Recently, I finally bothered to learn the proper way to verify checksums via command line instead of just eyeballing checksum output compared with the checksum supplied with the file. Lets
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Great discussion about passwords inside scripts
Here’s a link to a great discussion I started on Stack Exchange’s security site: How can I avoid putting the database password in a perl script? Here is the question
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How to use and understand “whois” in its many forms
The whois command line utility, available on all modern Unix and Linux variants, can be a fast, concise, and scriptable way to identify unknown and distant hosts, networks,
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