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apache and php common tips and problems

When I deploy php application on apache, some problem come out, and solved. Here's the tips and problems solved.
0.How could I deploy an apache server armed with php, mysql, perl, and phpMyAdmin on the fly?
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import java.io.IOException;
import java.security.SecureRandom;
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import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
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