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Showing posts from 2014

DKIM Signing for postfix mail server Ubuntu Server 12.04

DomainKeys Identified Mail (DKIM)Lets an organization take responsibility for a message that is in transit. The organization is a handler of the message, either as its originator or as an intermediary. Their reputation is the basis for evaluating whether to trust the message for further handling, such as delivery. Technically DKIM provides a method for validating a domain name identity that is associated with a message through cryptographic authentication.
In essence, it will help you to avoid going your mail into spam. Follow each steps remember to change example.com with your domain.
And selector with your selector(ie, any text).
1.Login to root and install opendkimsudo su sudo apt-get install opendkim opendkim-tools 2.Making directory and generating keysmkdir /etc/opendkim/ cd /etc/opendkim -s means selector so change the word after it we have to chose a selector, here selector
-d means domain so change the word after it as our need,here example.com
opendkim-genkey -s selec…

Making colorful PDFs from web pages

This article show how to print the web pages into pdf.




Press Ctrl + P after completely loading the page.

Chrome
In Google Chrome select Save as PDF, set Margins: None and tick Background colors and images.


Now press Save button and give the filename. This is gives best pdf on my experience.

Firefox
For Firefox, in windows, you may not get print to pdf options by default. So you have to install either PDFCreator or PrismoPDF.

After pressing Ctrl + P

You get  a window, shown below, from which you have to select Printer Name ( PDFCreator here)
You can make sure it is color by clicking in Properties in the above windows

Now press ok. Then get another windows in which you have to select Save.

If you like you can also try changing options in the above figure.

Playing Android Games, Running APK in Windows 7,XP etc.

First you need to install Bluestacks


Bluestacks Download

After downloading this file you have to run the file to complete the installation process.

You need Internet connection to complete the above step

After installation is done you can install almost any apps from PlayStore, or 1mobile.


Also if you have apk file then you can install by double clicking it (No internet needed).


You can access apps from Apps shortcut  in the Desktop.

NB:- You need atleast 2GB to run this app

AndroVMPlayer : Improved Android Virtual Machine

AnrdoVMPlayer
AndroiVMPlayer is built on on VirtualBox it provides a performance increase to our installed Android (AndroVM's built in Android Virtual Machine, see Official Page )

What you want to do is just install Android as i mentioned in the post (AndroVM).

Just extract the zip file into a place where you like. (Zip 32-bit, Zip 64-bit Download appropriate version for your operating System).

Right click on AndroiVMPlayer.exe , then from the menu, Send To > Desktop (Create Shortcut) .

Now on Desktop there will be a icon







 Running the AndroVMPlayer Now right click on it and Run it as Admin