How to setup a Jenkins server? How to connect Jenkins with a server? How to setup Jenkins on remote server? Do you need a server for Jenkins?

 

Jenkins

Labs

• Set Up Jenkins Server
• Install Jenkins Plugins
• Configure Jenkins User Access
• Organize Jenkins Jobs with Folders
• Configure Jenkins Job for Package Installation
• Part 1 Q & A
• 
  

Ansible Tutorial for Beginners: Playbook Commands & Examples | Getting started with Ansible Questions & Answers

 

Ansible

Labs

• 🍕 Troubleshoot and Create Ansible Playbook
• 🍕 Create Ansible Inventory for App Server Testing
• 🍕 Configure Default SSH User for Ansible
• 🍕 Copy Data to App Servers using Ansible
• 🍕 Create Files on App Servers using Ansible
• 🍕 P-1 Question Summary

Kubernetes also known as K8s is an open source system for automating deployment, scaling, and management of containerized applications

 

Kubernetes

Labs

• 🚀 All Questions and Answers
• 🚀 Deploy Replica Set in Kubernetes Cluster
• 🚀 Schedule Cronjobs in Kubernetes
• 🚀 Create Countdown Job in Kubernetes
• 🚀 Set Up Time Check Pod in Kubernetes
• 🚀 Resolve Pod Deployment Issue
• 🚀 Update Deployment and Service in Kubernetes
• 🚀 Deploy Highly Available Pods with Replication Controller
• 🚀 Resolve Volume Mounts Issue in Kubernetes
• 🚀 Deploy Pods in Kubernetes Cluster
• 🚀 Deploy Applications with Kubernetes Deployments
• 🚀 Setup Kubernetes Namespaces and PODs
• 🚀 Set Resource Limits in Kubernetes Pods
• 🚀 Execute Rolling Updates in Kubernetes
• 🚀 Revert Deployment to Previous Version in Kubernetes

Practice

• 🚀 L2 - Kubernetes Shared Volumes
• 🚀 L2 - Kubernetes Sidecar Containers
• 🚀 L2 - Print Environment Variables
• 🚀 L2 - Rolling Updates And Rolling Back Deployments in Kubernetes
• 🚀 L2 - Deploy Jenkins on Kubernetes
• 🚀 L2 - Deploy Grafana on Kubernetes Cluster
• 🚀 L2 - Deploy Tomcat App on Kubernetes
• 🚀 L2 - Deploy Node App on Kubernetes
• 🚀 L2 - Deploy Node App on Kubernetes
• 🚀 L2 - Troubleshoot Deployment issues in Kubernetes
• 🚀 Fix issue with LAMP Environment in Kubernetes

Docker Tutorial for Beginners Learn to build and deploy your distributed applications easily to the cloud with Docker

 

💥 YouTube https://www.youtube.com/channel/UCJojbxGV0sfU1QPWhRxx4-A

💥 WordPress https://computerclassinsrilanka.wordpress.com

💥 Quora https://www.quora.com/profile/BIT-UCSC-UoM-Final-Year-Student-Project-Guide

💥 Facebook https://web.facebook.com/itclasssrilanka

💥 Wix https://itclasssl.wixsite.com/icttraining

💥 Web https://itclasssl.github.io/eTeacher/

💥 Medium https://medium.com/@itclasssl

💥 mystrikingly https://bit-ucsc-uom-final-year-project-ideas-help-guide-php-class.mystrikingly.com/

💥 https://elakiri.com/threads/bit-ucsc-uom-php-mysql-project-guidance-and-individual-classes-in-colombo.1627048/

💥 https://bitbscucscuomfinalprojectclasslk.weebly.com/

Docker

Labs

• ❌ Complete List of Common Docker Commands
• ❌ Docker 50 Questions
• ❌ Interview Preparations
• ❌ Lab 01
• ❌ Lab 02
• ❌ Lab 03
• ❌ Lab 04 : Docker Environment Variables
• ❌ Labs 05 : Docker Command & Entrypoint Questions
• ❌ Lab 06 : Docker Compose
• ❌ Lab 07 : Docker Images
• ❌ Labs 8: Docker Networking
• ❌ Docker Vs Podman
• 🚀 Deploy Nginx Container on Application Server
• ❌ Delete Docker Container
• 📁 Copy File to Docker Container
• 🛠️ Troubleshoot Docker Container Issue
• 📚 Summary

