Unable to hibernate with Ubuntu 9.04

[Colin Law]

2009/10/10 Nils Kassube <kassube at gmx.net>:
> Phyllis Connick wrote:
>> As I have figured out the hard way, apparently the su command does
>> not increase permissions for the GNOME file browser and one can not
>> log in as root.
>
> In Ubuntu the root account is locked. For command line applications use
> sudo instead of su. If you want to run graphical applications with root
> privilege you can use the gksu command. Both sudo and gksu will ask for
> your password, not a root password. For some more details see
> <https://help.ubuntu.com/community/RootSudo>.

When I started with Ubuntu I found this free downloadable guide very
helpful with this sort of issue (permissions and so on) -
http://www.ubuntupocketguide.com/index_main.html

Colin