CentOS 6: Install sudo and setup sudoers to use wheel group

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Versions

CentOS 6.5

Install

Note	must be logged in as superuser

yum install sudo

1	yum install sudo

Configure

Add write access to /etc/sudoers before edit:

Shell

chmod u+w /etc/sudoers

1

chmod u+w /etc/sudoers
Edit /etc/sudoers and uncomment this line:

Default

## Allows people in group wheel to run all commands %wheel ALL=(ALL) ALL

1
2

## Allows people in group wheel to run all commands
%wheel ALL=(ALL) ALL
Remove write access otherwise sudo won’t run:

chmod u-w /etc/sudoers

1	chmod u-w /etc/sudoers

+ NOTE: user must have primary group as wheel to sudo. See CentOS 6: Change existing user group

One thought on “CentOS 6: Install sudo and setup sudoers to use wheel group”

liquidat November 14, 2013 at 7:24 am

You should not change the rights of /etc/sudoers – instead, use the program visudo. It takes care of the rights, and makes sanity checks to ensure that sudoers is not screwed up.

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