Catkin commands not found Ubuntu [closed]

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Hi Everyone, total noob here...

I've run into a problem while trying to use ROS on Ubuntu 12.04. I installed it according to the instructions on the website and the installation seemed to have gone well, but I am unable to build a catkin workspace. I tried rebooting and even installing catkin again but nothing. Terminal (over ssh to my Macbook Pro) continuously gives me the error:

administrator@ROS:~/catkin_ws/src$ catkin_init_workspace Could neither symlink nor copy file "/opt/ros/hydro/share/catkin/cmake/toplevel.cmake" to "/home/administrator/catkin_ws/src/CMakeLists.txt": - [Errno 13] Permission denied - [Errno 13] Permission denied: '/home/administrator/catkin_ws/src/CMakeLists.txt

and if I login as root and attempt, I get:

root@ROS:~# cd ~/catkin_ws/src root@ROS:~/catkin_ws/src# catkin_init_workspace catkin_init_workspace: command not found root@ROS:~/catkin_ws/src#

(ROS is the name of my Ubuntu machine).

I'm pretty sure its something really simple that I'm missing (first time with row), but any help is appreciated. Thanks in Advance! Mr_E