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How to Switch from Local user to root user from a shell script?

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# 1  
Old 02-02-2016
How to Switch from Local user to root user from a shell script?
Hi,

I need to switch from local user to root user in a shell script.
I need to make it automated so that it doesn't prompt for the root password.

I heard the su command will do that work but it prompt for the password.
and also can someone tell me whether su command spawns a new shell or runs in the same shell as parent script?
# 2  
Old 02-02-2016
You can configure "sudo" to execute commands without password (see NOPASSWD option). Man sudo, sudoers.

If you're on something other than Linux, you might have to install a sudo package. Most Linux distros include it in almost all config variations.
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