Boost Your SQL Expertise with These 11 Free Resources:

🌐 [SQLZoo](http://sqlzoo.net)
🌍 [W3Schools - SQL](http://w3schools.com/sql)
📘 [TutorialsPoint - SQL](http://tutorialspoint.com/sql/index.htm)
🖥 [Codecademy - Learn SQL](http://codecademy.com/learn/learn-sql)
✏️ [SQLBolt](http://sqlbolt.com)
📊 [Mode SQL Tutorial](http://mode.com/sql-tutorial)
🐘 [PostgreSQL Tutorial](http://postgresqltutorial.com)
🌊 [MySQL Tutorial](http://mysqltutorial.org)
📚 [DataCamp - Intro to SQL](http://datacamp.com/courses/introduction-to-sql)
🎬 [Udemy - SQL Topics](http://udemy.com/topic/sql)
👓 [GeeksforGeeks - SQL Guide](https://geeksforgeeks.org/sql-tutorial/)

https://www.linkedin.com/posts/brijpandeyji_nailing-your-sql-interview-is-easier-than-activity-7120598814838640640-8dPN?

Your feedback in invaluable. I have created this document for you https://www.linkedin.com/feed/update/urn:li:activity:7120779130492604416/

🐧 𝗟𝗶𝗻𝘂𝘅 𝗖𝗼𝗺𝗺𝗮𝗻𝗱𝘀 𝟭𝟬𝟭

📂 𝟭. 𝗙𝗶𝗹𝗲 𝗮𝗻𝗱 𝗗𝗶𝗿𝗲𝗰𝘁𝗼𝗿𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 📂
-𝚕𝚜: List all files and directories 📋
- 𝚙𝚠𝚍: Print current directory's path 📍
- 𝚌𝚍: Change directory 🚪
- 𝚖𝚔𝚍𝚒𝚛: Create a new directory 📁
- 𝚛𝚖𝚍𝚒𝚛: Remove directory (if empty) ❌📁
- 𝚝𝚘𝚞𝚌𝚑: Create a new file 📄
- 𝚌𝚙: Copy files or directories 📤📥
- 𝚖𝚟: Move or rename files or directories 🚚
- 𝚛𝚖: Remove files or directories 🗑️

🔧 𝟮. 𝗣𝗿𝗼𝗰𝗲𝘀𝘀 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 🔄
- 𝚙𝚜: List current processes 🏃
- 𝚝𝚘𝚙: Display active processes in real-time ⏲️
- 𝚑𝚝𝚘𝚙: Interactive process viewer 📊
- 𝚔𝚒𝚕𝚕: Terminate a process ❌
- 𝚔𝚒𝚕𝚕𝚊𝚕𝚕: Terminate all instances of a process ❌🔄
- 𝚙𝚜𝚝𝚛𝚎𝚎: Display processes in a tree format 🌲

👥 𝟯. 𝗨𝘀𝗲𝗿 𝗮𝗻𝗱 𝗚𝗿𝗼𝘂𝗽 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 👥
- 𝚙𝚊𝚜𝚜𝚠𝚍: Change user password 🔑
- 𝚞𝚜𝚎𝚛𝚊𝚍𝚍: Add a new user 👤➕
- 𝚞𝚜𝚎𝚛𝚍𝚎𝚕: Remove a user 👤❌
- 𝚐𝚛𝚘𝚞𝚙𝚜: Display groups a user belongs to 🧑‍🤝‍🧑
- 𝚞𝚜𝚎𝚛𝚖𝚘𝚍: Modify user details ✏️👤
- 𝚒𝚍: Display user ID and group ID info 🆔
- 𝚐𝚛𝚘𝚞𝚙𝚊𝚍𝚍: Add a new group 🎉
- 𝚐𝚛𝚘𝚞𝚙𝚍𝚎𝚕: Delete a group 🚫


