[ale] Stoopid Noobs

[Christopher Fowler]

I mixed up -x with -t in tar and restored a SCO backup into / of an AIX
system.


On Thu, 2006-06-15 at 22:25 -0400, H. A. Story wrote:
> Used  dd once wrong and have been scared ever since. 
> 
> Figured out the hard way that the tar and paths within the tar file are 
> not the same in SCO and Linux.
> 
> Sorry I had to bring the 3 letters into the mix.
> 
> Adrin
> 
> James P. Kinney III wrote:
> 
> >In a production environment on the master login authentication machine
> >adding a new user required manually editing the passwd file to set up
> >the TACACS connection port (this was at HP). So I did a:
> >sudo cp /etc/passwd /etc/passwd.new
> >sudo vi /etc/passwd.new
> >sudo mv /etc/passwd /etc/passwd.BAK && mv /etc/passwd.new /etc/passwd
> >
> >and promptly discovered that the sudo command on HPUX doesn't cache an
> >authentication cookie and expiration time, it caches the password as
> >suddenly no one could log in because there was no /etc/passwd file.
> >
> >Luckily, someone else did have a root shell open on that machine. But it
> >did take nearly 40 minutes to find them.
> >
> >On Thu, 2006-06-15 at 20:57 -0400, Byron A Jeff wrote:
> >  
> >
> >>On Thu, Jun 15, 2006 at 08:14:10PM -0400, Christopher Fowler wrote:
> >>    
> >>
> >>>Lets get another thread going.
> >>>
> >>>When I first did Linux in the early 90s I needed to copy a file from
> >>>Linux to Windows.  /dev/hda1 was Windows partition.  Here is how I did
> >>>it:
> >>>
> >>>cat file > /dev/hda1
> >>>      
> >>>
> >>Ouch.
> >>
> >>    
> >>
> >>>My next step was to reinstall Win 3.11 and then load my backup off of
> >>>floppy tape.  Never tried that again.
> >>>      
> >>>
> >>Now the post mortem. The stupidity was not in trying to copy the file.
> >>The stupidity was in the fact that it succeeded. So that means you had
> >>to be logged in a root.
> >>
> >>Yet another reason to take care doing root activities.
> >>
> >>I have mine of course. Try the difference between
> >>
> >>rm -rf / tmp
> >>
> >>and the intended
> >>
> >>rm -rf /tmp
> >>
> >>That one required a reinstall too. Ouch. Even worse I thought I knew
> >>what I was doing so I was root on purpose, not out of ignorance.
> >>
> >>BAJ
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> >>    
> >>
> >>------------------------------------------------------------------------
> >>
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> 
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