Installeren Ubuntu op Acer Spin UEFI apparaten

Installing Ubuntu on the Acer Spin 1 has been proving to be quite the hassle to me. Fortunately; following these steps allows other to easily install Ubuntu on the Acer Spin 1 and possible many other Acer UEFI devices. Installing the bootloader will likely fail steps are provided to recover from this and perform bootloader repair. The steps require a 4gb usb drive for the Ubuntu live usb and later for installing rEFInd.

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Korte demonstratie raid10 met btrfs

Korte demonstratie van moderne software raid mogelijkheden met btrfs. In dit geval maken we een raid10 systeem en overschrijven we een drive volledig, deze overschrijving wordt vervolgens verholpen en de raid10 architectuur gerepareerd. Als resultaat zien we dat geen bestand of data verloren is gegaan

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btrfs raid10

Unreal Engine game development Linux pitfalls & resolutions [en]

Dit artiekel is geschreven in het engels en niet vertaald! Unreal Engine its support for working and building for Linux is ‘lacking’ to say the least. Not only in the documentation about the tools that now have to be run manually from the commandline; generally what is and which features are not supported and common issues and resolutions are at least for Linux barely documented. So I will list some of the problems I have encountered and how to resolve them. Resolving all these problems will make creating a cross-platform game, using the UE4Editor on Linux and creating binary releases for distribution possible.

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Unreal Engine UE 2017

Cross platform video playback in unreal engine [en]

Dit artiekel is geschreven in het engels en niet vertaald! The unreal engine supports Windows, Linux and Mac but each has its own different video player framework. If you try to have a simple single video player in Unreal this will likely only work for one or at most two platforms. By following this guide a video player can be made within Unreal engine that allows for playing back videos on Windows, Linux and Mac.

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crossplatform

exim4 configuratie voor remote smtp met het smtps protocol [en]

Exim has seen many changes over the years and is up to date on modern standards such as the use of STARTSSL. This however leads to problems when using older protocols or standards such as smtps otherwise known as tls on connect. In this guide we configure exim4 to use the old smtps protocol with a remote smarthost configuration.

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exim 4 tty configuration screenshot

Social media data inzichtelijk maken zonder privacy te beschadigen

During the third semester at the Amsterdam university of applied science I was involved in the development of a online platform to search, analyze and represent data from the social media platform SnappThis. The product converts a JSON export of the social media database to a relational MySQL database through the use of Hibernate a java framework. In conjunction with hibernate a extensive API was made to allow realtime data exchange between java and javascript through the use of jQuery AJAX.

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hva social media javascript api excerpt

Replacing rtl-sdr coaxial connector with sma to improve sensitivity [en]

Some rtl-sdr dongles are shipped with a coaxial connector, this connector is commonly used in home appliances and is typically used for 50 or 75 ohms characteriscal impediances. The coaxial connector works fairly well considering its construction and production costs however most coaxial connectors suffer high signal loss at high frequencies. The exact characteristic plot for a given coaxial connector differs greatly by brand, type and even per unit. By replacing the rtl-sdr coaxial connector with a sma connector we can expect improvements for received signal strength at higher frequencies.

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rtl-sdr with sma connector modification

Amazing performance with RAMdisk. [en]

Improve performance of a variaty of different applications by tremendous amounts. RAMdisk programs are small applications which allow to assign large portions of memory as a drive to the operating system. Find out how to download, install and configure such a program and use it to your advantage. As well as a variaty of tests to get a proper indication of expectable improvements.

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graph results read and acces time

Fixing encrypted disc hibernation in Ubuntu with uswsusp [en]

uswsusp A tool to enable encrypted hibernation on Ubuntu even when you use a encrypted LVM volume. By default ubuntu has no hibernation support at all, even worse when you use an LVM encrypted their is no way to enable hibernation in a simple way. However I have found a way to hibernate even with a LVM encrypted volume.

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Open nominatie voor big brother awards 2015

Hieronder staat de nominatie die ik geschreven heb voor de big brother awards 2015, Deze award wordt mogelijk gemaakt door Bits of freedom. Zelf een nominatie indienen

Microsoft dwingt nieuwe gebruikers het vernieuwde besturingssysteem Windows 10 erg af. Een zogeheten gratis update naar 10.

Er zitten echter erg veel haken en ogen aan, Niet alleen in gebruik maar ook vooral voor de privacy van onze burgers. Zo zijn er een aantal dingen die wat aandacht verdienen: Nieuwe Windows ‘telemetry’ service (7, 8 & 10). Aangepaste privacy instellingen.

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big brother awards 2015