December 2020

How to Convert Flac Music Files to MP3s

botond published Jan. 2020, 12, 30:23 p.m. time
When downloading music, you do not always get the music files in mp3 format, but in flac or other formats, for example. In this case, it is advisable to convert them to mp3 so that it is compatible with all players and the file size is optimal. In this description, we convert from flac format to mp3 using several methods on Debian / Ubuntu systems.

How to upgrade our Matomo (formerly Piwik) web analytics system to version 4.x (page 2)

botond published 2020/12/15, k - 09:34 time
The Matomo (formerly Piwik) web analytics system is a high-quality statistical tool that provides us with a detailed and comprehensive view of our website traffic. I have previously described how to install and deploy Matomo software on your own server, and in this tutorial we will review how to upgrade your web analytics system to the recently released 4.x major version. The web statistics program also contains many new features, but in this description we do not focus on these, but we satisfy the software requirements for the new main version so that the system can continue to operate stably. On this page, we will provide the post-upgrade system requirements.

How to upgrade our Matomo (formerly Piwik) web analytics system to version 4.x.

botond published 2020/12/15, k - 09:30 time
The Matomo (formerly Piwik) web analytics system is a high-quality statistical tool that provides us with a detailed and comprehensive view of our website traffic. I have previously described how to install and deploy Matomo software on your own server, and in this tutorial we will review how to upgrade your web analytics system to the recently released 4.x major version. The web statistics program also contains many new features, but in this description we do not focus on these, but we satisfy the software requirements for the new main version so that the system can continue to operate stably. On this page we will make the necessary settings before the update and update Matomo.

How to shrink image files of our VirtualBox virtual machines on Linux and Windows systems

botond published Jan. 2020, 12, 02:20 p.m. time
VirtualBox allows you to run virtual machines on your computer that share the computer's hardware resources with the host operating system. VirtualBox also provides the ability to use dynamically growing storage, which allows you to create drives that are (virtually) the same fixed size inside, but the physical image files themselves are only a few megabytes in size when created and grow depending on the amount of data loaded. This is unfortunately not true backwards, so if you delete something from the virtual machine, for example, the size of the physical image file on the virtual storage device will unfortunately not be reduced. In this description, we will look at how to manually shrink the dynamically growing image files of our VirtualBox virtual machines to the size actually used on Linux and Windows systems.