Jailbreaking
Jailbreaking is the process of exploiting a vulnerability in the iOS device which then provides the user with access to the underlying system with the highest privileges. This means that an attacker has full access to all stored data (data-at-rest), data that is sent and received (data-in-transit) and the filesystem.
When jailbreaking with Checkra1n it will automatically install usbmuxd on the host device but will not include iproxy for this reason it may be required to install libusbmuxd-tools from the apt repositories.

Jailbreaking

On Linux it is easy to Jailbreak an iOS device using Checkra1n, assuming device is running an exploitable version of iOS. The following URL is the official Checkra1n site: https://checkra.in/​
The following snippet was taken from the Checkra1n website:

On Debian-based distros (Ubuntu, Linux Mint, etc.)

The recommended installation method on Debian based systems is our APT repo. This allows for easy updates and management of the checkra1n app.

Using the repo

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echo 'deb https://assets.checkra.in/debian /' | sudo tee /etc/apt/sources.list.d/checkra1n.list
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sudo apt-key adv --fetch-keys https://assets.checkra.in/debian/archive.key
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sudo apt-get update
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sudo apt-get install checkra1n
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Cydia

Cydia is a package manager mobile app for iOS that enables a user to find and install software not authorized by Apple on jailbroken iPhones, iPads and iPod touch devices. It also refers to digital distribution platform for software on iOS accessed through Cydia software.