Docker Certified Associate Exam Course

• 📚 Test 01 : Docker Engine Architecture
• 📚 Test 02 : Docker Research Questions build context | commands
• 📚 Test 03 : Research Questions CMD-vs-Entrypoint
• 📚 Test 04 : Docker Engine
• 📚 Test 05 : Docker Engine Security
• 📚 YAML Tutorial for Beginners
• 📚 Docker Tutorial for Beginners

Practice Questions

• Practice level 2
• L2: Pull Docker Image
• L2: Docker Update Permissions
• L2: Create a Docker Image From Container
• L2: Docker EXEC Operations
• L2: Write a Docker File
• L3: Create a Docker Network
• L3:Docker Volumes Mapping
• L3: Docker Ports Mapping
• L3: Save, Load and Transfer Docker Image
• L3: Write a Docker Compose File
• L4: Resolve Dockerfile Issues
• L4: Resolve Docker Compose Issues
• L4: Deploy an App on Docker Containers
• L4: Docker Node App
• L4: Docker Python App

Linux Administration | Cloud | DecvOps | Tutorials | Notes | Practical Questions and Answers | Lab Exercise

Linux

Labs

• 🛠️ Custom Apache User Setup
• 👥 Group Creation and User Assignment
• 👤 Linux User Setup with Non-Interactive Shell
• 🏠 Linux Service User Creation without Home Directory
• ⏰ Temporary User Setup with Expiry
• 📂 Linux User Data Transfer
• 🔐 Secure Root SSH Access
• 💾 Data Backup for Developer
• ⚙️ Script Execution Permissions
• 📄 File Permission Correction
• 📦 Secure Data Transfer
• 🕒 Restrict Cron Access
• 🖥️ Default GUI Boot Configuration
• 🌍 Timezone Alignment
• 🔥 Firewall Configuration
• 📊 Process Limit Adjustment
• 🔒 SElinux Installation and Configuration
• 📜 All Summary

💥 YouTube https://www.youtube.com/channel/UCJojbxGV0sfU1QPWhRxx4-A

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💥 Quora https://www.quora.com/profile/BIT-UCSC-UoM-Final-Year-Student-Project-Guide

💥 Facebook https://web.facebook.com/itclasssrilanka

💥 Wix https://itclasssl.wixsite.com/icttraining

💥 Web https://itclasssl.github.io/eTeacher/

💥 Medium https://medium.com/@itclasssl

💥 mystrikingly https://bit-ucsc-uom-final-year-project-ideas-help-guide-php-class.mystrikingly.com/

💥 https://elakiri.com/threads/bit-ucsc-uom-php-mysql-project-guidance-and-individual-classes-in-colombo.1627048/

💥 https://bitbscucscuomfinalprojectclasslk.weebly.com/

Git Lab Session with practical step by step guide

 

GIT

Labs

• 📦 Set Up Git Repository on Storage Server
• 🔄 Clone Git Repository on Storage Server
• 🍴 Fork a Git Repository
• 💾 Update Git Repository with Sample HTML File
• 🗑️ Delete Git Branch
• 🔧 Git Exercise

Securing a PHP website involves multiple strategies to protect against various types of attacks. Here are some best practices to enhance the security of your PHP website

 Securing a PHP website involves multiple strategies to protect against various types of attacks. Here are some best practices to enhance the security of your PHP website:

PHP/mySQL Projects

Documentation

• ❌ Sample Project Titles
• 🚀 How to start a software project ? Pre conditions to follow.
• 📁 Software Projects Proposal Samples
• 🛠️ Interim Report
• 📚 Progress Report
• 📚 Final Dissertation
• 📚 Software Requirements Specification (SRS)
• 📚 Test document
• 📚 User Manual
• 📚 Implementation Document
• 📚 Project Source Code [PHP/mySQL] web application

Sample Project

• ❌ User Management
• ❌ Order Management
• ❌ Create New Order
• ❌ Data Entry Forms
• ❌ WhatsApp AI Bot

1. **Validate and Sanitize Input**:

   - **Validation**: Ensure inputs meet expected formats (e.g., email addresses, dates).

