Saturday, December 5, 2009

Chromium OS(Chrome OS) login sequence


As you know, I'm writing an article about Chromium OS(Chrome OS) and created some material. so I posted a part of memo.

This is the login sequence of Chromium OS.



  1. Graphical login. slim is graphical login manager for chromium os.
  2. Input your google account.
  3. pam_google.so. If you don't save login cache of your google account, It has to connect network. pam_google.so is Google account authentication PAM module.
  4. pam_mount.so. mount to /home/chronos as tmpfs. so If you power down the system, user data will be removed all. "chronos" is a default user of Chromium OS. This mount is encrypted AES and SHA256 hash algolism.
  5. run chromeos-wm. It's Clutter based window manager.
  6. run chrome browser.

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