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How to Access Chips Over the SPI on BeagleBone Black
The BeagleBone Black is a Single Board Computer for $45 which runs an ARM CPU, 2Gb of flash, 512Mb of RAM and comes with many connectors allowing you to interface with electronics. Unlike the Arduino,...
View ArticleHow to Monitor System Temperature on Linux
In most cases, you are not supposed to be worried about the temperature of your computer. Barring manufacturing defects, hardware is designed so that its temperature does not exceed maximum operating...
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Linux Routing Subnets Tips and Tricks
Does anyone do any serious disconnected computing? I daresay not. We install and update our Linuxes over the Internet, and install new software, and look up information online. Networking is essential...
View ArticleInstalling Redis and setting up Master – Slave Replication
Redis is an Open Source in memory Key – Value Data Store that has gained in popularity over the past few years. It is currently in use and highly praised by tech companies such as Twitter, Stack...
View Article10 Basic Examples of Linux netstat Command
Netstat is a command line utility that can be used to list out all the network (socket) connections on a system. It lists out all the tcp, udp socket connections and the unix socket connections. Apart...
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Android App Layouts: How to Set Up a List of Clickable Images with GridView
In previous layout tutorials, we've looked at LinearLayout and RelativeLayout. A common use case in Android, though, is that you have a list of items to display, which you wish the user to be able to...
View ArticleHow to Create Desktop Shortcut or Launcher on Linux
If you have a program you use regularly on Linux desktop, you may want to create a "desktop shortcut", so you can launch the program by simply clicking on the shortcut. While most GUI programs...
View ArticleHow to Draw a Flowchart or Diagram on Linux
There are several well-known commercial flowchart and diagram software available, e.g., Visio on Windows, OmniGraffle on MacOS X. Then what about Linux? In fact, there are a couple of reasonably good...
View ArticleHow to Install Ghost Blogging Platform on Linux
Ghost is a relatively new blog publishing platform which started out as a £25,000 Kickstarter project. While WordPress is still the dominant blogging tool on the web, it has now evolved into a general...
View ArticleHow to Manage a Linux Server with GUI
A typical Linux server runs in a command line interface (CLI) environment, preloaded with bare essential tools needed to install and configure various headless services. Compared to a full-blown GUI...
View ArticleHow to Configure Raspberry Pi for the First Time
You flashed an SD card with Raspberry Pi image, and plug the SD card into Raspberry Pi. Then what next? The first thing to do after booting Raspberry Pi is to configure your Raspberry Pi. Each...
View ArticleHow to Install and Configure Cacti on Linux
Any system admin working in a service provider network would certainly agree that Cacti is one of the most widely used tools in network management solutions. It is open source, has built in user...
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How to Bulletproof Linux for Mad Experimentation
Everyone knows that keeping regular backups of our data is the No. 1 best insurance against mishaps. The No. 2 best insurance is smart partitioning on your Linux PC that puts your data on a different...
View ArticleInstall Virtualbox 4.3 on Ubuntu/Debian/Fedora
VirtualBox is a free virtualisation software for x86 based systems and is available for most of the popular OSes like linux, mac and windows. It runs on a host system and supports running other OSes...
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How to Remote Control Your Camera with Darktable on Linux
We've talked about Darktable before, because it is a wonderful advanced RAW photo editor and workflow manager. My current favorite feature is tethered shooting, which is connecting a camera to your...
View ArticleHow to Set Up a Secure Apache Webserver on Ubuntu
This tutorial assumes that you have a running Ubuntu Server, that networking has been set up, and that you have ssh access. Apache2 is the default webserver used by many Linux installations. It is not...
View ArticleHow to Install and Configure Conky on Linux
Conky is a light-weight system monitoring tool combined with a fully-customized desktop theme, which can completely change your Linux desktop experience. Using Conky, you will get a fully personalized...
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Inforce IFC6410: Quad ARM A15 Snapdragon for $150
The Inforce IFC6410 contains a 1.7Ghz quad core ARM A15 Snapdrogon S4 CPU with 2GB of RAM, wifi-n, Bluetooth 4, a SATA port and 4GB of flash on board. The Snapdragon S4 chip is very similar to the...
View ArticleHow to Install and Configure UFW – An Un-complicated FireWall in Debian/Ubuntu
Since computers are connected to each other, services are growing fast. Email, Social Media, Online Shop, Chat until Web Conferencing are services that used by user. But on the other side this...
View ArticleHow to Install and Configure Nagios on Linux
Nagios is one of the most powerful network monitoring systems, which is widely used in the industry. It can actively monitor any network, and generate audio/email warnings and alerts when any problem...
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