Category Archives: Thoughts

All posts that reflect on personal thought

Fail2ban is your friend

For over 20 years, I’ve been running public servers on the web. With the exception of the first year, the operating systems of the servers have always been some Linux variants (Linux is 25 years old right now). Currently my server runs Ubuntu 12.04 LTS with Plesk as a server administration software. It’s a basic […]

Virtual Private Network (VPN) as a safety belt

While my daughter was working on a school project, she was looking for a fully searchable text of “Animal Farm” from George Orwell and found it on the Australian web site Project Gutenberg Australia. The offer was legal, but had she downloaded the text, she would have committed a serious crime, a copyright violation. Two […]

Geometry for kids

One of our girls visits the 7th grade (13 years, secondary school) right now. In geometry, they are talking about the congruence rules for triangles and triangles in general. Yesterday’s homework included a geometrical problem: construct the space diagonal of a cube geometrically and specify its length (side length of the cube is 5.3cm). While […]

Microsoft is terrified

Linux continues to penetrate their markets. Other Open Source projects do it on the Windows platform as well. It’s not the current situation but the trend that worries them. And they don’t seem to have a working strategy against it. Immediately after the recent Novell/Microsoft deal, that included a patent covenant, Steve Ballmer said something […]