To paraphrase Mr Krizak on a different occasion, "think voluntary cooperation". 
It works
for politics as well as technical work. This is how cfengine began the notion 
of autonomy
in the first place -- at a university where everyone wanted to control their 
own box.

When you have people who need to feel in control, you give the them power to 
override and
engage them with voluntary cooperation. No one want to feel they are being 
overrun by "The
Man", but controlling everything yourself is exhausting and most people lose 
interest in
the end. You could present cfengine as something that helps them in their 
lives, reduces
their burdens, and brings order and documentation.

There are many ways to use cfengine. If I could just count the number of times 
I've read
that "Cfengine forces you to...." and cringed. Cfengine doesn't force you to do 
anything,
but admins often have poor imaginations and use it to carpet bomb their systems 
into
compliance. I tend to believe in a lighter touch - less is more. Unless you 
have mandatory
compliance issues (The Law -- did you say the Lieu?), I don't recommend 
controlling
anything that doesn't show signs of running wild. You can insert new mounts 
without
destroying old ones, for instance.

Justin, you are a skilled power-user. With great power ... ;-)

Mark

Justin Lloyd wrote:
> Hi all,
> 
>  
> 
> For those of you who are part of a team that manage a Cfengine-based
> environment, how do you prevent people from making local changes to
> things that are managed by Cfengine, thus causing local changes to get
> wiped out? For example, if Cfengine manages all NFS mounts in /etc/fstab
> on Linux systems and someone manually adds such an entry to a host which
> Cfengine later wipes out when enforcing just its specified NFS mounts.
> Things that come to mind are:
> 
>  
> 
> ·         Change Control - well-defined dept/company procedures for
> change approval, and all changes to systems should be done only through
> Cfengine policy, never locally on any system
> 
> ·         Automated Comments - have Cfengine add comment headers to
> files it manages
> 
> ·         Documentation - thoroughly and clearly comment the policy
> files and also create external documentation, such as an easily
> searchable wiki, that people can read to find out what is managed by
> Cfengine
> 
> ·         Training and Communications - teach the team what is managed
> by Cfengine and have good communications channels (email list, team
> meetings, etc.) to review when the policy is updated to manage new things
> 
>  
> 
> Let me know if you have other ideas and how well they’ve worked for you.
> 
>  
> 
> Thanks,
> 
> Justin
> 
>  
> 
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-- 
Mark Burgess

-------------------------------------------------
Professor of Network and System Administration
Oslo University College, Norway

Personal Web: http://www.iu.hio.no/~mark
Office Telf : +47 22453272
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