Holehe in Fedora Linux – OSINT Email Investigation Tool

Holehe in Fedora Linux on is an OSINT email investigation tool used in cybersecurity research, digital footprint analysis, and web security testing. It helps identify where an email address is registered across online services, making it useful for cyber threat intelligence and security analysis workflows inside a Linux environment. Holehe is useful to:

  • Check if an email is registered on multiple websites.
  • Perform OSINT (Open Source Intelligence) investigations.
  • Analyze digital footprint of an email address.
  • Identify linked online accounts for cybersecurity research.
  • Use in ethical hacking and learning environments.

Installation Commands

Update packages and install proot-distro:

apt update && apt upgrade && apt install proot-distro -y

Install Fedora Linux:

proot-distro install fedora

Login to Fedora Linux:

proot-distro login fedora

Update system packages:

dnf update -y

Install required dependencies:

dnf install python3 python3-pip -y

Install Holehe using pip3:

pip3 install holehe

Check installation:

holehe -h

Usage Commands

Holehe usage commands let you quickly run OSINT email checks in Fedora Linux, where you can verify if an email is registered on different platforms, filter results, and get detailed output for cybersecurity research, digital footprint analysis, and web security investigations using simple terminal commands.

Check email address:

holehe example@gmail.com

Show only used services:

holehe example@gmail.com --only-used

Remove colours from the results:

holehe example@gmail.com --no-color

Save results to file:

holehe example@gmail.com > result.txt

Basic Holehe Commands

Show help menu:

holehe -h

Check email:

holehe test@email.com

Filter only active accounts:

holehe test@email.com --only-used

Save result in a CSV file:

holehe test@email.com --csv
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