Amp Up Your Multimedia Experience On Debian 9 Stretch Linux

Debian is the universal operating system, but sometimes, it doesn’t feel all that universal out of the box. For people looking for a top-notch multimedia experience, Debian might not seem like the best choice because of its free software policies, but it can actually be made into a multimedia powerhouse. Debian Stretch, when combined with … Leggi tutto

PostgreSQL performance tuning for faster query execution

PostgreSQL is a reliable open source database available in many modern distribution’s repository. The ease of use, the ability to use extensions and the stability it provides all add to it’s popularity. While providing the base functionality, like answering to SQL queries, store inserted data consistently, handling transactions, etc. most mature database solutions provide tools … Leggi tutto

Install and Use The Signal Encrypted Messenger App

Do you wish there was a more secure option for sending text messages and even making calls from your phone? Wouldn’t it be great if that option utilized end-to-end encryption to ensure that your communications were entirely protected? Well, that option exists in the form of Signal. Signal is an open source app that supports … Leggi tutto

Share Files Securely With Onionshare

Sharing files can be a pain. The larger the file is, the more difficulty it inevitably creates. If you want those files kept private, you’re in for a real nightmare. Well, not exactly. Onionshare is a relatively new applicaton that allows you to share files of any size securely and relatively anonymously over the Tor … Leggi tutto

How to create a hot standby with PostgreSQL

PostgreSQL is an open source RDBMS (Relational DataBase Management System), and with any databases, the need may arise to scale and provide HA (High Availability). A single system providing a service is always a possible single point of failure – and even with virtual systems, there may be a time when you can’t add more … Leggi tutto

HyperPixel 4.0 review

It was only last year that we reviewed the 3.5-inch HyperPixel from Pimoroni, itself a fantastic touchscreen offering great pixel density in a diminutive, Pi-sized form factor. This new, bigger HyperPixel model keeps the same high-quality parts but gives you more screen real estate to work on.

Asus Tinker Board – An Inexpensive Home Theatre Solution

The computer has a respectable 1.8GHz ARM Cortex-A17 quad-core processor. It’s only 32-bit (unlike the Raspberry Pi 3) but it has a higher clock speed. The Tinker Board also sports an integrated ARM-based Mali-T760 graphics processor (GPU). Before we explore the apps, there is a leitmotif. The multimedia experience on Android is not perfect with … Leggi tutto

Asus Tinker Board

Tinker Board is a Single Board Computer (SBC) in an ultra-small form factor that offers class-leading performance while leveraging outstanding mechanical compatibility. With its powerful and modern quad-core ARM-based processor — the Rockchip RK3288 — Tinker Board offers significantly improved performance versus other popular SBC boards. To provide the flexibility needed for different builds and … Leggi tutto

Audio-Netzwerkplayer selbstgebaut

Ich bin ein Vertreter der 70er Generation, daher habe ich den Wandel der Tonträger erlebt und mitgemacht. Von den Vinyl-Scheiben in meiner Kindheit angefangen, habe ich mich als heranwachsender Teenager mit der “compact cassette” angefreundet und mit der CD als Musik-Medium lange glücklich gelebt. Und wenn ich kein Album komplett hören wollte, dann kam das … Leggi tutto

Qualcomm, Netgear Team for Mesh Wi-FI Smart Speaker

This could be the start of a trend that may accelerate in the 5G era, as the symmetrical distribution of wireless connectivity becomes key to delivering cognitive smart office and home experiences.Qualcomm and Netgear on Aug. 30 introduced a new voice-activated smart-speaker device, called Netgear Orbi Voice, that is similar to Alexa, Siri and Google … Leggi tutto

Wi-Fi EasyMesh

Wi-Fi CERTIFIED EasyMesh™ brings a standards-based approach to Wi-Fi networks that utilize multiple access points (APs), combining the benefits of easy to use, self-adapting Wi-Fi with greater flexibility in device choice that comes with interoperable Wi-Fi CERTIFIED™ devices. Wi-Fi EasyMesh™ networks employ multiple access points that work together to form a unified network that provides … Leggi tutto

A standard for Wi-Fi mesh networking is an industry win

Have you ever wondered how Wi-Fi systems connect smartphones, printers, smart thermostats, or gaming consoles with relative ease? Or how despite all the variation and diversity inherent to connectivity technologies, things somehow, magically, just work? In large part, it’s thanks to industry standards created and managed by industry groups like the Wi-Fi Alliance and many … Leggi tutto

Easy way to integrate Apache with modsecurity on Ubuntu

ModSecurity WAF (Web Application Firewall ) is an open source software firewall that is used to safeguard applications from attacks & unauthorised access. ModSecurity WAF can be used as a module with already installed Apache web server or also with Nginx server or IIS. It continuously checks the incoming traffic & performs real time analysis … Leggi tutto

How Canonical Is Improving Ubuntu Linux Security

Cryptojacking attacks have been increasingly prevalent in 2018, even finding their way into the Ubuntu Linux software center. Mark Shuttleworth, the founder of Canonical and Ubuntu Linux, isn’t too worried, though, as he has multiple technologies in place to mitigate risk.

