Sometimes, even though you have closed all applications, you can experience, that FreeBSD and other operating systems can not unmount an external USB disk drive or other mounted device, because of the error message Device busy.
Continue reading “Unmounting a busy device on FreeBSD”Blog
I shot some pictures of the annual gay pride parade in Copenhagen. As always, I try to focus more on the individual contributions to show the true diversity, expression and courage, that makes up such a huge event as the gay pride parade.
Continue reading “Pictures from Copenhagen Pride Parade 2023.”Review of Havit KB496L RGB backlit mechanical keyboard for FreeBSD desktop computers and Android smartphones.
Continue reading “Havit KB496L mechanical keyboard for FreeBSD.”I snugged a camera into my bag and went for a peaceful walk in the evening sun and calm sea at the beach Amager Strand.
Continue reading “Evening at Amager Strand.”In this example, a FreeBSD bootable USB memory stick will be prepared, so it can be used to boot a computer and install FreeBSD on it.
Continue reading “Preparing a FreeBSD bootable USB memory stick.”Ratatype is a free, simple and online web based typing test and learning site. I recommed it for testing typing speed in words per minute (wpm) and accuracy in percent on different keyboards. Neat layout. No obstructing advertisements. Optional sign-up for structured learning plan.
Continue reading “Measure typing speed and accuracy with Ratatype.”FreeDOS is a free and open source operating system variant of the classic MSDOS from the 90’s, just like DRDOS and PCDOS from the time. FreeDOS can be used to run legacy business software and classic games for MSDOS. In this example, FreeDOS 1.3 is installed as a guest in VirtualBox 6.1 on a FreeBSD 13.2 desktop computer.
Continue reading “How to install FreeDOS on FreeBSD.”In this example, the VirtualBox kernel module 6.1.36_1 for VirtualBox 6.1.36_1 on FreeBSD 13.2 is installed from ports to a fix version mismatch.
Continue reading “How to fix version mismatch for FreeBSD VirtualBox kernel module.”An overview of two-factor authenticatation (2FA) and how it works.
Continue reading “How to protect online accounts with two-factor authentication (2FA).”