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Using sudo in the Quick start section

Adding sudo to the example commands in the quick start section.

Also adding '-' as su argument in order to use
the stack user's env (home).

Change-Id: I23ab38104d05c3f4c8d48b55e66cf19dc4e4f90d

Attila Fazekas authored on 2017/02/13 23:09:35
Showing 1 changed files
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@@ -56,15 +56,15 @@ You can quickly create a separate `stack` user to run DevStack with
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 ::
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-   $ adduser stack
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+   $ sudo adduser stack
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 Since this user will be making many changes to your system, it should
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 have sudo privileges:
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 ::
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-    $ echo "stack ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
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-    $ su stack
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+    $ sudo tee <<<"stack ALL=(ALL) NOPASSWD: ALL" /etc/sudoers
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+    $ sudo su - stack
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 Download DevStack
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