Troubleshooting boot problems

Tom H tomh0665 at
Tue Apr 20 20:15:13 UTC 2010

On Tue, Apr 20, 2010 at 3:33 PM, Patrick Goetz <pgoetz at> wrote:
>> Subject: Re: Troubleshooting boot problems
>> From: Brian Vaughan <bgvaughan at>
>> Date: Fri, 16 Apr 2010 07:53:30 -0700
>> I'd like to see a good overview of Ubuntu's startup process. I just took
>> a class on Unix/Linux system administration, and we spent quite some
>> time on system startup and shutdown -- but mostly in terms of Sys V init
>> scripts and runlevels. I'm clueless about upstart and plymouth.
> Recently I've been trying to find out if there is a canonical (no pun
> intended) way of setting up iptables firewall rules on Ubuntu.  We have
> various (some relatively complicated) iptables scripts that need to be
> migrated with newer server installs, and ufw looks too elementary.
> Besides, these scripts are already written and debugged -- I just want
> to run what we have, but in such a way as work smoothly with recent
> ubuntu releases.  Currently we have the firewall rules in a "tables"
> script in /etc/init.d and then link to it in /etc/rc2.d as per the usual
> Debian convention.

Why don't you create a .conf in /etc/init to call your iptables script
with the same start and stop stanzas as ufw.conf.?

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