IOError: [Errno 13] Permission denied: 'params.yaml'

asked 2020-04-05 22:30:44 -0500

Dean
17 ●8 ●15 ●14

updated 2020-04-06 02:49:00 -0500

gvdhoorn
86574 ●283 ●1432 ●1054 http://cor.tudelft.nl/

http://wiki.ros.org/ROS/Tutorials/Und...

$ rosparam dump params.yaml

Traceback (most recent call last):
  File "/opt/ros/melodic/bin/rosparam", line 35, in <module>
    rosparam.yamlmain()
  File "/opt/ros/melodic/lib/python2.7/dist-packages/rosparam/__init__.py", line 620, in yamlmain
    _rosparam_cmd_get_dump(command, argv)
  File "/opt/ros/melodic/lib/python2.7/dist-packages/rosparam/__init__.py", line 444, in _rosparam_cmd_get_dump
    dump_params(arg, script_resolve_name(NAME, ns), verbose=options.verbose)
  File "/opt/ros/melodic/lib/python2.7/dist-packages/rosparam/__init__.py", line 299, in dump_params
    f = open(filename, 'w')
IOError: [Errno 13] Permission denied: 'params.yaml'

Where is params.yaml? Need I create it before this command?

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answered 2020-04-05 23:49:51 -0500

Dean
17 ●8 ●15 ●14

updated 2020-04-06 02:49:42 -0500

gvdhoorn
86574 ●283 ●1432 ●1054 http://cor.tudelft.nl/

Replace <distro> with the name of your ROS distribution (e.g. indigo, jade, kinetic, lunar...):

$ sudo apt-get install ros-<distro>-rqt ros-<distro>-rqt-common-plugins ros-<distro>-turtlesim

NOTE: you may have already built rqt and turtlesim for one of the previous tutorials. If you are not sure, installing them again will not hurt anything.

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Is this an answer? Or an update?

It's unclear to me how installing rqt solves a permission problem.

gvdhoorn ( 2020-04-06 02:49:29 -0500 )edit

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answered 2023-06-07 00:55:31 -0500

ronaldgevern
1

When the current user lacks the necessary permissions to access a file or directory. To resolve this issue, you can check the file or directory permissions, ensuring that the user has appropriate read, write, or execute permissions. Verify ownership, making sure the user is the owner or belongs to a group with sufficient permissions. If accessing system files, run the program or script with administrative privileges. Check if the file is currently in use by another process and close any applications that might have it locked. Ensure that the parent directory allows write access if you are creating or modifying a file within it. Antivirus or security software can also restrict access, so temporarily disable or configure it accordingly.

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IOError: [Errno 13] Permission denied: 'params.yaml'

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