Looking for a comprehensive guide to how (K)Ubuntu starts

[Duane Whitty]

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On 16-08-14 01:44 PM, Duane Whitty wrote:
> 
> On 16-08-14 01:26 PM, Ralf Mardorf wrote:
>> Hi,
> 
>> do yourself a favour and don't waste your time with learning to 
>> understand how your Upstart based install works.
> 
> I agree.  I started to switch my openvpn config to use upstart and
> it didn't gain me anything.  It was very confusing however
> separating it from the rc.d system, which btw seems to work "pretty
> good".  I can use invoke-rc.d service action which is quite helpful
> though I scratched my head for a while figuring out what files to
> edit.
> 
>> With Ubuntu 15.04 the default init system became systemd, before 
>> that it was Upstart. While both are able to use SysV init
>> scripts, it's not worth learning all that runlevel stuff
>> anymore.
> 
>> Some distros don't need 
>> https://www.freedesktop.org/software/systemd/man/systemd-sysv-generat
o
>
>> 
r.html
> 
> 
> 
> 
> IOW they completely got rid of this "hybrid" approach.
> 
>> What is "Kubuntu 14" for? Most likely it's not 14.10, but 14.04.x
>>  LTS. If so, search the Ubuntu Wiki and help pages regarding 
>> informations about do-release-upgrade and upgrade to the latest
>> LTS release, that by default does use systemd. Don't care about
>> the SysV init scripts that are still used, too, just care about
>> systemd and try to learn how this works.
> 
> I am running 14.04.4 LTS but have been considering upgrading to 16
> for the systemd stuff and some possibly upgraded crypto libs though
> I haven't checked on that.
> 
>> Assuming you are still on 14.10, you perhaps could do a release 
>> upgrade by more than one step.
> 
>> Regards, Ralf
> 
> 
> 
> Thanks for your reply.
> 
> How does 16 do its startup?  Does systemd do an ordering of
> services so that you can specify dependencies?  I like the idea
> that the "hybrid" approach is deco'd in 16.
> 
> Does 16 still have a "hybrid" networking config approach?
> 
> Best Regards, Duane
> 
> 

A small correction: I am using 14.04.1 not 14.04.4

Best Regards,
Duane

- -- 
Duane Whitty
duane at nofroth.com
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