Install Wireshark latest version on Ubuntu

Install Wireshark latest version on Ubuntu:

 What is Wireshark?

Wireshark is a powerful, open-source network protocol analyzer that provides detailed insights into the data traversing a network. It allows users to capture and examine packets of data transmitted over a network in real-time or from a saved file. This capability makes it an invaluable tool for network administrators, cybersecurity professionals, and developers who need to troubleshoot network issues, analyze performance, or investigate security incidents.

Here’s what sets Wireshark apart:

1. Deep Packet Inspection: Wireshark dissects and analyzes the contents of network packets at a granular level, showing details like headers, payloads, and protocols used.

2. Live and Offline Analysis: Users can capture network traffic live or analyze previously recorded data, providing flexibility depending on the situation.

3. Protocol Decoding: It supports a wide array of network protocols and can decode and display information in a human-readable format, which is crucial for understanding complex communication exchanges.

4. Customizable Filters: Wireshark offers powerful filtering options that allow users to focus on specific types of traffic or particular issues, streamlining the analysis process.

5. Rich Visualization: It includes graphical tools such as flow graphs and protocol hierarchies that help visualize network traffic patterns and relationships.

6. Extensive Community Support: Being open-source, Wireshark benefits from contributions and support from a global community of users and developers, which continuously enhances its features and capabilities.

There are several version available of Wireshark. here some basic/dependent software packages are required to install before going to install Wireshark latest version.

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Version: wireshark-4.0.6.

 Below Dependency are required for installation:

$sudo apt install qttools5-dev qttools5-dev-tools libqt5svg5-dev qtmultimedia5-dev build-essential automake autoconf libgtk2.0-dev libglib2.0-dev flex bison libpcap-dev libgcrypt20-dev cmake libc-ares-dev -y

If Cmake is not installed:

$ sudo apt-get install cmake 

1.    mkdir Wireshark
2.    cd Wireshark
3.    wget https://2.na.dl.wireshark.org/src/all-versions/wireshark-4.0.6.tar.xz
4.    tar -xvf wireshark-4.0.6.tar.xz
5.    cd wireshark-4.0.6/
6.    cmake .
7.    make ; make install
8.    wireshark -version
9.    Place the dissector at below path:
      /usr/local/lib/wireshark/plugins/4.0/epan

Kubernetes: Short guide for Kubernetes(k8s)

Kubernetes: short guide for Kubernetes(k8s)

Introduction:

• Begin with a relatable scenario: Imagine you're running a busy restaurant with multiple chefs cooking different dishes. You need someone to manage it all seamlessly. That's where Kubernetes comes in!

What is Kubernetes?

• Kubernetes is like your restaurant manager for software. It helps manage and organize containers, which are like individual dishes in our restaurant analogy. Containers are packages of software that can run consistently anywhere, from your laptop to a data center.

Why Kubernetes Matters:

• Explain the need for Kubernetes by likening it to the chaos that can ensue in a busy kitchen without a manager. Kubernetes brings order to the chaos of running applications.

Key Concepts:

• Pods: Pods are like small trays where dishes (containers) are placed. They can hold one or more containers that work closely together.

• Services: Think of services as waiters. They help route customer (user) requests to the right dish (container).
• ReplicaSets: These are like having multiple identical dishes of the same item on your menu. If one runs out, you still have more to serve.
• Deployments: Deployments are instructions on how many of each dish (replica) you want. If you want 5 pizzas at all times, deployments make it happen.
• Nodes: Nodes are the physical servers or virtual machines where your restaurant (Kubernetes cluster) operates.
• Clusters: Clusters are a group of nodes that work together, just like a chain of restaurants under the same brand.

How Kubernetes Works:

• Explain that Kubernetes has a central "brain" called the control plane (our head chef). It communicates with worker nodes (kitchen stations) to ensure that containers (dishes) are running as needed.

Kubernetes Architecture:

• Describe the control plane (head chef's office) with its components like the API server (communicator), etcd (memory), and more.
• Worker nodes (kitchen stations) host containers and include components like kubelet (station chef) and kube-proxy (order taker).

Benefits of Kubernetes:

• Showcase the benefits: Kubernetes ensures your dishes (containers) are served quickly, consistently, and can handle many orders (scalability). It also fixes issues automatically (self-healing).

Use Cases:

• Provide real-world examples: Imagine a popular food delivery app or a large e-commerce website. They use Kubernetes to manage their many containers efficiently.

Kubernetes Ecosystem:

• Mention related tools (like Helm for recipes or Prometheus for quality control) as part of Kubernetes' extended family.

Challenges and Considerations:

• Discuss challenges like a learning curve (like training your chefs) and resource requirements (you need good kitchen equipment).

Getting Started with Kubernetes:

• Offer a simple guide to start learning Kubernetes, including online courses and interactive tutorials.

Kubernetes in the Future:

• Discuss upcoming trends: Kubernetes is constantly evolving, and it's like adding new dishes to your menu. Future trends might include better security features or even more automation.