_files $uri $uri\/ \/index.php;\n}\n\n\nlocation ~ \\.php$ {\n    include snippets\/fastcgi-php.conf;\n    fastcgi_pass codeigniter;\n    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;\n}<\/code><\/pre>\n\n\n\n<p>That&#8217;s it! You can now go to http:\/\/ci.yourdomain.com and start building your CodeIgniter website.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"531\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2025\/12\/codeigniter_welcome_page-1024x531.jpg\" alt=\"Install CodeIgniter on Debian 13\" class=\"wp-image-51386\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2025\/12\/codeigniter_welcome_page-1024x531.jpg 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2025\/12\/codeigniter_welcome_page-300x156.jpg 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2025\/12\/codeigniter_welcome_page-150x78.jpg 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2025\/12\/codeigniter_welcome_page-768x398.jpg 768w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2025\/12\/codeigniter_welcome_page-1320x685.jpg 1320w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2025\/12\/codeigniter_welcome_page.jpg 1355w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Follow the <a href=\"https:\/\/codeigniter.com\/user_guide\/\">CodIgniter documentation <\/a>to learn more.<\/p>\n\n\n\n<p>Of course, you don\u2019t have to install CodeIgniter on Debian 13 if you use one of our Debian VPS Hosting services, in which case you can ask our expert Linux administrators to install CodeIgniter on Debian 13 for you for free. They are available 24\u00d77 and will take care of your request immediately. Managing CodeIgniter websites is not just about the installation; we can help you optimize your CodeIgniter installation if you have an active service with us.<\/p>\n\n\n\n<p>If you liked this post about how to install CodeIgniter on Debian 13, please share it with your friends, or simply leave a comment below. Thanks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rick Ellis created the CodeIgniter framework in 2006. As an open-source platform, CodeIgniter&#8217;s continuous integration serves web and application development. &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"How to Install CodeIgniter on Debian 13\" class=\"read-more button\" href=\"https:\/\/www.rosehosting.com\/blog\/how-to-install-codeigniter-on-debian-13\/#more-51384\" aria-label=\"Read more about How to Install CodeIgniter on Debian 13\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":51482,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1700],"tags":[830,2265,1603],"class_list":["post-51384","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-debian","tag-codeigniter","tag-debian-13","tag-how-to-install","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast 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