development

Forward data from virtual serial to a network address via TCP socket

Let’s see how to forward data from a virtual serial to a network address.   Step 1 – Choose the serial to use  It is possible to view the list of virtual serial numbers available in the system with the following command:  dmesg | grep tty    Step 2 – Socat  Socat is a very useful tool that is already …

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Tutorial RaspberryPi: models – setup – first boot – configuration in a nutshell

A quick guide to the world’s cheapest and best-known Linux-ARM platform  Models – Connections – Setup – Installation – Booting – Configuration commands – Linux commands – Tricks  Introduction  What is Raspberry Pi Raspberry Pi was conceived from the idea of creating a low-cost computer.  In particular, a card that is able to run a linux distribution with …

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Slow PC? How to check on tasks that clog system interrupt and DPC requests

If we happen to see the PC is running slowly and, by opening Task Manager, we can see that the system interrupt consumes a lot of CPU, how can we determine which driver to remove?  What it is:  In fact, the interrupt is an asynchronous request that executes a hardware component following its synchronous (execution) event.  In case of an interrupt, …

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cUrl list of the most used and pratical commands of the powerful open source networking tool

What is cUrl  cUrl is an open source object programming language, it’s very useful in web applications where a strong inter-compatibility between protocols and documents is required.    In particular, it avoids the developer having to use multiple programming languages, making  a single framework available in a series of functions combined between markup (HTML or JS) and computational languages (Java, C#, C++…).    …

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Install and configure Apache web-server on Ubuntu or Debian (RaspberryPi)

To create an Apache-based web server, using a common Ubuntu or Debian machine, proceed as follows.   1. Install Apache  sudo apt-get update  sudo apt-get install apache2  To check if it’s correctly installed, go to the site  localhost  you should find ‘It works!  2. Configuration   All configuration files can be found in  “/etc/apache2”  this can be displayed via …

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How to access shared Virtualbox folders from Ubuntu or generally from Linux

If you are using VirtualBox frequently, you will have found yourself in the situation of having to move files from the Host machine (the main system) to the Guest machine (the emulated system).   To do this, if you use Windows as Guest (in the VM), there are no problems.  In this case it will …

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Connection strings for databases, a practical list with categories

A practical list with the most used connection strings divided into categories:    Microsoft SQL Server 20xx  STANDARD SECURITY  Server=myServerAddress;Database=myDataBase;User Id=myUsername;  Password=myPassword;  TRUSTED CONNECTION  Server=myServerAddress;Database=myDataBase;Trusted_Connection=True;  CONNECTION TO AN INSTANCE  Server=myServerName\myInstanceName;Database=myDataBase;User Id=myUsername; Password=myPassword;  CONNECTION VIA IP ADDRESS  Data Source=190.190.200.100,1433;Network Library=DBMSSOCN; Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;  ASYNCHRONOUS PROCESSING  Server=myServerAddress;Database=myDataBase;Integrated Security=True; Asynchronous Processing=True;  WITH MARS (Multiple Access Result Set)  Server=myServerAddress;Database=myDataBase;Trusted_Connection=True; MultipleActiveResultSets=true; Access  STANDARD SECURITY  Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\myFolder\myAccessFile.accdb; …

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