How do I make sudo "trusted"?

[Aleksey Nogin]

On 11.03.2004 07:36, Stephen Smalley wrote:

>  Hence, if you add yourself to policy/users and authorize
> yourself for staff_r and sysadm_r and reload your policy, then you
> should be able to do sudo -r sysadm_r <command>.

What is the difference between the sysadm_r and system_r? When should I 
be using

sudo -r sysadm_r

and when

sudo -r system_r -t sysadm_t

? Thanks!

-- 
Aleksey Nogin

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