ssh and remote sudo not hiding password

Colin Law clanlaw at googlemail.com
Fri Nov 6 21:59:27 UTC 2009


2009/11/6 Brent Bolin <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> 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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