The problem: you have a PDF with some coloured elements (like some logo, separation lines, etc…) but you need a PDF in B/W. The solution: you can print your file (with a B/W printer) and then scan it 🙂 or, using GPL Ghostscript, run this command… gs -sDEVICE=pnggray -r150x150 -sOutputFile=output-%02d.png Read more…
When playing with unetbootin or some other software for converting a ISO image to a USB stick, you can get, trying to boot from USB, a message like this: ERROR: No configuration file found. No default or UI configuration directive found! Boot:_ You can fix this formatting the USB device Read more…
Today I have to choose an operating system to replace a very old server with Windows 2000. Usually, when I have to do tasks like this one, I like getting my hands dirty with the old school approach: choose a very good Linux distribution (maybe CentOS) and setup all the Read more…
Recently using VirtualBox on Mac, I enabled the Remote Desktop Extension but no way to get it working. After a little research I have discovered you must install also the Oracle VM VirtualBox Extension Pack to get the RDP working. Apparently, the Extension Pack must be installed every time you Read more…