   - **Sanitization**: Remove or encode potentially harmful characters.

   - **Example**:

     ```php

     $email = filter_var($_POST['email'], FILTER_VALIDATE_EMAIL);

     $name = htmlspecialchars($_POST['name'], ENT_QUOTES, 'UTF-8');

     ```

2. **Use Prepared Statements for Database Queries**:

   - Prevents SQL Injection by separating SQL logic from data.

   - **Example**:

     ```php

     $stmt = $pdo->prepare('SELECT * FROM users WHERE email = :email');

     $stmt->execute(['email' => $email]);

     $user = $stmt->fetch();

     ```

3. **Use HTTPS**:

   - Encrypts data transmitted between the server and the client.

   - Obtain an SSL certificate and configure your web server to use HTTPS.

4. **Secure Session Management**:

   - Regenerate session IDs on login to prevent session fixation.

   - Use secure, HTTP-only cookies.

   - **Example**:

     ```php

     session_start();

     session_regenerate_id(true);

     ini_set('session.cookie_secure', '1');

     ini_set('session.cookie_httponly', '1');

     ```

5. **Protect Against Cross-Site Scripting (XSS)**:

   - Escape output to prevent execution of malicious scripts.

   - **Example**:

     ```php

     echo htmlspecialchars($user_input, ENT_QUOTES, 'UTF-8');

     ```

6. **Implement Cross-Site Request Forgery (CSRF) Protection**:

   - Use tokens to verify requests.

   - **Example**:

     ```php

     // Generate token

     if (empty($_SESSION['csrf_token'])) {

         $_SESSION['csrf_token'] = bin2hex(random_bytes(32));

     }

     $token = $_SESSION['csrf_token'];

     // Validate token

     if (hash_equals($_SESSION['csrf_token'], $_POST['csrf_token'])) {

         // Process request

     } else {

         // Invalid token

     }

     ```

7. **Limit File Uploads**:

   - Validate file types and sizes.

   - Store files outside the web root.

   - **Example**:

     ```php

     $allowed_types = ['image/jpeg', 'image/png'];

     if (in_array($_FILES['file']['type'], $allowed_types) && $_FILES['file']['size'] < 1000000) {

         move_uploaded_file($_FILES['file']['tmp_name'], '/path/outside/webroot/' . $_FILES['file']['name']);

     }

     ```

8. **Use Content Security Policy (CSP)**:

   - Prevents XSS by specifying valid sources of content.

   - **Example**:

     ```php

     header("Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self';");

     ```

9. **Disable Error Reporting on Production**:

   - Prevents exposure of sensitive information.

   - **Example**:

     ```php

     ini_set('display_errors', '0');

     ini_set('log_errors', '1');

     ```

10. **Keep Software Up-to-Date**:

    - Regularly update PHP, web server, and any libraries or frameworks used.

11. **Implement Proper Authentication and Authorization**:

    - Use secure password hashing (e.g., `password_hash()` and `password_verify()`).

    - Restrict access based on user roles and permissions.

12. **Regular Security Audits**:

    - Conduct regular code reviews and vulnerability assessments.

    - Use tools like OWASP ZAP, Burp Suite, or commercial security scanners.

By following these best practices, you can significantly improve the security of your PHP website and protect it from common attacks.

==================================================================

==================================================================

Automating website data entry can be done through several methods, primarily focusing on web scraping and browser automation tools. Here are some popular approaches:

1. **Selenium**:

   - **Description**: A powerful tool that allows you to control a web browser programmatically.

   - **Use Case**: Best for interacting with dynamic web pages, filling forms, clicking buttons, and navigating through multiple pages.

   - **Languages**: Python, Java, C#, etc.