How to Install KVM and Manage Virtual Machines in Ubuntu 18.04

KVM or Kernel-Based Virtual Machine provides a virtual environment used for running one or more additional operating systems besides the primary system without interfering with its functions. In KVM, the Linux Kernel makes use of the virtualization technology by utilizing your existing system and hardware resources. The new virtual environment created by KVM can be … Leggi tutto

Python Natural Language Processing Tools

Natural language processing (NLP) is an exciting field of computer science, artificial intelligence, and computational linguistics concerned with the interactions between computers and human (natural) languages. It includes word and sentence tokenization, text classification and sentiment analysis, spelling correction, information extraction, parsing, meaning extraction, and question answering. Python Natural Language Processing Tools spaCy Industrial strength … Leggi tutto

Linux 4.19-rc1

So two weeks have passed, and the merge window for 4.19 is over. This was a fairly frustrating merge window, artly because 4.19 looks to be a pretty big release (no single reason), and partly just due to random noise. We had the L1TF hw vulnerability disclosure early in the merge window, which just added … Leggi tutto

Playonlinux 4.2.12

Playonlinux 4.2.12 con Ubuntu 18.04 Desktop 64, nell’assetto di  default Gnome con Xorg, funziona bene. Sono disponibili le versioni di WineHQ fino alla 3.14, sia a 32 che 64 bit . What’s new in this release: Support for DXTn texture decompression. Deferral support for MSI install actions. Support for Japanese keyboard in DirectInput. More improvements … Leggi tutto

ReactOS Daily Build Bootcd 0.4.11

ReactOS 0.4.11 Daily Build, con Oracle VirtualBox 5.2.10 OSE  in Ubuntu 18.04 Desktop 64, nell’assetto di  default Gnome e Xorg, è quasi utilizzabile nel contesto quotidiano. E’ possibile scegliere tra il tipo partizione FAT o BTRFS, che costituisce una vera novità. BTRFS nei primi test funziona. L’installazione delle Oracle Guest Box Additions si blocca. I … Leggi tutto

Scaling PostgreSQL with PgBouncer: You May Need a Connection Pooler Sooner Than You Expect

As PostgreSQL based applications scale, the need to implement connection pooling can become apparent sooner than you might expect. Since, PostgreSQL to date has no built-in connection pool handler, in this post I’ll explore some of the options for implementing connection pooling. In doing so, we’ll take a look at some of the implications for … Leggi tutto

Western Digital WD Gold

Il disco fisso, sia per i Computer utilizzati come Server che per quelli ad uso Desktop, sono fondamentali in termini di sicurezza  e di prestazioni. La linea Western Digital WD Gold permette di allestire Sistemi Server di qualità.   Ci si chiede perché non adottarli anche per i Computer Desktop? In termini di costi ormai … Leggi tutto

Grove – Seeed Studio

Revisione 0.01. L’ Azienda  Seeed Studio ha introdotto il suo standard, denominato Grove, per Shield, Attuatori e Sensori per microntroller della famiglia Arduino e non solo. E’ una tra le molte possibilità e, forse, adattata ad un contesto che potremo definire di laboratorio iniziale con il Progetto I.o.T. Le schede Grove permettono di utilizzare un … Leggi tutto

Commenti I.o.T. Arduino Firmware 0.18.06.05

Revisione 0.03. Il primo I.o.T. Firmware per Arduino pubblicato, indicato come versione 0.18.06.05, permette di valutare concretamente il Progetto I.o.T. E’ facile allestire l’ I.o.T. Controller con una qualsiasi scheda della famiglia  Arduino mediante questa prima versione pubblicata del Firmware. Compilato e installato nel microcontroller, è possibile usare il terminale seriale per comunicare manualmente, laboratorio … Leggi tutto

I.o.T. Arduino Firmware 0.18.06.05

#define FIRMWARE_VERSION “0.18.06.05” /*Language: Wiring/Arduino Serial Console 115200 baud \n ASCII 10 */ #define WATCH_DOG_ENABLED #define LCD_ENABLED // pin 4,5,6,7,8,9 reserved #define MACRO_01 // per utilizzi specifici /* 001 Si osservi l’utilizzo del C preprocessor, macro processor, per compilare il minor codice possibile al fine di poter utilizzare microcontroller con modeste risorse. Il generatore codice … Leggi tutto

