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Haruna Video Player: An Open-Source Qt-based MPV GUI Front-end for Linux

In case you’re not aware of mpv, it is a free and open-source command-line based media player. Okay, there is a minimalist GUI for MPV but at the core, it is command line. You might also find several open-source video players that are basically the GUI front-end to mpv. Haruna video player is one of them along with the ability to use youtube-dl. You can easily play local media files as well as YouTube content. Let me give you an overview of the features offered with this player. Read more

A Miniature VT102 Running A Miniature PDP11

We spend a lot of time looking at retrocomputing in the form of gaming and home computers, but it’s true to say that minicomputers are less common than hardware projects. Perhaps it’s the size, cost, or even relative rarity of the original machines, but DEC minicomputers are a bit unusual around here. [Sprite_TM] hasn’t bought us a PDP11 or a VT102 terminal, but he’s done the next best thing in the form of a miniature working VT102 that also conceals a PDE11 emulator. It runs Tetris, which was originally developed on a Russian clone of the PDP11 architecture, and the 2.1BSD operating system. Powering it all is an ESP32 module, and the PDP11 emulator is the well-known SIMH software. Porting this to the slightly limited environment of the microcontroller required a few compromises, namely the network stack and the configuration interface. In a particularly clever move [Sprite_TM] enabled BSD networking by writing an ESP32 layer that takes network packets via SIMD directly from BSD. It includes its own DHCP client and wireless network configuration tool, allowing an ancient UNIX-derived operating system from the 1970s to connect to the 21st century Internet through an emulator with its network code stripped out. Read more

Upgrading Ubuntu

I tend to run Ubuntu on my computers as the primary operating system. Given I work for Canonical, this isn’t especially surprising. However I have run Ubuntu on pretty much everything since 2005 or so - long before I started working at Canonical (in 2011). Mostly I will upgrade as each new release comes out, only doing a clean install once in a while. I ran GNOME 2 for all the years from 2004 through to Unity being released, then switched to that. After Ubuntu switched from Unity to GNOME Shell I went along with that in late 2017, and have mostly been running it ever since. I sometimes run other distros in VMs, or play with live environments, but I tend to stick to Ubuntu. Not for any company imposed reason - there’s a bunch of people at Canonical who run Arch, MacOS or something else. I just prefer Ubuntu. Read more

Create Bootable USB Using Etcher in Linux

Etcher is a free and open-source utility developed by Balena licensed under Apache License 2.0. It is used to create a bootable USB device using ISO and IMG files. There are many tools available to create a bootable USB stick in Linux. Etcher is one of them, and we recommend using it as it is way faster to create a bootable USB stick than other utilities. Today, we guide you on how to install Etcher and make your first bootable USB stick. Read more

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