hanoo.org

About this site

Hanoo.org is a website about computers. It contains a lot of tips and tricks. Feel free to leave a comment or contact me by email if you have a better solution to a problem and I'd be happy to update it.
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Windows PowerShell basics

Some tips and tricks to get a good start with powershell.
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Send an email from the command line

How to send an email from the command line.
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Clean and secure use of printf and scanf 'C'

A small guide on how to properly use the printf function to obtain a display clean and safe.
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Java Properties configuration file

We will see here how to create and use a simple configuration file for a Java software.
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Retrieve a date with Java Swing

Here is a simple way to retrieve a date in a GUI using Swing JFormattedTextField object.
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How to generate logs in java

We will simply use the standard Java API to allow our application to generate logs.
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Get environment variables in C on linux

Different ways to retrieve environment variables in language C on linux.
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Host multiple websites on an Apache server

A small quick tutorial on how to host multiple websites on an Apache server.
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Detect and fix hard drive problems in Linux

If your hard drive has problems, you can test it using badblocks and fsck. And maybe you will be able tu use it again like before...
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The ADB utility

Android Debug Bridge, ADB few basic uses.
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The C preprocessor

The C language preprocessor can get some useful information, simplify the code, here are some examples.
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SSH cool commands

Here are some interesting uses of SSH. On the program X11 forwarding, remotely run graphical software, access internet through an ssh tunnel ...
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Run a program in a new session on linux

How to use X to retrieve the user's choice in a script.
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GUIs in Java Swing

The purpose of this article is to remember which are the main swing components and how to use it.
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Interact graphically in bash script

How to use X to retrieve the user's choice in a script.
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C and gcc optimisations

Options and compilation instructions for faster softwares execution.
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Change the greeting message in OpenBSD and GNU/Linux

How to change the greeting message in OpenBSD and GNU/Linux in a few seconds.
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Using C bits

A small overview of how to independently use bits of a byte in the 'C' language.
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Mount an ISO image in Linux

How to mount an ISO image, and access data as if the cd was in your computer.