Explanation | Trident

📄️ Bootloader Configuration

For installation and updating, Trident creates and modifies the bootloader of

When trident install is invoked, Trident ensures that it is running from either ramdisk or live media. This is an important safeguard and keeps Trident from overwriting the operating system that Trident is running in.

📄️ Confexts

Confexts (configuration extension images) allow users to extend the base OS filesystem

📄️ Deployment Chroot

When Trident is deploying a target OS, it will mount the target OS's file

📄️ Health Checks

Health checks have been implemented to enable customers to define whether a

📄️ Host Configuration Validation

The Trident binary can validate the syntax and structure of a Host Configuration

📄️ How Trident Consumes COSI

Trident uses a Composable Operating System Image (COSI)

📄️ How Trident Knows What to Do

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📄️ Install Flow

Install Flow

📄️ Limitations of NTFS

Background

📄️ Multiboot

Trident supports installing multiple operating systems on the same device. This

📄️ Network Configuration

Trident uses netplan to configure the network on the

📄️ Offline Initialize

To enable update, Trident requires some state related to how an existing operating system is laid out on disk.

📄️ Operations

In addition to running trident install and trident update fully to

📄️ Partition Adoption

When Trident installs or services an operating system, there are times when

📄️ Partition Size Recommendations

This document provides recommendations for partition sizes in your Trident Host

📄️ Rebuild RAID

RAID and Rebuild-RAID

📄️ Root-Verity

Root data integrity verification, or root-verity, is a specific utilization

📄️ SELinux Configuration

SELinux is an access control system on

📄️ Script Hooks

Trident allows for users to run [custom

📄️ Sysexts

Sysexts (system extension images) allow users to extend the base OS filesystem

📄️ Trident Architecture