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How to use tcpdump command on Linux

The tcpdump command can be used to capture network traffic on a Linux system. It’s a versatile command line utility that network administrators often rely on for troubleshooting.

What you’ll come to find is that the amount of networking traffic captured on an interface can be easily overwhelming. tcmpdump makes our job a little easier by allowing us to isolate only the traffic we’re interested in. Of course, in order to do this, you need to be familiar with the various flags and settings that go along with the command.

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How to change keyboard layout For Linux Debian-based distros

Changing the keyboard layout is necessary for several reasons:

  1. Different Language Input: If you’re typing in a language that uses a different script or has unique characters (e.g., Cyrillic, Arabic, Chinese), you need the appropriate keyboard layout to access those characters easily.
  2. Regional Preferences: Keyboard layouts differ between regions. For example, the U.S. and U.K. keyboards have different key placements (e.g., the position of @, "), and users may prefer to use the layout they’re accustomed to.
  3. Non-Standard Keyboards: Some keyboards are designed for specific purposes, such as ergonomic layouts (like Dvorak or Colemak) or specialized keyboards with extra function keys for coding, gaming, or design work.
  4. Accessibility: People with physical disabilities might need customized keyboard layouts or input methods to make typing easier.
  5. Consistency: If you’re using a computer with a different layout than what you’re used to (e.g., you bought a laptop in another country), switching to your familiar layout can improve productivity.
  6. Multilingual Users: Some people work in multiple languages and switch between layouts (e.g., English, French, German) to match the language they’re typing in.

Changing the keyboard layout ensures that users can type efficiently and comfortably, regardless of language or region.

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How to change the Kali Linux hostname

A hostname in Kali Linux (or any Linux system) is a unique label used to identify a device on a network. It allows the machine to be recognized and accessed via a human-readable name instead of an IP address.

Uses of a hostname:

  • Identifies your machine on a network.
  • Facilitates network communications.
  • Displays in the terminal prompt to show the active machine.
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