Mininal skills
Ralf Mardorf
ralf.mardorf at rocketmail.com
Thu Jun 4 10:40:08 UTC 2020
On Thu, 2020-06-04 at 11:19 +0100, Ottavio Caruso wrote:
> On Thu, 4 Jun 2020 at 09:39, Ralf Mardorf wrote:
> > On Thu, 4 Jun 2020 09:04:45 +0100, Ottavio Caruso wrote:
> > > Install, uninstall, break, fix, reinstall, configure.
> > ^^^^^ :D
> > I don't know what this is. Never happened to me.
> >
> > For those who "decide" to "break", first becoming familiar with backup
> > strategies might be a good idea.
>
> You missed the "do it in a VM first". If you've never broken a system
> maybe it's because you haven't tried hard.
>
> By being able to use virtualisation, one also picks other skills. I've
> learnt a lot by using qemu, setting up virtual serial consoles,
> virtual interfaces, ssh forwarding, etc. Things you can not usually do
> on bare metal.
I'm kidding ;). It's not that hard to break an install.
For example
# rm -Ir /tmp/foo/*
could easily become
# rm -Ir / tmp/foo/*
or
# rm -Ir /tmp/foo/ *
due to a human typo or failure of an aged keyboard. A prompt before
removing recursively not necessarily does prevent against continuing
with the next mistake.
More information about the freebsd-questions
mailing list