Fix permission issue during installation

[k26pl]

Reason for the change sudo cat will run only cat as root, and fail do create the file Description

Code examples

Checklist

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References

[srh]

Thanks for the note and PR, but why do you have -a on the tee command?

[srh]

I decided to remove the -a and merge the PR. Thanks again. (If that decision is wrong for some reason, my apologies, and I'll fix it.)