I finally got my hands on some 51/4” diskettes for the Pravetz. They are in good condition and full of old games and programs. There is also a pack of cleaning diskettes for the floppy drive. I’m still looking for more.
My software development career started 20 years ago. It’s sound crazy, but when I was 8, I was introduced to my first computer and Turbo Pascal.
My first computer was Pravetz-16. It was something new and interesting for me, and I was hooked immediately.
Years and technology changed, the old Pravetz died from natural causes and was thrown for recycling.
Now almost 20 years later I felt the urge to have my old computer back and stated searching. It was hard and long search until finally I saw an ad that a scrap depot is selling an old Pravetz computer. Not wasting time I called them and brought it for 100 leva ( around 70 USD ). It was the computer only, with ought the peripherals. Before the deal I asked them to try turning it on. They said it’s starting, so I have it delivered to me.
Except from being full of dust, dead spiders and dirt all around and with some minor hardware problems like the serial board apparently dead. This specimen was almost authentic. It’s still has all the marks from the factory and even a warranty card and instruction manual for the floppy disk.
From the warranty card I found out that this PC was one of the last produced before the collapse of the communist regime in Bulgaria. The production date is 12.12.1989 and it’s apparently the turbo version with the following specs:
CPU: 80286 at 12 Mhz
RAM: 1 MB
HDD: 20 MB
5 1/4″ Inch Floppy drive
LPT printer port
CGA video card (VDO-3)
It took me 7 hours to disassemble the PC, clean it screw by scree and put it back together. Every non electrical part was washed and the electrical ones were cleaned with alcohol solution and an old tooth brush. The old Pravetz now shines as new.
Now I’m looking for a CGA monitor, to be finally able to turn it on and see will it boot. Meanwhile the keyboard will be disassembled and cleaned.
To disable overlay scroll bars in Ubuntu 14.04 LTS, open a terminal window and paste the following command.
gsettings set com.canonical.desktop.interface scrollbar-mode normal
In order to maintain higher security level and keep the user from accidental breakage of the system the root user log in is disabled by default. To enable it, open a terminal window and type:
sudo passwd root
you will be prompted to enter the root user password. When done press enter.
That’s it. Now you can work from the command line like super user.
JD-GUI is a standalone graphical utility that displays Java source codes of “.class” files. You can browse the reconstructed source code with the JD-GUI for instant access to methods and fields.
This java decompiler has GNU/Linux version available for download, but the site don’t mention anything about the dependencies of the package. It’s up to the user to find and install the required libraries in order to run JD-GUI.
For the x64 version of OpenSUSE install the following packages:
zypper in libgtk-2_0-0-32bit libgthread-2_0-0-32bit libXxf86vm1-32bit
For the x86 version install:
zypper in libgtk-2_0-0 libgthread-2_0-0 libXxf86vm1