GNU/Linux Debian Bookworm Installing Insomnia – QuickStart Guide
Hi! The Tutorial shows you Step-by-Step How to Download and Install Insomnia in Debian Bookworm 12 64-bit GNU/Linux Desktop.
And Insomnia for Debian Bookworm is a Simple, Beautiful, and Free REST API HTTP and GraphQL Client.
Discover the key features that make Insomnia an essential tool for developers.
- REST & GraphQL support: Easily test and debug APIs with both REST and GraphQL endpoints.
- Environment variables: Manage multiple environments for seamless switching.
- Request chaining: Automate workflows by linking requests together.
- Code generation: Generate client code snippets in multiple languages.
- Response viewer: Visualize responses with syntax highlighting and formatting.
- Plugins & customization: Extend functionality with community plugins.
- Cross-platform: Available on Linux Mint, Windows, and macOS.
Finally, this guide includes detailed instructions about to Getting-Started with Insomnia on Debian.

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1. Launching Shell Emulator
Open a Terminal window
(Press “Enter” to Execute Commands).
2. Setting Up Flatpak
How to Install Flatpak on Debian Bookworm
First, check if it’s already there with:which flatpak
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