ssh and remote sudo not hiding password

[Colin Law]

2009/11/6 Matt Brown <mbrown7776 at gmail.com>:
> Change sudo to NOPASSWD
>
> You can get dangerous with sudo...

I see that I can do that, but I don't like it.  It is not entering the
password that is the problem, it is that the pwd is not hidden when I
type it.

Colin

>
> Matt
>
> Brent Bolin wrote:
>>
>> Think there is also an option in sudo to not prompt for passwd
>>
>> On Fri, Nov 6, 2009 at 4:03 PM, Brent Bolin <brent.bolin at gmail.com
>> <mailto:brent.bolin at gmail.com>> wrote:
>>
>>    As root
>>
>>
>>    On Fri, Nov 6, 2009 at 3:59 PM, Colin Law <clanlaw at googlemail.com
>>    <mailto:clanlaw at googlemail.com>> wrote:
>>
>>        2009/11/6 Brent Bolin <brent.bolin at gmail.com
>>        <mailto:brent.bolin at gmail.com>>:
>>        > Use ssh keys
>>
>>        If I understand you correctly you mean that I should use keys to
>>        prevent the necessity for entering the password at all.  In fact I
>>        already do this.  The password is not for the ssh connection
>>        but for
>>        the sudo shutdown command.  How can I use ssh keys to prevent
>>        having
>>        to enter pwd for sudo?
>>
>>        Colin
>>
>>        >
>>        > On Fri, Nov 6, 2009 at 3:46 PM, Colin Law
>>        <clanlaw at googlemail.com <mailto:clanlaw at googlemail.com>> wrote:
>>        >>
>>        >> I can shut down a remote machine by connecting via ssh then
>>        shutting it
>>        >> down
>>        >> ssh ip_address
>>        >> <logon messages>
>>        >> sudo shutdown -h now
>>        >> password: (entered pwd not visible)
>>        >>
>>        >> and the remote machine shuts down.
>>        >> To save typing (and brain power) I wrote a script on local
>>        machine
>>        >> ssh ip_addr sudo shutdown -h now
>>        >> When I run the script it works as expected and shuts down
>>        the remote
>>        >> machine, but when it prompts me for the password (for the sudo
>>        >> shutdown), the password I type is not hidden but is visible
>>        on screen,
>>        >> which is not good.  I am sure there is a way round this but
>>        I have not
>>        >> managed to find it.  Any help will be much appreciated.
>>        >>
>>        >> Colin
>>        >>
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>>
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