Next Cloud uses ImageMagick to create, display and manipulate images in the web frontend. Unfortunately the NextCloud Plugin has been
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In part one of this tutorial we installed TrueNAS and created a NextCloud jail which makes the NAS content available
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Last summer I decided to replace my QNAP NAS by a more comprehensive NAS. I am working a lot with
Continue readingHow To: Installing Alfresco 6 on Ubuntu Server
This posting will descibe the installation process of Alfresco 6 on an Ubuntu Server. The following prequeries are required: Working
Continue readingImplementing a QR servlet in java
In this posting I want to implement a sample application which creates a QR-Code (for any URL) and displays as
Continue readingDeploying a mixed WLAN structure with two sites
Last month I implemented a new WLAN infrastructure at my tennis club in western Austria. In this posting I want
Continue readingLog4j configuration example
Like most java developer I use the log4j library to log my applications. Although this library is widely used in
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Last week I configured a new network consisting of several Ubiquiti Switches and APs, for the tennis club, where I
Continue readingImplementing a simple LoginApp with Vaadin
If you have a small vaadin application you might want to avoid using complex authentication and authentifaction frameworks like Spring.
Continue readingChecking the current orientation of the image and rotate if necessary
In one of my current projects I need some basic image operations and want to use as few third part
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