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标题:[zeuux-universe] Save energy with free software

2011年05月26日 星期四 10:37

Akira Urushibata afu在wta.att.ne.jp
星期四 五月 26 10:37:03 CST 2011

Bill Xu wrote (徐继哲写道):

> But how do you do this? 

> And how about Tokyo now? One of my friend in Tokyo told me there are
> many aftershocks still. Best wishes for you and your family, my friend.

These two issues are related.

I think by "do this" you mean "tell people how to save energy".

First, Tokyo now.  Life is back to normal in most ways.  But there are
many websites that give information from before the earthquake of
March 11.  The incorrect information makes people waste time and energy.
Example:

  Sendai Airport 仙台机场
  http://www.sdj-airport.com/

  The Chinese page says: 3月起飞 ... not modified for 2 months

But this was a problem from before the great earthquake.  There are
always many web pages which lead people to a store or restaurant
that is no longer in business.


If you want to save energy with your computer, you should first monitor
CPU usage, memory usage, etc.  There are tools to do this.  There is
xload for example.  More tools are described here:

  20 Linux System Monitoring Tools Every SysAdmin Should Know
  http://www.cyberciti.biz/tips/top-linux-monitoring-tools.html

So you can show xload on your computer, and see what happens when a
certain application is turned on.  Show this to a friend.

Applications that use much CPU power make your computer hot.  If your
computer is hot for a long time, parts will be damaged.  The machine
will have a short life.

Ideally, you should try to show friends the difference between Windows
and GNU/Linux, and GNU/Linux with and without the X Window system.  
Also compare applications which do the same thing.  On some desktop
computers we can tell the difference by listening to the sound of the
fan.



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