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PHP CodeIgniter, MySQL, Bootstrap 4, jQuery, REST API

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Architectural Overview & Highlights

About Perfex - Powerful Open Source CRM

Perfex is a feature‑rich, open‑source Customer Relationship Management (CRM) solution built on the robust CodeIgniter framework. Its modular architecture lets agencies, freelancers, and SMBs manage leads, projects, invoices, and support tickets from a single, intuitive dashboard. Powered by MySQL and a responsive Bootstrap 4 UI, Perfex delivers a fast, mobile‑friendly experience that scales with your growing client base. Designed for rapid deployment, Perfex integrates seamlessly with popular payment gateways, email services, and third‑party APIs via its built‑in REST endpoints. Whether you need to automate invoicing, track project milestones, or nurture leads with custom pipelines, Perfex offers the flexibility to customize workflows without touching core code. The clean, well‑documented codebase ensures developers can extend functionality safely, reducing time‑to‑market for new features. Investing in Perfex means cutting down on expensive SaaS subscriptions while retaining full ownership of your data. Its low‑cost, $5 flat‑rate pricing provides a high ROI, enabling you to focus resources on revenue‑generating activities rather than licensing fees. With instant download and comprehensive documentation, you can have a production‑ready CRM up and running in minutes.

Key Technical Features & Functionality

Lead & Customer Management with customizable pipelines

Project Management with milestones, timers, and Gantt charts

Full invoicing suite: quotes, recurring invoices, multiple currencies

Integrated ticketing system for seamless support workflow

Built‑in email marketing and campaign automation tools

Role‑based access control and detailed activity logs

REST API for easy integration with third‑party services

Responsive Bootstrap UI with multilingual support

PHP Scripts•PHP CodeIgniter, MySQL, Bootstrap 4, jQuery, REST API

Perfex - Powerful Open Source CRM

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Package Contents:

Complete Untouched Source Code (Full ZIP)

Database SQL Schema & Sample Data

Step-by-Step Installation Documentation

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Developer Knowledge Base & Technical Documentation

Comprehensive Documentation & Setup Guides

Explore complete technical guides covering installation, system requirements, performance benchmarks, customization methods, and troubleshooting.

Verified for 2026 Deployment•100% Tested Instructions

Type: INSTALLATION

Perfex - Powerful Open Source CRM - Complete Installation & Setup Guide on cPanel & VPS (2026)

Complete Installation & Setup Guide for Perfex – Powerful Open Source CRM

Category: PHP Scripts | Tech Stack: PHP CodeIgniter, MySQL, Bootstrap 4, jQuery, REST API

Target: cPanel & VPS (2026)

SEO Tip: Use the exact product name “Perfex CRM” in your page title, meta description, and H1 tag to capture high‑intent search traffic from developers looking for a ready‑to‑run CRM solution.

1. Server Requirements Overview

Requirement	Minimum	Recommended
OS	Any Linux distro (CentOS 7+, Ubuntu 18.04+)	Ubuntu 22.04 LTS or AlmaLinux 9
Web Server	Apache 2.4 or Nginx 1.18	Apache 2.4.57 (with `mod_rewrite`) or Nginx 1.22
PHP	7.4	8.2 (with `ext-mbstring`, `ext-xml`, `ext-gd`, `ext-curl`, `ext-pdo_mysql`)
MySQL / MariaDB	5.7 / 10.2	MySQL 8.0 or MariaDB 10.5
Memory	512 MB	2 GB+
Disk Space	500 MB	5 GB+ (for logs & backups)
SSL	Optional	Mandatory (Let’s Encrypt)

Note: Perfex runs best on a LEMP stack (Linux + Nginx + MySQL + PHP) but is fully compatible with a traditional LAMP configuration.

