On Tue, Jul 12, 2011 at 6:31 PM, Keith Roberts <keith@xxxxxxxxxxxx> wrote:
> On Tue, 12 Jul 2011, Lamar Owen wrote:
>
>> To: CentOS mailing list <centos@xxxxxxxxxx>
>> From: Lamar Owen <lowen@xxxxxxxx>
>> Subject: Re: Centos 6 Server has no GUI
>>
>> On Tuesday, July 12, 2011 08:44:00 AM Keith Roberts wrote:
>>> How can Linux _not_ have run levels. I thought that was a
>>> central part of the design of Linux?
>>
>> No, it's a central part of the design of the old System V Init. C6, SL6, and upstream EL6 use upstart instead of SysVInit.
>>
>> EL7, if the direction of Fedora is any indication, won't have classic runlevels, but will use systemd.
>>
>> The Linux kernel knows nothing of runlevels; runlevels are userspace and have been since SysVInit was first used (and even before). All the kernel cares about is that it hands execution off to a userspace process that then takes care of further boot. That process can be /bin/sh or anything else, the kernel doesn't care.
>
> OK, thanks for pointing that out Lamar. So I take it we can
> still choose which services we want running at boot time on
> C6?
>
> Keith
>
> -----------------------------------------------------------------
>
Yes, look here: http://upstart.ubuntu.com/
--
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Rudi Ahlers
SoftDux
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