Softminer.net

I have learned multi-layered .NET implementation on 2002 with Duwamish microsoft sample.

Duwamish 7.1 is a multitier, distributed business-to-consumer commerce application built specifically for the Microsoft .NET platform.

this is the overview of Diwamish Layers architecture:

The application can be deployed on a single machine, in a physical two-tier (Web, database) configuration, or physical three-tier (Web, application, database) configuration.

Presentation
ASP.NET Web Forms and Server Controls
ASP.NET output caching

Business Logic
Implementation in both Visual C# and Visual Basic .NET
Business facade, business rules

Data Access
ADO.NET DataSets using SQL provider

Data
Microsoft SQL Server™ 2000 database using stored procedures

here are some related links :

Three Tier Architecture in ASP.NET
Database transactions

Architecture of Duwamish

Download Duwamish

Duwamish7 (C#)

System -> Preferences -> Sessions

on the tab startup , users can easily add a start up application.

for example I like to add avant windows navigator.
the address is on user/bin/avant-windows-navigator

Here are the steps:

1. download "Mac4Lin" from + or +

2. Extract Mac4Lin

3. click on the Dock and "Delete this Panel" ( Dock is the navigation bar in Desktop footer )

4. Applications -> Add/Remove -> search for "Avant Windows Navigator" and install it

5. Applications -> Accessories -> Avant Windows Navigator

6. on Avant Dock Click on Awn-Manager -> Thema -> add and then give the download Mac4Lin thema from this address:
/Mac4Lin_Install_v1.0/Mac4Lin_Install_v1.0/AWN/

7. go to /Mac4Lin_Install_v1.0/Mac4Lin_Install_v1.0/

8. sudo sh Mac4Lin_Install_v1.0.sh

9. [Optional] change Firefox thema to Mac thema
Here are the videos to help you

when you connect your webcam to usb with lsusb you can see if it is connected or not.

There are two softwares for viewing webcam on Ubuntu.

1. Easycam2
2. camorama

usually webcam will be mapped to /dev/video0


installing webcam on ubuntu 9.1 with these steps:

sudo apt-get install gspca-source module-assistant
sudo module-assistant update
sudo m-a a-i gspca
modprobe gspca
sudo apt-get install xawtv
xawtv


PS: when I run xawtv, I got error on /dev/video0

related links
http://www.linuxjournal.com/video/get-your-webcam-working-gspca

in June 2009 yahoo has chenged some setting regarding to instant messaging and cause empathy not to work in last configuration.

if you can not login into yahoo messanger using Empathy  this would help you:

to fix the problem after creating an yahoo messenger account:

change scs.msg.yahoo.com to cn.scs.msg.yahoo.com


update: Gyachi is the other messenger for ubuntu with sound and video

Freiburg university users need to have VPN connection to connect to local university network.

university usually suggest cisco-vpn but VPNC software is more easier to install.

to install vpnc i386 on ubuntu:

1. download and install vpnc i386 from
+ or +

2. Create a config file /etc/vpnc/default.conf :
you can easily copy sample.conf to default.conf

IPSec gateway ipsec-rz.vpn.uni-freiburg.de
IPSec ID campus
IPSec secret campus
Xauth username username
Xauth password pass

3. To start the client, enter: vpnc
4. To stop the client, enter: vpnc-disconnect

These three websites have free softwares for recovering deleted data:
http://www.piriform.com/recuva
http://undelete-plus.com/
http://www.aumha.org/a/recover.php