Mailinglist Archive: opensuse (2831 mails)

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Re: [SLE] SPAM: What is Runlevel B and S?
  • From: Anders Johansson <andjoh@xxxxxxxxxx>
  • Date: Tue, 18 Jul 2006 05:21:10 +0200
  • Message-id: <200607180521.10141.andjoh@xxxxxxxxxx>
On Tuesday 18 July 2006 03:07, The Nice Spider wrote:
> 1. what is runlevel B and S used for?

Runlevel B is "boot". It is for software run during the boot sequence, before
the system enters one of the "real" runlevels. You should never have to mess
with this except in very special cases

Runlevel S is "single user" mode, used for things like crash recovery.
Basically nothing should be running in this runlevel except a login program

> 2. how to enable certain service run on boot time?

A service provided by the distribution? Just highlight it and press "enable"

If you have your own service that doesn't come with a runlevel script, look
at /etc/init.d/skeleton for a template showing you how to write your own
runlevel script

Ut supra post festum sunt obscura

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