Hello, I've installed ROS by following the instructions, and it's installed in /opt I have the follwing problem: topo@URAL:/opt/ros/cturtle/stacks$ roscreate-pkg beginner_tutorials std_msgs rospy roscpp Traceback (most recent call last): File "/opt/ros/cturtle/ros/bin/roscreate-pkg", line 35, in roscreate.roscreatepkg.roscreatepkg_main() File "/opt/ros/cturtle/ros/tools/roscreate/src/roscreate/roscreatepkg.py", line 126, in roscreatepkg_main create_package(package, author_name(), depends, uses_roscpp=uses_roscpp, uses_rospy=uses_rospy) File "/opt/ros/cturtle/ros/tools/roscreate/src/roscreate/roscreatepkg.py", line 63, in create_package os.makedirs(p) File "/usr/lib/python2.6/os.py", line 157, in makedirs mkdir(name, mode) OSError: [Errno 13] Permission denied: '/opt/ros/cturtle/stacks/beginner_tutorials' roscreate works fine when I try it in my home directory. Permission issues? What can the possible solution be? Thanks. -- View this message in context: http://ros-users.122217.n3.nabble.com/OSError-Errno-13-Permission-denied-tp1459557p1459557.html Sent from the ROS-Users mailing list archive at Nabble.com.