International Air Transport Association - IATA

 IATA stands for International Air Transport Association. It is a trade association of the world's airlines. IATA was founded in 1945 and is headquartered in Montreal, Canada.

IATA's mission is to represent the interests of the airline industry and to promote safe, secure, and sustainable air travel. IATA does this by developing standards and regulations for the airline industry, providing training and education, and advocating for the interests of airlines with governments and other organizations.

IATA is best known for its development of the IATA airline codes. These codes are three-letter codes that are used to identify airlines. For example, the IATA code for Qatar Airways is QR. IATA airline codes are used in a variety of applications, including flight booking, baggage tracking, and airport signage.

IATA also develops standards for a variety of other aspects of the airline industry, including passenger and cargo handling, aircraft maintenance, and fuel efficiency. IATA also provides training and education to airline employees on a variety of topics, including safety, security, and customer service.

IATA is a powerful voice for the airline industry. It works with governments and other organizations to advocate for policies that are beneficial to airlines. IATA also works to promote the safe and secure operation of the global air transportation system.

Here are some of the benefits of IATA:

• Standardization: IATA develops standards for a variety of aspects of the airline industry, which helps to ensure that airlines operate in a safe and efficient manner.
• Training and education: IATA provides training and education to airline employees on a variety of topics, which helps to improve the safety and security of air travel.
• Advocacy: IATA is a powerful voice for the airline industry, and it works with governments and other organizations to advocate for policies that are beneficial to airlines.
• Research and development: IATA conducts research and development on a variety of topics related to air travel, which helps to improve the safety and efficiency of the industry.

Big data

Big data is a term used to describe the large and complex datasets that are difficult to process using traditional data processing methods. Big data is often characterized by its volume, velocity, and variety.

• Volume: Big data is often very large, with datasets that can reach petabytes or even exabytes in size.
• Velocity: Big data is often generated at high speeds, with new data being added to the dataset constantly.
• Variety: Big data can come in a variety of formats, including structured, semi-structured, and unstructured data.

Big data is becoming increasingly important as organizations collect and store more data. Big data can be used to improve decision-making, identify trends, and develop new products and services.

There are a number of challenges associated with big data, including:

• Data collection: It can be difficult and expensive to collect big data.
• Data storage: Big data requires a lot of storage space.
• Data processing: Traditional data processing methods are not able to process big data efficiently.
• Data analysis: Big data can be difficult to analyze.
• Data security: Big data is often sensitive and requires strong security measures.

Despite the challenges, big data is a powerful tool that can be used to improve businesses and organizations.

Here are some of the benefits of big data:

• Improved decision-making: Big data can be used to improve decision-making by providing organizations with insights into their customers, operations, and markets.
• Identify trends: Big data can be used to identify trends that would not be visible with traditional data analysis methods.
• Develop new products and services: Big data can be used to develop new products and services that meet the needs of customers.
• Reduce costs: Big data can be used to reduce costs by improving efficiency and identifying areas for improvement.
• Increase revenue: Big data can be used to increase revenue by targeting customers with relevant products and services.

If you are looking to take advantage of big data, I recommend that you start by understanding your needs and requirements. Once you have a good understanding of your needs, you can start to collect and analyze big data.

There are a number of resources available to help you with big data. Here are a few of them:

• The Big Data Association: The Big Data Association is a non-profit organization that provides resources and training on big data.
• The Hadoop Foundation: The Hadoop Foundation is a non-profit organization that promotes the use of Hadoop, an open-source big data platform.
• The Cloudera Academy: The Cloudera Academy is a training platform that offers courses on big data and Hadoop.
  
  

Apache Zeppelin, JupyterLab, and Polynote

Apache Zeppelin, JupyterLab, and Polynote are all interactive notebooks that allow you to write and run code, visualize data, and collaborate with others. They are all open-source and free to use.

Here is a comparison of the three notebooks:

Feature	Apache Zeppelin	JupyterLab	Polynote
Programming languages	Python, Scala, R, SQL, Hive, Pig, etc.	Python, R, Julia, Scala, JavaScript, etc.	Python, R, SQL, Scala, etc.
Visualizations	Charts, graphs, tables, images, etc.	Charts, graphs, tables, images, etc.	Charts, graphs, tables, images, etc.
Collaboration	Yes	Yes	Yes
Extensibility	Plugins	Extensions	Plugins
Community support	Large and active	Large and active	Growing

Apache Zeppelin is a web-based notebook that is designed for data scientists and engineers. It is known for its flexibility and extensibility. Zeppelin has a large number of plugins that can be used to add new features and functionality.

JupyterLab is a web-based notebook that is designed for data scientists, researchers, and educators. It is known for its ease of use and its rich feature set. JupyterLab is the successor to the popular Jupyter Notebook.