💾 𝟰. 𝗦𝘆𝘀𝘁𝗲𝗺 𝗜𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 🖥️
- 𝚞𝚗𝚊𝚖𝚎: Display system information 💻
- 𝚍𝚏: Disk space usage of file systems 💽
- 𝚍𝚞: Estimate file and directory space usage 📊
- 𝚏𝚛𝚎𝚎: Display memory usage 🧠
- 𝚕𝚜𝚌𝚙𝚞: CPU architecture info 🤖
- 𝚕𝚜𝚑𝚠: List hardware 🖨️🖱️
- 𝚕𝚜𝚋𝚕𝚔: List block devices 💾

🌐 𝟱. 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 🕸️
- 𝚒𝚏𝚌𝚘𝚗𝚏𝚒𝚐: Display and configure network interfaces 🖧
- 𝚒𝚙: Show/manipulate routing, devices, policy routing, and tunnels 🌍
- 𝚙𝚒𝚗𝚐: Test the reachability of a network host 📡
- 𝚗𝚎𝚝𝚜𝚝𝚊𝚝: Network statistics 📊🌐
- 𝚜𝚜: Another utility to investigate sockets 🔌
- 𝚝𝚛𝚊𝚌𝚎𝚛𝚘𝚞𝚝𝚎: Display the route and transit delays of packets 🚀
- 𝚜𝚜𝚑: Securely log into remote machines 🔐🖥️
- 𝚗𝚌: Swiss army knife for TCP/IP 💼

📦 𝟲. 𝗣𝗮𝗰𝗸𝗮𝗴𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 📦
- 𝚊𝚙𝚝-𝚐𝚎𝚝, 𝚊𝚙𝚝: Package handler for Debian systems 📥📤
- 𝚢𝚞𝚖, 𝚍𝚗𝚏: Package manager for RPM systems 🎁
- 𝚛𝚙𝚖: Package manager for RPM packages 🌀
- 𝚍𝚙𝚔𝚐: Package manager for Debian packages 📜
- 𝚜𝚗𝚊𝚙: Universal Linux package system 🌍
- 𝚣𝚢𝚙𝚙𝚎𝚛: Package manager for openSUSE 🍀

📜 𝟳. 𝗙𝗶𝗹𝗲 𝗩𝗶𝗲𝘄𝗶𝗻𝗴 𝗮𝗻𝗱 𝗘𝗱𝗶𝘁𝗶𝗻𝗴 📝
- 𝚌𝚊𝚝: Display file content 😺
- 𝚕𝚎𝚜𝚜: View file content with navigation ⬆️⬇️
- 𝚖𝚘𝚛𝚎: Another file viewer 📖
- 𝚟𝚒𝚖: A powerful text editor ✍️
- 𝚐𝚎𝚍𝚒𝚝: GNOME text editor 📝
- 𝚗𝚊𝚗𝚘: Easy-to-use text editor in the terminal 🎵

Those who missed the last giveaway, here is another giveaway for my book -https://www.linkedin.com/posts/brijpandeyji_so-ive-got-some-cool-news-to-share-remember-activity-7121174161401466881-FqJ6

Top 9 Http Methods-

GET 🧐 - Retrieve data from a resource.
HEAD 🎧 - Retrieve the headers of a resource.
POST 📮 - Submit data to a resource.
PUT 📥 - Update an existing resource or create a new resource.
DELETE 🗑️ - Remove a resource.
CONNECT 🔗 - Establish a network connection for a resource.
OPTIONS ⚙️ - Describe communication options for the target resource.
TRACE 🕵️‍♂️ - Retrieve a diagnostic trace of the request.
PATCH 🩹 - Apply a partial update to a resource.

Essential API Tools for 2023

APIs are now the backbone of most digital projects. 🌐 To make sure you're all geared up for 2023, I've laid down a bunch of top tools by category. Dive in! 🏊‍♂️

🔍 𝗗𝗲𝘀𝗶𝗴𝗻 & 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁:
- Swagger (OpenAPI) for spec 📝
- RAML, PAML & API Blueprint for languages 🖊️
- Postman for that nifty design & testing 🛠️
- Mockoon for mock servers 👨‍💻

💼 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 & 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁:
- API {REST} & FakeRest for deployment 🚀
- Big names like Apigee, MuleSoft Anypoint, IBM API Connect & more for management 🏢

