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Fixed WSL sshd: no hostkeys available -- exiting

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PowerMTA pmta command

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How to fix: mv: failed to preserve ownership

mv  is the wrong tool for this job; you want  cp  and then  rm . Since you're moving the file to another filesystem this is exactly what  mv  is doing behind the scenes anyway, except that  mv  is also trying to preserve file permission bits and owner/group information. This is because  mv  would preserve that information if it were moving a file within the same filesystem and  mv  tries to behave the same way in both situations. Since you don't care about the preservation of file permission bits and owner/group information, don't use that tool. Use  cp --no-preserve=mode  and  rm  instead. But if you don't care about the warning, mv actually does move the files before complaining  ownership problem.
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