   - **Example**:

     ```python

     from selenium import webdriver

     from selenium.webdriver.common.keys import Keys

     # Initialize the WebDriver

     driver = webdriver.Chrome()

     # Open a website

     driver.get("http://example.com/login")

     # Find elements and send data

     username = driver.find_element_by_name("username")

     password = driver.find_element_by_name("password")

     username.send_keys("your_username")

     password.send_keys("your_password")

     # Submit the form

     password.send_keys(Keys.RETURN)

     # Close the browser

     driver.quit()

     ```

2. **BeautifulSoup and Requests**:

   - **Description**: Used for web scraping, BeautifulSoup parses HTML and XML documents, while Requests is used to send HTTP requests.

   - **Use Case**: Suitable for extracting and submitting data to static web pages.

   - **Languages**: Python.

   - **Example**:

     ```python

     import requests

     from bs4 import BeautifulSoup

     # Send a GET request

     url = "http://example.com"

     response = requests.get(url)

     # Parse the HTML content

     soup = BeautifulSoup(response.text, 'html.parser')

     # Find elements and extract data

     title = soup.title.string

     print(title)

     # To submit data, use POST requests

     data = {

         'username': 'your_username',

         'password': 'your_password'

     }

     response = requests.post("http://example.com/login", data=data)

     print(response.text)

     ```

3. **Robotic Process Automation (RPA) Tools**:

   - **Description**: Tools like UiPath, Automation Anywhere, and Blue Prism can automate repetitive tasks involving multiple applications.

   - **Use Case**: Ideal for enterprise-level automation involving complex workflows.

   - **Languages**: Usually comes with its own scripting language or visual interface.

   - **Example**: Creating a sequence in UiPath to automate login to a website.

4. **AutoHotkey (AHK)**:

   - **Description**: A scripting language for automating the Windows GUI.

   - **Use Case**: Good for simple automation tasks on Windows.

   - **Example**:

     ```ahk

     ; Open a browser and navigate to a website

     Run, chrome.exe "http://example.com"

     ; Wait for the page to load

     Sleep, 3000

     ; Send username and password

     Send, your_username

     Send, {Tab}

     Send, your_password

     ; Press Enter to submit the form

     Send, {Enter}

     ```

5. **Puppeteer**:

   - **Description**: A Node.js library that provides a high-level API to control Chrome or Chromium.

   - **Use Case**: Useful for headless browser automation.

   - **Languages**: JavaScript, TypeScript.

   - **Example**:

     ```javascript

     const puppeteer = require('puppeteer');

     (async () => {

       const browser = await puppeteer.launch();

       const page = await browser.newPage();

       await page.goto('http://example.com/login');

       await page.type('#username', 'your_username');

       await page.type('#password', 'your_password');

       await page.click('#loginButton');

       await page.waitForNavigation();

       await browser.close();

     })();

     ```

These methods vary in complexity and use case, so choose the one that best fits your specific requirements.

================================================

================================================

Here are some platforms where you can deploy PHP and MySQL applications for free:

1. **000webhost**

   - Offers free PHP and MySQL hosting.

   - Includes features like custom domain, FTP, and file manager.

   - [000webhost](https://www.000webhost.com/)

2. **InfinityFree**

   - Provides unlimited disk space and bandwidth for free.

   - Supports PHP and MySQL.

   - [InfinityFree](https://infinityfree.net/)

3. **FreeHosting**

   - Offers free PHP and MySQL hosting with 10 GB disk space and unmetered bandwidth.

   - Includes one MySQL database and FTP access.

   - [FreeHosting](https://www.freehosting.com/)

4. **AwardSpace**

   - Provides 1 GB disk space and 5 GB monthly traffic for free.

   - Includes PHP, MySQL, and a one-click installer.

   - [AwardSpace](https://www.awardspace.com/)

5. **ByetHost**

   - Offers free hosting with PHP and MySQL support.

   - Provides FTP access, 5 GB disk space, and unlimited bandwidth.

   - [ByetHost](https://byet.host/)

6. **x10Hosting**

   - Free PHP and MySQL hosting with unlimited disk space and bandwidth.

   - Includes cPanel for easy management.

   - [x10Hosting](https://x10hosting.com/)

These platforms provide various levels of service and support for PHP and MySQL applications, making them suitable for small projects, learning, and development purposes.