E-MIEL.NET

Apache2 running multiple hosts

by admin on Feb.20, 2009, under Debian

For running multiple sites on your box, you have to do something with configuration. What I did is (in my opinion) a nice way:

create a file called /etc/apache2/conf.d/virtual.conf

include the following text:

#
# We’re running multiple virtual hosts.
#
NameVirtualHost [your IP]:80

Now you can create a file in your /etc/apache2/sites-available map called (in my case) e-miel.net with the VirtualHost tag pointing to the NameVirtualHost mentioned above:

<VirtualHost [your IP]:80>

With this no errors will be logged after restarting Apache2.

Btw, I ran into this error:

_default_ VirtualHost overlap on port 80

It seems that /etc/apache2/ports.conf also contains a “global” (don’t know for sure if that is the correct word) variable that holds the NameVirtualHost value.

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Apache2 falls asleep

by admin on Feb.18, 2009, under Debian

Though being a fulltime Microsoft .NET developer I decided to change my blogging environment from dasBlog to WordPress (on a Debian host).

After configuring the machine it seemed to work smoothly but from time to time Apache2 was not responding to any requests (though the mail server was running perfectly).

It turned out that by using <Virtualhost *> (yes, I definitely am lazy !) the problem was caused by my second not used nic. Disabling this one did the trick, the server is up and running 24/7.

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HP owns the Internet

by admin on Nov.26, 2008, under Funny

In my search for a new switch for Antares I contacted HP based upon the contact information found on their site.

It turned out that the information I found was outdated. The funny remark the telephonist made (and I quote):

“Our Internet is outdated…”.

Never knew HP has their own Internet, or do they own the Internet ?

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Managing and Versioning Client Databases

by admin on Nov.14, 2008, under TechEd 2008

Steven Lasker (Program Manager)

ClickOnce:
- overwrites the database
- previous (latest version) stored in pre map

Script:
- Generate DB on the fly
- Create & Update script

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Microsoft Visual Studio 10: Easing ASP.NET Web Deployment

by admin on Nov.14, 2008, under TechEd 2008

Vishal R. Joshi (Program Manager)

Package web applications into .zip file
Publish with ease
Transform web.config
Deploy DB’s
Deploy in Continuous Integration Model

MSDeploy (Web Package)
- Versioning zip
Roolback -> not GAC & com

Source Manifest XML
Destination Manifest XML
Pckg Install Command
Graffiti
Publish -> Multiple profiles

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Creating Location Aware Applications for Windows Mobile Devices

by admin on Nov.14, 2008, under TechEd 2008

Constanze Roman (Community PM),
Maarten Struys (Technical Mangarer PTS Software)

GPS Intermediate Driver
- Multiple applications can share the GPS hardware
- Coding Sample in SDK

Fake GPS can deliver GPS information (for testing purposes).

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Project Velocity

by admin on Nov.14, 2008, under TechEd 2008

Nithya Sampathkumar

Distributed caching

Caching reference Data
- little update
- lots of users

Caching Activity-oriented Data
- Shopping cart
- Read & write

Caching Resource-oriented Data
- eBay
- Shared Access

What is Veocity ?
- Application cache for all kinds of data
- Cache tier between the Data and the Mid tier

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Web 2.0 + WCF

by admin on Nov.13, 2008, under TechEd 2008

Aaron Skonnard (Cofounder Pluralsight)

Web 1.0 -> HTTP GET
Web 2.0 (2008)
- Content + capabilities (ie maps.google.com)
- Atom
- JSON (smaller than XML, no parsing)
- Resources are identified by URI’s
- REST is an architectural style, not a specification

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How to Review Your Code and Test for Security Bugs

by admin on Nov.13, 2008, under TechEd 2008

Michael Howard (Principal Security Program Manager)

Multipass:
- Run all available tools
- Look for patterns
- Deeper review of riskiest code

What does the bad guy control

- SQL injection issues
- Crypto issues (ie SHA512)
- Server XSS antixss library
- Integer Arithmetic issues
- Buffer overflow

Build or buy a Fuzzer

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Green Computing Through Sharing

by admin on Nov.13, 2008, under TechEd 2008

Pat Helland, Partner Architect

Expected Response Time = (Minimum Response Time / 1 - Utilization)

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