A few days ago I installed Debian Stable. I’d been using Sparky Linux, which is based on Debian Testing, and was happy with it. The tools it integrates make the life of a desktop user easier when managing the system, I had no issues with it and had a bunch of software available in the repositories. Well, since Sparky is based on Debian, the “bunch of software available in the repositories” part was a given from the start. ...
Retirado do webcomic Wumo.
Sometimes, maybe for maintenance or data rescue reasons, you may want to have a USB thumbdrive with a GNU/Linux distribution installed. I’m not referring to writing a live ISO to a USB drive; I really mean having the distribution installed like it would be on an hard drive. An easy way to achieve this is using the virtualization software Qemu. Example: sudo qemu-system-x86_64 -boot d -cdrom void-live-x86_64-20171007.iso -hda /dev/sdb -m 800 In this example, the -hda /dev/sdb part tells Qemu that the device /dev/sdb (the USB drive) must be used as an hard drive. ...
Russian weapons manufacturer Kalashnikov unveiled a line of electric and hybrid cars, buggies and motorcycles this week. One of those vehicles is a retro-styled concept car named CV-1, capable of running for 350 kilometers with a single charge and accelerating from 0 to 100 km/h in 6 seconds. And it doesn’t look that bad.
A espinha dorsal - e não o cérebro, como se pensava até agora - é que define se somos canhotos ou destros. Esta conclusão foi avançada num artigo da autoria investigadores da Universidade Ruhr de Bochum, juntamente com outros investigadores da Holanda e África do Sul. Um estudo publicado no eLife no ano passado sugere que, ao contrário do que se pensava, não nasces canhoto(a) ou destro(a) devido às diferenças genéticas entre os dois hemisférios do teu cérebro, mas sim a um mecanismo na espinha dorsal. ...
By default, up and down keys allow you to navigate your bash history. Another option is the history built-in command and bash expansions (ex.: !2 runs the second command, oldest to newest, from your bash history). There are also tools, like bash-it, that allow for better history manipulation, but this also adds a lot of other stuff, so it might make your .bashrc load slower. It will make your bash look good as hell too. ...
Criptex is a new email client with a strong focus on the user’s privacy and data security, released by an independent company with the same name. The app stores all the emails on the device(s) it’s used, encrypted with the Signal Protocol, instead of storing them in their servers. This gives user’s total control over their data. This software is open source and available for Android, iOS and macOS. Linux and Windows releases will be available soon.
NASA’s Jet Propulsion Laboratory (JPL) developed a mini version of the Mars Curiosity Rover, and open sourced the design and software used. The source is hosted at the agency’s Github account. The project uses mostly consumer off-the-shelf parts. One of them is a Raspberry Pi, used as the “brain” of the rover. From the Github repo: JPL is always looking to inspire the next generation of scientists, engineers, and roboticists to help us explore and learn about our solar system (and beyond!). We release the plans for this rover as a way to try and give budding enthusiasts a fun robotics project that will help teach them and get them involved in robotics sooner and at a lower cost. ...
note-keeper is a small bash script to simplify the creation, editing and management of notes. It uses the text editor set up in the $EDITOR environment variable, but if that variable is empty it defaults to Vim in insert mode. (the image from this post is the one found in the script repository at the time of this article publishing)
Step aside, Kepler, TESS (Transiting Exoplanet Survey Satellite) is in town and ready to discover more exoplanets (planets outside of our solar system) and closer to “home”. From Engadget: TESS is a follow-up to Kepler, a spacecraft that has spent the last nine years searching for Earth-like exoplanets near Sun-like stars. Though it may be on its last legs, Kepler has already found 2,650 confirmed exoplanets and even more are expected to be discovered from the data it has collected. But Kepler was designed to focus on a small section of the sky and while it spotted many exoplanets, a lot of them were very far away from Earth. TESS, however, will eventually map about 85 percent of the sky and it will attempt to spot exoplanets a bit closer to Earth – which allow other telescopes to study them more thoroughly. ...