🧪 𝗧𝗲𝘀𝘁𝗶𝗻𝗴:
- APACHE JMeter™ & JMeter for load testing ⚖️
- SoapUI for functional tests 🧫
- Rest-Assured & more for mock & test 🧐

🔄 𝗖𝗼𝗱𝗲 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝗼𝗻:
- Swagger & RAML Codegen to help churn out that code 💻

🔐 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆:
- From general tools like Postman to niche ones like OWASP ZAP & API Fortress 🛡️
- Autho, Okta & Keycloak got your back for auth 🚪

📊 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴:
- Monitoring gods like New Relic, Datadog, & AppDynamics 🖥️

🛡 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻:
- Cloudflare, AWS WAF & Azure Firewall for that sturdy protection 🚫

Data types are foundational in computing, and it's essential to understand them to work effectively in any programming environment.

Let's take a dive into the top ten commonly used data types:

1. Integer (int):
- Represents whole numbers.
- Examples: -2, -1, 0, 1, 2, 3

2. Floating Point (float/double):
- Represents numbers with decimals.
- Examples: -2.5, 0.0, 3.14

3. Character (char):
- Represents single characters.
- Examples: 'A', 'b', '1', '%'

4. String:
- Represents sequences of characters, basically text.
- Examples: "Hello", "ChatGPT", "1234"

5. Boolean (bool):
- Represents true or false values.
- Examples: True, False

6. Array:
- Represents a collection of elements, often of the same type.
- Examples: [1, 2, 3], ["apple", "banana", "cherry"]

7. Object:
- Used in object-oriented programming, represents a combination of data and methods to manipulate the data.
- Examples: A Car object might have data like color and speed and methods like drive() and park().

8. Date & Time:
- Represents date and time values.
- Examples: 23-10-2023, 12:30:45

9. Byte & Binary:
- Represents raw binary data.
- Examples: 01010101 (Byte), 101000111011 (Binary)

10. Enum:
- Represents a set of named constants.
- Examples: Days of the week (Monday, Tuesday...), Colors (Red, Blue, Green)

100% Free

Let's learn how to build high performance LLM Apps using inventory, product, and review data in a hands-on interactive session.

Join me in this upcoming webinar for a hands-on, interactive session on how to build high-performance LLM apps using inventory, product, and review data.

🗓️ Don't miss out! This 𝗧𝘂𝗲𝘀𝗱𝗮𝘆, 𝗢𝗰𝘁𝗼𝗯𝗲𝗿 𝟮𝟰𝘁𝗵, at 𝟭𝟬:𝟬𝟬 𝗮𝗺 𝗣𝗗𝗧

👉 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗵𝗲𝗿𝗲: https://brij.guru/ai

Over the months,I've noticed how many of you have been tirelessly searching for the content and tutorials that I poured my heart into. I want every single one of you to have unrestricted access to these resources at a single place to learn and grow. With that in mind, I've decided to open source all my materials, making them freely available for the benefit of all.

However, I need a little help in doing so. I'm on the lookout for a kind soul who can assist me in creating a beautiful and user-friendly GitHub page to showcase this work. This is more than just a repository; it's a testament to our shared journey of growth and learning.

If you can help, or know someone who can, please reach out. The person should know how to host pages on Github. Let's make this knowledge easily accessible for everyone, present and future.

There is another Hands-on Free session on building AI app using React. Anyone can join and learn this art at no cost.Join me 🙋‍♂️ in this FREE hands-on session, where we'll learn the magic of building an AI app with React! 🚀✨

📅 Mark your calendar! 𝗧𝗵𝘂𝗿𝘀𝗱𝗮𝘆, 𝗢𝗰𝘁𝗼𝗯𝗲𝗿 𝟮𝟲𝘁𝗵 𝟭𝟬:𝟬𝟬𝗮𝗺 𝗣𝗗𝗧
⏰ Set that alarm!
🔗 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗻𝗼𝘄 𝘁𝗼 𝘀𝗲𝗰𝘂𝗿𝗲 𝘆𝗼𝘂𝗿 𝗙𝗥𝗘𝗘 𝘀𝗽𝗼𝘁 ➡️ https://brij.guru/ai

