[CentOS] How to start a script to complete configuration

[Oscar Osta Pueyo]

Hello,
I think you can use anaconda for this task, you can configure some actions
after the installation.

Best regards,

El dt, 8 nov 2016 a les 18:44 Leon Fauster <leonfauster at googlemail.com> va
escriure:

> Am 08.11.2016 um 16:47 schrieb cpolish at surewest.net:
> > On 2016-11-07 14:35, Bernard Fay wrote:
> >> Hi,
> >>
> >> We have a virtual environment based on XenServer. In this environment I
> >> defined a template for CentOS 7 servers.
> >>
> >> I would like to start a script a boot time to complete the
> configuration of
> >> new VMs based on this template. How can I have a script started before
> any
> >> login prompt to ask question to the user to complete the configuration
> such
> >> as hostname, IP address, etc?
> >
> > Hi Bernard,
> >
> > My first impulse was "don't!", and that's probably the best
> > advise.  A popular model is that the "firstboot" package takes
> > care of this at the first user login, and *nix systems sort of
> > depend on this "logged in users do stuff" model.
> >
> > Even better, use ansible, cfengine, chef, or puppet to automate
> > the task of setting things up. This is the _best_ solution and
> > you will eventually come back to it.
> >
> > But, the darker, cynical part of my brain, the part that says
> > "what, you're cutting down on coffee?" part, said "sure you
> > can". Here's how it _could_ be done.
> >
> > DON'T DO THIS. TURN BACK NOW.
> >
> >    Replace /sbin/init with a shell script that does what you want.
> >    It will be the first userland process started, have the console
> >    for I/O, and run as root. At completion, restore the original
> >    /sbin/init and reboot. Leave no traces behind. Do not document
> >    your awful hack, others will use your words against you.
>
>
>
> :-) ... kernel parameter init=/root/yourscript
>
> https://www.kernel.org/doc/Documentation/kernel-parameters.txt
>
> --
> LF
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>