Polynote is a web-based notebook that is designed for data scientists and engineers. It is known for its speed and its ability to handle large datasets. Polynote is a newer notebook, but it is growing in popularity.

The best notebook for you will depend on your specific needs and requirements. If you are looking for a flexible and extensible notebook, Apache Zeppelin is a good choice. If you are looking for an easy-to-use notebook with a rich feature set, JupyterLab is a good choice. If you are looking for a fast notebook that can handle large datasets, Polynote is a good choice.

Here are some additional things to consider when choosing an interactive notebook:

• Your programming language: Make sure the notebook supports the programming languages you need to use.
• Your data visualization needs: Consider the types of visualizations you need to create and the features that are important to you.
• Your collaboration needs: If you need to collaborate with others, make sure the notebook supports collaboration.
• Your extensibility needs: If you need to add new features or functionality to the notebook, make sure it is extensible.
• The community support: Make sure the notebook has a large and active community that can provide support and resources.

Apache zeppelin

Overview

Application

Support

Cloudera HDP vs CDP

Overview

Difference

Support

Apache nifi

Apache NiFi is an open-source, scalable, distributed data integration platform. It is used to automate the flow of data between systems. NiFi can be used to process data in real time or in batches. It can also be used to integrate data from a variety of sources, including databases, files, and streaming data.

NiFi is a powerful tool that can be used to solve a variety of data integration problems. It is a good choice for organizations that need to process large amounts of data quickly and efficiently.

Here are some of the features of Apache NiFi:

• Scalability: NiFi is scalable and can be used to process large amounts of data.
• Distributed: NiFi is distributed and can be deployed on a cluster of machines.
• Flexibility: NiFi is flexible and can be used to process data in a variety of ways.
• Extensibility: NiFi is extensible and can be customized to meet specific needs.
• Community support: NiFi has a large and active community that provides support and resources.

If you are looking for a powerful and flexible data integration platform, Apache NiFi is a good choice.

Here are some of the use cases of Apache NiFi:

• Data ingestion: NiFi can be used to ingest data from a variety of sources, including databases, files, and streaming data.
• Data processing: NiFi can be used to process data in real time or in batches.
• Data routing: NiFi can be used to route data to different destinations, such as databases, files, and applications.
• Data transformation: NiFi can be used to transform data by changing its format or structure.
• Data enrichment: NiFi can be used to enrich data by adding additional information to it.
• Data anonymization: NiFi can be used to anonymize data by removing sensitive information from it.

If you are looking to solve a data integration problem, Apache NiFi is a good place to start.

Databricks - notebooks

Overview

Application

Support

ssh connectivity between windows and linux environments

SSH (Secure Shell) is a network protocol that allows you to securely connect to a remote computer. It is often used to connect to Linux or Unix servers from a Windows computer.

To establish an SSH connection between Windows and Linux, you need to:

1. Install an SSH client on your Windows computer. There are a number of SSH clients available, such as PuTTY and KiTTY.
2. Open the SSH client and connect to the Linux server. You will need to specify the IP address or hostname of the Linux server, as well as the username and password for the account you want to use.
3. Once you are connected, you can start using the Linux server as if you were sitting in front of it.

Here are the steps on how to connect to a Linux server from a Windows computer using PuTTY:

1. Download and install PuTTY from the PuTTY website.
2. Open PuTTY and enter the IP address or hostname of the Linux server in the Host Name (or IP address) field.
3. In the Port field, enter 22. This is the default port for SSH.
4. Click on the Open button.
5. PuTTY will prompt you for the username and password for the account you want to use. Enter the username and password and click on the Enter button.

Once you are connected, you will see a PuTTY terminal window. You can start using the Linux server as if you were sitting in front of it.

Here are some of the benefits of using SSH:

• Security: SSH is a secure protocol that encrypts all data that is transmitted between the client and the server.
• Ease of use: SSH is a relatively easy protocol to use. Once you have installed an SSH client, you can connect to a remote server with just a few clicks.
• Compatibility: SSH is a cross-platform protocol that can be used to connect to servers running Linux, Unix, and Windows.

If you need to connect to a Linux server from a Windows computer, SSH is a good option. It is a secure and easy-to-use protocol that is compatible with most operating systems.

Connecting from windows to linux

Login on the windows node

Generate a key-gen public and private key

Copy the generated public key to the linux node.

The public key is copied or appended under 

~/User.name/.ssh/authorized_keys

Items to consider:

Make sure ssh server and agent is installed and configured on both machines

Connecting from linux to windows

Login on the linux node

Generate a key-gen public and private key

Copy the generated public key to the windows node.

The public key is copied or appended under 

~/User.name/.ssh/authorized_keys

OR

ApplicationData/ssh/administrator_authorized_keys