• This error happens because changing the permissions is not permitted. To check if your user executing the commands have the correct permissions, or your file system doesn't support it.

• You can ignore the warnings by specifying the additional arguments to rsync to --no-perms and -O (--omit-dir-times) to avoid trying to set permissions and modification times on files/directories. This should solve the errors. Alternatively, OR using -a.

rsync -ahv --no-o --no-g target/ destination/

When you encounter "rsync: failed to set permissions on" errors while using the -a option to preserve permissions with rsync, it is likely due to permission issues on the destination system. Here are some steps you can take to solve this problem: geometry dash

Check Destination Permissions: Make sure that the user running the rsync command has the necessary permissions on the destination system to set permissions on the files and directories being copied. Ensure that the user has write access to the destination directory.

Use Sudo: If you need elevated permissions to set permissions on the destination, you can use sudo with the rsync command. For example:

sudo rsync -a source/ destination/
Verify Ownership: Ensure that the user running the rsync command has ownership of the destination directory or has appropriate permissions to modify it.

Update rsync Version: Make sure you are using an up-to-date version of rsync, as newer versions may have bug fixes and improvements related to permission handling.

Check System Logs: Review system logs to identify any specific permission-related issues that may be causing the errors.

By following these steps and addressing any permission-related issues on the destination system, you should be able to resolve the "rsync: failed to set permissions on" errors when using the -a option.