2. Preparing the Environment

2.1. Update the System

bash

# Ubuntu/Debian
sudo apt update && sudo apt upgrade -y

# CentOS/AlmaLinux
sudo dnf update -y

2.2. Install Required Packages

bash

# Ubuntu/Debian
sudo apt install -y apache2 php php-cli php-mbstring php-xml php-gd php-curl php-pdo php-mysql nginx mysql-server unzip git

# CentOS/AlmaLinux
sudo dnf install -y httpd php php-cli php-mbstring php-xml php-gd php-curl php-pdo php-mysqlnd nginx mariadb-server unzip git

Note: If you prefer Nginx only, disable Apache (sudo systemctl disable --now apache2 or httpd) and enable Nginx (sudo systemctl enable --now nginx).

2.3. Secure MySQL / MariaDB

bash

sudo mysql_secure_installation

Follow the prompts to set a strong root password and remove anonymous users.

3. Database Creation

Perfex requires a dedicated database with a user that has ALL privileges.

sql

-- Log in as root
mysql -u root -p

-- Create database
CREATE DATABASE perfex_crm CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

-- Create user (replace 'strong_password')
CREATE USER 'perfex_user'@'localhost' IDENTIFIED BY 'strong_password';

-- Grant privileges
GRANT ALL PRIVILEGES ON perfex_crm.* TO 'perfex_user'@'localhost';
FLUSH PRIVILEGES;
EXIT;

SEO Tip: Include the database name (perfex_crm) in your robots.txt comment block to avoid accidental crawling of internal tables (# Database: perfex_crm).

4. Deploying the Perfex Files

4.1. Download the Source

You can purchase the verified clean untouched source code for a flat $5.00 via 217G. The download link will be delivered instantly after payment.

bash

# Example: using wget with the direct link you receive
wget https://217g.com/downloads/perfex_crm_latest.zip -O perfex.zip

4.2. Extract to Web Root

bash

# For cPanel, the default public_html path is /home/username/public_html
sudo unzip perfex.zip -d /home/username/public_html/perfex

# Set proper ownership (replace 'username' with your cPanel user)
sudo chown -R username:username /home/username/public_html/perfex

4.3. Set File Permissions

bash

cd /home/username/public_html/perfex

# Directories that need write access
find . -type d -exec chmod 775 {} \;

# Files
find . -type f -exec chmod 664 {} \;

# Critical writable folders (uploads, cache, logs)
chmod -R 775 application/cache/
chmod -R 775 assets/uploads/
chmod -R 775 system/logs/

Note: Avoid using 777 as it creates security holes and can trigger Google’s “Unsafe” warnings.

5. Web Server Configuration

5.1. Apache (mod_rewrite)

Create a virtual host file:

apacheconf

<VirtualHost *:80>
    ServerName crm.example.com
    DocumentRoot /home/username/public_html/perfex

    <Directory /home/username/public_html/perfex>
        Options Indexes FollowSymLinks
        AllowOverride All
        Require all granted
    </Directory>

    ErrorLog ${APACHE_LOG_DIR}/perfex_error.log
    CustomLog ${APACHE_LOG_DIR}/perfex_access.log combined
</VirtualHost>

Enable the site and rewrite module:

bash

sudo a2enmod rewrite
sudo a2ensite perfex.conf
sudo systemctl reload apache2

5.2. Nginx (recommended)

Create /etc/nginx/conf.d/perfex.conf:

nginx

server {
    listen 80;
    server_name crm.example.com;
    root /home/username/public_html/perfex;

    index index.php;
    charset utf-8;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location ~ \.php$ {
        include fastcgi_params;
        fastcgi_pass unix:/var/run/php/php8.2-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_index index.php;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
        expires 30d;
        access_log off;
    }

    error_log /var/log/nginx/perfex_error.log;
    access_log /var/log/nginx/perfex_access.log;
}

Test and reload:

bash

sudo nginx -t && sudo systemctl reload nginx

5.3. Enforce HTTPS (Let’s Encrypt)

bash

sudo apt install certbot python3-certbot-nginx   # Ubuntu
# or
sudo dnf install certbot python3-certbot-nginx   # AlmaLinux

sudo certbot --nginx -d crm.example.com

6. Running the Installer

1
Open your browser and navigate to https://crm.example.com.
2
Follow the on‑screen wizard:

Database Details: host=localhost, name=perfex_crm, user=perfex_user, password=strong_password.
Admin Account: create a strong admin email and password.
License Key: paste the key you received after purchase.

