I'm trying to run the command, chown -R apache:apache xyz But I'm getting error, chown: apache:apache': invalid user

Then I tried for the user www-data, but with same results.

Then I tried to check who owns the apache process by running, ps -Af |grep httpd. I get the following,

root     29577     1  0 18:00 ?        00:00:00 /opt/lampp/bin/httpd -k start -DSSL -DPHP5
nobody   29754 29577  0 18:00 ?        00:00:00 /opt/lampp/bin/httpd -k start -DSSL -DPHP5
nobody   29756 29577  0 18:00 ?        00:00:00 /opt/lampp/bin/httpd -k start -DSSL -DPHP5
nobody   29757 29577  0 18:00 ?        00:00:00 /opt/lampp/bin/httpd -k start -DSSL -DPHP5
nobody   29758 29577  0 18:00 ?        00:00:00 /opt/lampp/bin/httpd -k start -DSSL -DPHP5
nobody   29759 29577  0 18:00 ?        00:00:00 /opt/lampp/bin/httpd -k start -DSSL -DPHP5
nobody   29760 29577  0 18:00 ?        00:00:00 /opt/lampp/bin/httpd -k start -DSSL -DPHP5
root     29785 29358  0 18:04 pts/0    00:00:00 grep httpd

So, where is the apache user?

Thanks.

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