Monthly Archives: December 2010

2D CAD: DraftSight

Once a while one needs to draw something small. It’s better to do  it with a CAD system which can be compatible with professional CAD system like AutoCAD and others. I was using A9CAD, but I see beta version of the … Continue reading

Posted in workday | Leave a comment

Setting static IP on UBUNTU

Graphical user interface is nice, but sometimes is easy to be lost, even with simple tasks. Here is an example, how to setup static IP address 192.168.1.2:Menu:System/Preferences/Network Connections/Panel:  Wired/Auto eth0/Edit/   Connect automatically   IPv4 Settings    Method: Manual    Address: 192.168.1.2,255.255.255.0,192.168.1.1    DNS: 192.168.1.3,208.67.222.222

Posted in workday | Leave a comment

Software installation

Software installation should be easy and smooth. There are many possible options, including free installer for Windows (incl. 64 bit) INNA Setup from Jordan Russel’s software, NSIS (Nullsoft Scriptable Install System) for POSIX and 32 bit Windows. More could be found at sourceforge.net  .

Posted in workday | Leave a comment

Lasers and star models

Astronomy was long time just observational science, observing celestial bodies. Now is possible to model and study some celestial objects. Critical is understanding of behaviour hydrogen, the most common element,  and another elements  under extreme conditions, like inside of stars, planets or interstelar clouds. Extreme … Continue reading

Posted in workday | Leave a comment