.snap Vs .deb Package

DEB Packages can have access to everything on your computer. It shares libraries with other installed applications. Snaps are containerised software packages that are simple to create and install. They auto-update and are safe to run. And because they bundle their dependencies, they work on all major Linux systems without modification. In Ubuntu context snaps … Leggi tutto

Debian GNU/Linux project to mark 25th birthday on Thursday

The Debian GNU/Linux project will turn 25 on Thursday, with the Linux distribution having made its debut on 16 August in 1993 under the leadership of the late Ian Murdock. In its original manifesto, Murdock stated: “Many distributions have started out as fairly good systems, but as time passes attention to maintaining the distribution becomes … Leggi tutto

Ubuntu 18.04.1 LTS (Bionic Beaver)

Dopo qualche mese dal rilascio possiamo riportare delle considerazione: abbandono di Unity: è una positiva riduzione della complessità che riporta ai desktop environment principali, soprattutto nel momento cruciale della sostituzione di Xorg con Weyland; inoltre adottare nuovamente Gnome, come default, risulta un sostanziale riavvicinamento a Debian Adozione di Gnome come default:  soluzione sensata perché semplifica … Leggi tutto

I.o.T. Arduino Firmware

Revisione 0.05. La prima famiglia di controller che consideriamo è la AVR Arduino per la popolarità acquisita. Le schede con microcontroller AVR della famiglia Arduino non solo sono dotate delle interfacce adeguate per gestire sensori ed attuatori  con software ed hardware pronto all’uso, ma hanno una documentazione approfondita e facilmente apprendibile anche per addentrarsi nell’elettronica … Leggi tutto

UTM Server ed Appliance

Revisione 0.02. I Sistemi Unified threat management (UTM), unificando molti servizi, ed in particolare i servizi che presiedono alla sicurezza, quali i firewall, hanno raggiunto una buona diffusione. La principale distinzione in ambito UTM è riconducibile ad UTM Appliance UTM Server. Le UTM Appliance sono legate ad un dispositivo compatto che contiene tutte le parti … Leggi tutto

I.o.T. Processor Board

Revisione 0.03. I Processori in ambito I.o.T. sono computer che gestiscono i Controller dotati di GPIO. Sono il tramite per i Controller, computer con poche risorse, ma in grado di gestire direttamente l’elettronica necessaria per utilizzare sensori ed attuatori, verso i Sistemi Remoti I.o.T., raggiungibili attraverso Internet. I Processori che utilizziamo nel Progetto Sistema I.o.T. … Leggi tutto

Sistema I.o.T.: Processore, Controller, Sensori ed Attuatori

Revisione 0.07. Presentiamo il progetto di Sistema I.o.T. che, nella sua struttura più essenziale, è costituito da: Sistema Servizi Centrale I.o.T. Processore Controller Shield, Sensori ed Attuatori App Desktop per amministrare il sistema mediante un computer generico IL Sistema Servizi Centrale I.o.T. è raggiungibile mediante internet ed eroga servizi quali cruscotti da utilizzare anche in … Leggi tutto

Beocreate 4 channel amplifier

The Beocreate 4 channel amplifier is a very flexible DSP/DAC/amplifier combination board designed for high-quality music playback in combination with passive loudspeakers. Up to 180W output power (2x30W, 2x60W) Capable of driving up to four of 4-8 Ohm speakers Fully controllable from the Raspberry Pi   Beocreate software suite This software allows you to activate … Leggi tutto

Cosa fa Apple con i dati dei nostri iPhone

Zack Whittaker, brillante giornalista inglese trapiantato a New York, appassionato di divulgazione tecnologica e di tematiche legate a sicurezza e privacy. Incapace di resistere alla sua curiosità, Zack ha pensato di chiedere ad Apple di fornirgli i dati che la grande azienda aveva raccolto su di lui. I asked Apple for all my data. Here’s … Leggi tutto

Desktop plans for 18.10

Bionic is out the door and we’ve started the Cosmic cycle so I wanted to take this opportunity to tell you about our plans for this cycle, the sorts of features we want to work on and what you can expect from 18.10 when it arrives in October.  Updates to 18.04 LTS GNOME Software improvements … Leggi tutto

New Ubuntu Rethinks Desktop Ecosystem

“The overall response was positive,” said Will Cooke, engineering director for desktop at Canonical. The development team tweaked the GNOME shell just enough to give it a face that clearly identifies it as part of Ubuntu.