Configuring OCR in OpenKM

A nice feature of OpenKM is the OCR of documents. With this not only the manually added metadata of a document but also the contents of the documen ts themselves can be searched. The quality of the search depends on the indexed content, so the better the quality of the scanned documents, pictures etc. the better is the search result.

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Configuring preview in OpenKM

After having OpenKM up and running it is time now for configuring the preview stuff. For preview of different types of documents (PDF, images, office documents) we need different tools.

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Basic installation and setup of Ubuntu 14.04. LTS server on ODROID U3

The ODROID is a pocket sized mini computer like a Pi but a bit more powerful so that it can be used for the same things like the Pi and even more resource consuming projects (which was the reason why i bought it). With the original which can be bought from the manufacturer it looks like this:

It is capable of running Android or Linux and for its’ planned use as a home server for different kinds of task I choose Ubuntu server LTS. This article is about the basic installation of Ubuntu server on the ODROID. Read more of this post

Automatic shutdown after network inactivity

For my NAS, I tried a few options to go more green and save some energy. Besides the WOL which works well, I set up the NAS to shut down after some time of network inactivity (or at least few activity). Read more of this post

Backup and restore of installed packages on Ubuntu

To backup the list of currently installed software (e.g for a reinstall of the system), type:

sudo dpkg --get-selections > installedpackages

(and copy the file to a location which will still be available after the repartitioning and formatting of the hdd during new installation 😉 )

To reinstall the packages:

sudo dpkg --set-selections < installedpackages
sudo dselect

How to make microphone work in Skype

I had problems getting the microphone to work in Skype and was searching for a solution. One thing which was mentioned on various websites was to uncheck the box “Allow Skype to automatically adjust mixer levels” in the Skype options. But this did not work for me. I found some other troubleshooting tips Read more of this post

Ubuntu Home Server – Part 3: Samba File Server Setup

In this part, I am doing a basic setup of Samba as a file server for my clients at home. I want to grant access to the drive to all my local Win* and Linux users.

If samba is not already installed and running, you have to install it first as a prerequisite. Furthermore the smbclient is helpful and will therefore be installed, too.

sudo apt-get install samba smbclient

You can then check the samba status with a Read more of this post