Monthly Archives: February 2018

AT&T discouraging the use of credit card, wishes you to pay via debit/checking account

For my AT&T cell phone bill, my bill payment due date is usually 15 days from the bill closing date. For example, if the bill period is 12/14 to 1/13, my payment due date would 2/2. They now changed it … Continue reading

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How to get MD5 checksum or SHA1, SHA256, SHA512 of a file on Windows

Windows comes with a built-in command to get MD5 checksum of file 1. To get MD5 certutil -hashfile <filename> MD5 2. To get sha1 certutil -hashfile <filename> SHA1 3. To get sha256 certutil -hashfile <filename> SHA256 4. To get sha512 … Continue reading

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