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Embedded Linux Distribution

The goal was to develop a Linux distribution for an embedded PC with the following functionality:

• small footprint (RAM/ ROM)
• headless (no keyboard and screen)
• networking support/ remote access
• live software update
• consistent writeable file system (power-fail safe)

Result: Findings

Comparatively high effort needed (however, resulting in an optimum fit to the application and in a minimized footprint)

Detailed knowledge of the structure and function of Linux is required

Important: Which versions of the packets/ components are functioning and can be used together?

Advantages

• Full control of the system
• Simple extension with additional pakets and/ or new versions

Disadvantages

• Major effort for maintenance/ support

Technologies/ Capabilities

• Detailed knowledge of the structure and function of an embedded Linux system
• Journaling file systems
• Software update mechanisms
• Script programming