ssh and remote sudo not hiding password

[Matt Brown]

Colin Law 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
>
>   
Use ssh keys much nicer then you don't have to have a password.

Matt