Note: The installer writes configuration to application/config/database.php. After successful installation, delete the install folder (rm -rf /home/username/public_html/perfex/install) to prevent unauthorized re‑installs.

7. Common Installation Pitfalls & Fixes

Symptom	Likely Cause	Fix
404 Not Found on any route	`.htaccess` not read (Apache) or missing `try_files` (Nginx)	Ensure `AllowOverride All` (Apache) or correct `try_files` directive (Nginx).
Database connection error	Wrong credentials or missing `pdo_mysql` extension	Verify `application/config/database.php` values and run `php -m \	grep pdo_mysql`.
White screen / PHP Fatal error	Insufficient PHP memory limit	Increase `memory_limit` in `php.ini` to at least `256M`.
File upload fails	Permissions on `assets/uploads/` too restrictive	`chmod -R 775 assets/uploads/` and confirm ownership.
Cron jobs not executing	Missing cron entry or wrong path	Add `* * * * * /usr/bin/php /home/username/public_html/perfex/index.php cron` to crontab.
SSL “mixed content” warnings	Hard‑coded `http://` URLs in custom modules	Search/replace `http://` with `https://` in database or use the built‑in URL helper.

SEO Tip: Enable GZIP compression in your web server (gzip on; for Nginx) to improve page‑load speed—a ranking factor for Core Web Vitals.

8. Post‑Installation Optimizations

1
Enable Opcode Cache – Install opcache (sudo apt install php-opcache) and add to php.ini:

ini

   opcache.enable=1
   opcache.memory_consumption=128
   opcache.max_accelerated_files=4000

1
Configure Cron for Automated Tasks

bash

   crontab -e
   # Add the line below (runs every 5 minutes)
   */5 * * * * /usr/bin/php /home/username/public_html/perfex/index.php cron > /dev/null 2>&1

1
Set Up Backups – Use mysqldump and rsync for nightly snapshots:

bash

   # Database backup
   mysqldump -u perfex_user -p perfex_crm > /backup/perfex_$(date +%F).sql

   # File backup
   rsync -a --delete /home/username/public_html/perfex/ /backup/perfex_files/

1
Enable HTTP/2 – Most modern browsers prioritize HTTP/2; add to Nginx:

nginx

   listen 443 ssl http2;

1
Security Headers – Harden against click‑jacking and XSS:

nginx

   add_header X-Frame-Options SAMEORIGIN;
   add_header X-Content-Type-Options nosniff;
   add_header Referrer-Policy "no-referrer-when-downgrade";

9. Verifying SEO Readiness

Robots.txt – Allow crawling of public CRM pages but block internal paths:

text

  User-agent: *
  Disallow: /assets/uploads/
  Disallow: /system/

Sitemap – Use a plugin or module to generate sitemap.xml and submit it via Google Search Console.
Schema Markup – Add JSON‑LD for Organization and WebSite to the <head> of the main layout (application/views/layouts/header.php).

10. FAQ

Q1: Can I run Perfex on a shared cPanel host?

A: Yes, as long as the host provides PHP 7.4+ with the required extensions, MySQL, and allows you to set directory permissions to 775. For better performance and control, a VPS or dedicated server is recommended.

Q2: How do I upgrade Perfex to the latest version without losing data?

1
Back up the database and application folder.
2
Download the new release (again, available for $5.00 via 217G).
3
Overwrite the old files except application/config/database.php and any custom modules.
4
Run the migration script from the admin panel or via CLI (php index.php migrations run).

Q3: My Nginx configuration returns a 502 Bad Gateway after installing Perfex. What should I check?

A: A 502 usually means PHP‑FPM is not reachable. Verify that php8.2-fpm is running (systemctl status php8.2-fpm) and that the socket path in the Nginx config matches (fastcgi_pass unix:/var/run/php/php8.2-fpm.sock;). Restart both services if needed.

11. Final Checklist

[ ] Server meets recommended specs (see table).
[ ] MySQL database and user created with full privileges.
[ ] Files extracted to the correct web root and owned by

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