Help: ksu questions

Lee Eric openlinuxsource at
Fri Jan 7 23:13:50 EST 2011

Thanks Russ. So it looks like I don't need to leak my root password to
client users, right?


On Sat, Jan 8, 2011 at 1:52 AM, Russ Allbery <rra at> wrote:
> Lee Eric <openlinuxsource at> writes:
>> Is there any special advantage to use ksu?
> The main reason why we use ksu instead of su is because every person who
> can su to root has their own separate /root principal with a separate
> password and we want them to use those passwords instead.  In many cases,
> the set of people who know the actual root password is more limited than
> the people who can ksu (perhaps because the formula for it is shared with
> other systems those people should not be root on, for instance).
> You can do this with su and an appropriate PAM configuration, or with sudo
> and an appropriate PAM configuration, but it's fiddly and annoying and
> it's often easier to just use ksu.  Plus, you'd probably have to use my
> pam-krb5 module rather than whatever came with your system, since it would
> be extremely difficult to set this up without the aid of the alt_auth_map
> configuration option.
> --
> Russ Allbery (rra at             <>
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