Essays about various things

Running FreeBSD on IBM Thinkpad 570
Modern BSD Unix on six year old notebook

Methodology of software licensing and copy protection (in Russian, KOI8-R)
How to produce serial numbers which cannot be generated by crackers

Security enhancement proposal for FTP protocol authentication
Is FTP protocol secure? How to avoid exposing plaintext passwords?

Shared libraries in Linux: growing pains or fundamental problem?
My recent thoughts and experience with one Linux problem which is becoming essential: incompatibilities between shared libraries in the different Linux versions/distributions.

The browser war, or What server logs are telling us
This little study shows what can be extracted from web server logfiles

My story about infamous `signal 11'
What happens when hardware is bad

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