[ubuntu] Remmina remote desktop tool

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http://ubuntuforums.org – Hey guys. Was wondering if I could get some help please? I have been playing with FreeNX and installed openssh however it seems to have provided an issue for me. If I click on the new connection button it will open the dialogue but pops up with the following warning... This did not happen until I installed open ssh. I'm sure it's a case of adding remmina to ssh to enable permissions but not sure how to do this. Truly grateful for any help received! (Hardware)