Linux Lab Boot Process

This document is no longer being maintained. See the latest document.

This document is an overview of the Linux Lab boot process.

Choose Linux from boot manager

Boot kernel

Create RAM disk

Load RAM disk image

Set up client information

Linux initialization process
- system processes started/run
- configuration management
- X window system starts
- graphical login displayed

User login process

Enter user code (passwd file lookup)

Password prompt (Kerberos: if successful--ticket granted)

Mount home directory
- client contacts home directory server (clnfs0) with usercode
- clnfs0 (tilda/grave) searches passwd file for usercode's home directory
- clnfs0 (tilda/grave) returns home directory information to client
- clnfs0 (tilda/grave) exports home directory to client
- clnfs0 (tilda/grave) edits exports file
- clnfs[0-3] (tilda/grave) exports home directory to client
- client mounts usercode's home directory
- if home directory not exported yet: RPC timeout

Ready to start user programs