Ubuntu has been using upstart for a while. The idea of upstart is to replace the old SYSV init process and the related scripts in /etc/init.d/. Basic info can be found at http://upstart.ubuntu.com/getting-started.html.
However, if you have a running system (like for myself Kubuntu Lucid Lynx 10.04 LTS) and look into /var/log/syslog you will not see what upstart has done or is doing.
Luckily your curiousity can be satisfied easily:
- During boot press and hold down the Shift key to get to the grub2 menu (if necessary). (If you have a system that has been upgraded from earlier versions it might still use grub. I believe the key used to be ESC.)
- Select your normal entry (typically the first one) and press “e” for edit
- Append the following text at the end of the exisiting linux command line (leave 1 space):
init=/sbin/init --verbose - Press Ctrl-X to boot
- Examine
/var/log/syslog. Search forinit:to find lines written by upstart.
Next time you boot the logging will be off again. Easy, isn’t it?
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In release notes of Ubuntu Raring I see that they hav a new upstart-monitor(8) tool. I sounds it might serve a similar purpose as my instructions above. Haven’t tried it yet.