Here is a sneek-peek on what we are going to learn - https://www.linkedin.com/posts/brijpandeyji_ever-thought-of-building-your-own-full-stack-activity-7122938356660858883-pKpG?utm_source=share&utm_medium=member_desktop

Hey folks! 🌟 I just found this cool, free Data Engineering Bootcamp and thought it could be a big help to many of us here. It's got some awesome topics covered. Check it out at https://dezoomcamp.streamlit.app/. I think you’ll find it really useful. Happy learning! 🚀

Few resources that can elevate your understanding of AI and LLM -

1. Machine Learning Crash Course: A practical introduction to ML fundamentals, featuring interactive exercises and real-world case studies.
🔗 https://developers.google.com/machine-learning/crash-course

2. TensorFlow APIs: Whether you're a beginner or an expert, these tutorials will help you master TensorFlow's suite to build and deploy ML models.
🔗 https://www.tensorflow.org/tutorials

3. ML Practitioner Guides: For the seasoned professionals, these guides offer deep dives into solving complex ML problems effectively.
🔗 https://developers.google.com/machine-learning/guides

4. AI Explanations: Understand the workings behind AI decisions with resources focused on interpretability.
🔗 https://cloud.google.com/ai-explanations

Leverage these resources to enhance your expertise and innovate in your field. 🌐

In the IT world, knowing the ropes of Authentication and Authorization is indispensable, regardless of your focus. To aid in your mastery, I've curated a selection of top-notch, free resources. Sharpen your skills with these treasures:

🔐 Online Courses:
- "Authentication - Methods, Protocols, and Strategies" by Frontegg: https://frontegg.com/blog/authentication-types
- "Secure User Authentication Methods – 2FA, Biometric, and Passwordless Login Explained" by InfosecHQ: https://www.infosecinstitute.com/log-in/
- "Microsoft Entra ID - Authentication" by Microsoft Learn: https://learn.microsoft.com/en-us/entra/verified-id/decentralized-identifier-overview

📝 Articles:
- "Authentication: What It Is and Why It's Important" by OWASP: https://cheatsheetseries.owasp.org/cheatsheets/Authentication_Cheat_Sheet.html
- "A Beginner's Guide to Authentication and Authorization" by Auth0: https://auth0.com/docs/get-started/identity-fundamentals/authentication-and-authorization
- "Passwordless Login: What It Is and How It Works" by Okta: https://www.okta.com/resources/whitepaper-how-to-go-passwordless-with-okta/

🎥 Videos:
- "Authentication Explained" by Google Cloud Platform: https://m.youtube.com/watch?v=PAOb2hl__08
- "Multi-Factor Authentication: What It Is and Why You Need It" by Cloudflare: (https://m.youtube.com/watch?v=42iNs-v6gTw
- "Passwordless Login: The Future of Authentication?" by Auth0: https://auth0.com/resources/videos/passwordless-explainer-video


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One of the most effective ways to learn machine learning is by getting hands-on experience and building something yourself.

While finding inspiration can be challenging, exploring projects by others can open your eyes to the endless possibilities. 💡

The projects I am sharing are perfect for those new to machine learning and curious about its potential.

200+ DevOps Interview Questions

As we celebrate the luminous festival of Diwali, I am reminded of the countless lights that each of you have kindled through your dedication to learning and growth. It's not just the candles that illuminate our homes, but the spark of knowledge and ambition that brightens our paths.


In the spirit of Diwali, I want to express my deepest gratitude for your trust and engagement. Our community is not just about sharing educational content; it's about lighting up dreams and igniting passions. It's about creating a brighter future, one enlightened mind at a time.

As you celebrate this auspicious festival, take a moment to reflect on your journey so far and the paths yet to be explored. May this Diwali bring you joy, prosperity, and the courage to chase your dreams. May the light of knowledge continue to guide you in your career and beyond.

Happy Diwali to you all, and here's to continuing our journey of learning and growing together. 🪔✨