<p>For those not aware of it, "rm -I" gives a reasonable compromise between bare rm and "rm -i"</p>
<p>Cheers,</p>
<p>Roger</p>
<div class="gmail_quote">On Jun 14, 2014 11:59 AM, "Robert Mitchelmore" <<a href="mailto:psxrem@nottingham.ac.uk">psxrem@nottingham.ac.uk</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
This is a terrible idea, but an entertaining one.<br>
<br>
$ mkdir foo<br>
$ cd foo<br>
$ touch -- -i<br>
$ touch importantstuff<br>
$ rm -rf *<br>
remove importantstuff? n<br>
$<br>
<br>
--<br>
<br>
Rob Mitchelmore<br>
Ph.D student and Man of Many Hats<br>
Horizon Doctoral Training Centre, University of Nottingham NG8 1BB<br>
<br>
<a href="http://jamesjoycewaskorean.com" target="_blank">http://jamesjoycewaskorean.com</a> | <a href="http://twitter.com/kerastion" target="_blank">http://twitter.com/kerastion</a><br>
<br>
<br>
________________________________________<br>
From: <a href="mailto:nottingham-bounces@mailman.lug.org.uk">nottingham-bounces@mailman.lug.org.uk</a> [<a href="mailto:nottingham-bounces@mailman.lug.org.uk">nottingham-bounces@mailman.lug.org.uk</a>] On Behalf Of RICHARD SMEDLEY [<a href="mailto:smedley358@btinternet.com">smedley358@btinternet.com</a>]<br>
Sent: 13 June 2014 17:05<br>
To: Notts GNU/Linux Users Group<br>
Subject: Re: [Nottingham] *nix most dangerous command line commands...<br>
<br>
> Many moons ago, I was on a customer site logged in<br>
> as root and mistyped the cd location I wanted to go<br>
> to, then not realising I was still in the / directory, I<br>
> then typed<br>
<br>
> rm -r *<br>
<br>
> End of operating system......<br>
<br>
<br>
The classic tale of recovering from this comes from Manchester:<br>
<a href="http://www.ee.ryerson.ca:8080/~elf/hack/recovery.html" target="_blank">http://www.ee.ryerson.ca:8080/~elf/hack/recovery.html</a><br>
<br>
- Richard<br>
<br>
--<br>
@RichardSmedley<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
On 12 Jun 2014, at 12:01, Martin <<a href="mailto:martin@ml1.co.uk">martin@ml1.co.uk</a>> wrote:<br>
<br>
> OK folks,<br>
><br>
> I'll start the bits rolling with the question of how much damage can you<br>
> do to a Linux system as root with just one mistyped or missed character<br>
> on the command line?<br>
><br>
><br>
> My little gem for alarm is:<br>
><br>
> cat >>to_append_text_to_config_file<br>
><br>
> ...and using ">" create/overwrite rather than ">>" append...<br>
><br>
> !<br>
><br>
><br>
> Similarly, using "whatever_command 2>&1 | tee -a append_to_log_file" and<br>
> forgetting the "-a"...<br>
><br>
><br>
> Other good one's for "ouch" that others trip over?<br>
><br>
> Can commands be made 'defensively' 'safer'?<br>
><br>
> Cheers,<br>
> Martin<br>
><br>
> --<br>
> - ------------------ - ----------------------------------------<br>
> - Martin Lomas - OpenPGP (GPG/PGP) Public Key: 0xCEE1D3B7<br>
> - martin @ ml1 co uk - Import from hkp://<a href="http://subkeys.pgp.net" target="_blank">subkeys.pgp.net</a> or<br>
> - ------------------ - http:// ml1 .co .uk/martin_ml1_co_uk.gpg<br>
><br>
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</blockquote></div>