Lock Screen Server 12.10

[Colin Law]

On 6 February 2013 10:42, Oliver Grawert <ogra at ubuntu.com> wrote:
>> ...
>> The difference between gksu/gksudo (they're the same by default, at
>> least on Ubuntu) and pkexec is that pkexec's permissions are more
>> granular because they use polkit's rules.
>>
> sorry if the words confused anyone, gksu is not being used in any (but
> two that were just fixed in raring) apps in the default desktop install
> since a few releases already. gksu has massive probs with accessibility
> (grabs the whole screen and steals the focus, so screen readers as well
> as onscreen keyboards have issues). since all apps in the default
> desktop switched to use pkexec instead, gksu will be gone from the
> default installation with 13.04 ... if you dont want to manually install
> gksu all the time, better get used to the preinstalled pkexec ...
>
> the one disadvantage of pkexec is that unlike su/gksu it doesnt keep an
> authentication token for 10 minutes so all subsequent authentications in
> a script or app will pop up the password dialog again ...
>
> hope that clearifies it, indeed there is nothing wrong with using gksu,
> but you will have to manually install it i the future and it hasnt been
> actually used in the distro default setup for a while ...

Should I be able to do this?

$ pkexec gedit /etc/fstab
No protocol specified

** (gedit:7280): WARNING **: Could not open X display
Cannot open display:
Run '/usr/bin/gedit --help' to see a full list of available command
line options.

Colin