[SATLUG] Devuan

Jason Mann ron.j.mann at gmail.com
Mon Dec 1 09:35:28 CST 2014


As far as i know, slackware and gentoo are the lone holdouts from systemd.
Most other distros are derived from redhat or debian.
On Dec 1, 2014 9:19 AM, <alesmerises at satx.rr.com> wrote:

> Yeah, what he said.
>
> Seriously, thanks.
>
> So based on your explanation, using systemd really isn't an issue if
> everything is working ok and you're only doing a 'standard' installation.
> But if you need to do some customization and/or run into some start-up
> problems, using systemd could make things harder for you.  Is that about it?
>
> Also, do you know of somewhere that might list which particular distros
> use systemd or not?
>
> Al Lesmerises
>
>
> ---- Borries Demeler <demeler at biochem.uthscsa.edu> wrote:
> > Nicely explained, thanks Bruce!
> >
> > -Borries
> >
> > On Sun, Nov 30, 2014 at 11:32:50PM -0600, Bruce Dubbs wrote:
> > > Alan Lesmerises wrote:
> > > >On 11/30/2014 1:19 PM, Don Davis wrote:
> > > >>Yep. It's an important move. As a mere mortal, I'm concerned about
> the
> > > >>monolithic nature of systemd and other monolithic snowballing. I
> > > >>probably won't switch to Devuan until the summer, which will give me
> > > >>a.) time to tweak and b.) and opportunity to see whether the fork is
> > > >>being updated. On 11/30/2014 01:10 PM, Bruce Dubbs wrote:
> > > >>>Did anyone else see this? https://devuan.org/ What do you think? --
> > > >>>Bruce
> > > >
> > > >For us mere mortals (i.e., those of us that don't get into the weeds
> of
> > > >Linux), exactly what is "systemd"and what does it do? And what do you
> > > >mean by it being "monolithic"?
> > >
> > > sysvinit is the traditional process that boots the system.  The file
> > > name is /sbin/init and normally works by calling bash scripts.  From
> > > a maintenance point of view, it consists of about 10,000 lines of C
> > > code and the scripts on some distros run to another 10,000 lines.
> > >
> > > systemd consists of about 275,000 lines of code and includes the
> > > folowiong services.
> > >
> > >     cgroups support
> > >     consoled
> > >     hostnamed
> > >     journald
> > >     localed
> > >     logind
> > >     machined
> > >     networkd
> > >     resolved
> > >     shutdownd
> > >     timedated
> > >     timesyncd
> > >     udevd
> > >     libudev
> > >
> > > The problem is that you must install all of them, even if you don't
> > > want or need them.  That is why it is called monolithic.
> > >
> > > It has also influenced systems like Gnome that you can't run them
> > > without systemd, even though all those services can easily be
> > > provided by other individual programs.
> > >
> > > If there is problem at boot time, systemd can be hard to debug.
> > > It's complex.  With sysv, you just add init=/bin/bash to the kernel
> > > command line and run the scripts one at a time.
> > >
> > > systemd is a solution looking for a problem.
> > >
> > >   -- Bruce
> > >
> > > --
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