[kwlug-disc] Johnny Cash: A boy name SU

L.D. Paniak ldpaniak at fourpisolutions.com
Wed May 21 11:26:39 EDT 2014


Thanks Tim! 
A solution to one of the great unsolved (for me at least) problems of
the universe: how to cleanly save that file you have no right to save
after you have made several dozen changes.

I challenge the emacs crowd to come up with an equivalent.

On 05/21/2014 10:53 AM, Tim Laurence wrote:
> I have found
>    "sudo bash"
> gives me odd results because it uses a mix of the login and root
> environmental configurations.
>
> It find it is better to do
>   sudo su -
> because that reinitializes the environment to be a pure root one. A
> shortcut for this is
>   sudo -i
> which does the reinitialization within sudo. This can even be combined
> with -u
>    sudo -u database_user -i
> to gain access to user accounts that may have highly customized
> environments such as I have found with several database servers.
>
> One last tip for sudo. If you have ever found yourself editing  a
> config file in vi and find out, when you go to write, that you forgot
> to edit as root and the file is read only to you. Try this vi command
>     :w !sudo tee %
> That translates to write to pipe connected to sudo which in turn pipes
> to tee which is passed the original file-name as a output target.
>
> --Tim
>
>
> On Wed, May 21, 2014 at 10:35 AM, Khalid Baheyeldin <kb at 2bits.com
> <mailto:kb at 2bits.com>> wrote:
>
>     I use screen to open many shells, and in one "window", I do:
>
>     $ su -
>
>     Then enter the password
>
>     I am in a root shell in that "window" forever.
>
>     Or, if it is a machine that you are not logged into all the time,
>     just do:
>
>     $ sudo bash
>     Then enter the password
>
>
>
>
>     On Wed, May 21, 2014 at 10:20 AM, John Johnson <jvj at golden.net
>     <mailto:jvj at golden.net>> wrote:
>
>         On 2014-05-21 10:13, Khalid Baheyeldin wrote:
>
>             Is it just me or what? The su has always been in Linux
>             since forever.
>
>
>         It is me. Not you.
>
>         Many years ago I looked for SU and was advised to do all
>         'root' stuff with $ sudo.
>         I did not know about $ sudo su<ENTER> until recently.
>
>
>         JohnJ
>
>
>
>
>
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>
>
>
>
>     -- 
>     Khalid M. Baheyeldin
>     2bits.com <http://2bits.com>, Inc.
>     Fast Reliable Drupal
>     Drupal optimization, development, customization and consulting.
>     Simplicity is prerequisite for reliability. --  Edsger W.Dijkstra
>     Simplicity is the ultimate sophistication. --   Leonardo da Vinci
>     For every complex problem, there is an answer that is clear,
>     simple, and wrong." -- H.L. Mencken
>
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>
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