Why the GNU date produces Unix Epoch time or Julian time differently among time zones? How to resolve this “inconsistency”?

Do you know how easy to write date time calculation related shell script in Linux, if you’ve GNU date installed?

So long as you’re online to Internet, your computer system is given an IP. How do you check this Internet IP address in a second?

How to create a Favicon (website icon or favourite icon) for your blog or website?

How to embed Windows Media Player Video, i.e. WMV file, in a webpage to stream the video contents over HTTP?

How to use uuencode and uudecode to send an email with both the content and attachment in Linux system?

Is that possible to get MySQL Command-line Tool to concurrently display SQL results to screen and log file?