Knowledge Base

Slick Knowledge Base brings you dozens of articles from various topics. Web design, programming, operating systems, software, hardware. Explore and enjoy!

Knowledge is the biggest treasure of humanity. I believe that by sharing my experience from IT sector and big passion to it, I will be able to wake up creativity inside you.


  • Sometimes you will have to check which version of currently installed package you have. In various distributions of Linux you can achieve this in the same way. Ubuntu will be an example. To get this information, simply open terminal and type this command: As an example I will check which version of Midnight Commander I… read more

  • Due to the Ubuntu’s policy about non free formats on default, this operating system comes with no support to media like MP3 (which can be required to deal with FFmpeg) and DVD, Flash Player or Java. Despite of that, You can still get support of this features by installing third party package. Installation Open terminal… read more

  • Natively Xubuntu (as well as any other version of *ubuntu) does not support fingerprint reader. To enable this feature and use it as an alternative way of authentication, you have to install additional package. One of them is called Fingerprint GUI and it supports several fingerprint reader devices. First of all open terminal and check… read more

  • You won’t find this feature in the default phpBB3 installation. To display number of new posts since last visit you just have to edit small piece of 3 files: Open: and try to find line: After this line add: Note that line you need to look for may look a little bit different. In the… read more

  • In my previous article about FFmpeg I’ve described a method of removing sound from the surce video stream. Today I will present some general examples of how to use FFmpeg. That includes conversion from one format into another, setting specific bitrate (quality determinant) and other minor settings. (Check this article from time to time, because… read more

  • Typical process of creating bootable USB using previously downloaded ISO image with OS is pretty easy but with Debian it’s tricky. Using Startup Disk Creator in my case thrown an error: Below I will show you nice workaround that works perfectly and requires no additional programs to deal with. 1. Prepare your USB Make sure,… read more

  • If you want to install Hamachi, probably you know what it is. That’s why I will skip the description about this pretty nice VPN software. Let’s install Hamachi under Ubuntu Linux (works on *ubuntu as well). Go to Hamachi’s web page and scroll down to Linux section. Download DEB file. I’ve chosen 64-bit version. Now… read more

  • To remove shortuct arrow in Windows without any third party software, follow below steps and you will be able to remove shortcut arrow or change it to a classic one (if you are modifying Windows 7).   – arrow’s preview in Windows 7   – classic Windows arrow Open “Run” menu and type: Go to… read more

  • Another way (much more easier than the one I previously posted on May ’13) to install Java 7 under Ubuntu is presented below. You don’t have to edit any files manually. Just type these commands in terminal with sudo: While upgrading your repositories, your Java will be up to date.

  • Installation of Apache OpenOffice 3.4.1 (or 4.x) is as much easy as when you install software using apt-get or GUI Software Center in Ubuntu. Debian packages are provided in one tar.gz archive. Download it and do the following steps. Before the installation process ensure that LibreOffice is removed to aviod some conflicts. Extract the archive:… read more

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