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Tux Machines


today's howtos


Posted by Roy Schestowitz on May 20, 2023


Games: Outlast Trials, Last Christmas, BORE BLASTERS, and More

Red Hat cuts Fedora Program Manager



Humble Chronicles: Managing State with Signals


↺ Humble Chronicles: Managing State with Signals


> After the previous post, I figured that the best way to decide on the direction for Humble UI is to make an experiment.


> And I did. I implemented a reactive/incremental computation engine (signals) and wrote a simple TodoMVC in it. Following are my thoughts on it.



How to Improve Gaming Performance on Linux


↺ How to Improve Gaming Performance on Linux


> Linux is increasingly becoming a strong choice for PC gaming as a realistic alternative to Windows. With Wine, improved GPU driver support, SteamOS, and many other enhancements, Linux gaming is now a reality.


> But as with Windows, things may not be perfect from the off. Here’s how to improve gaming on Linux with these top tips to tweak performance.



GIMP Tutorial: Colorizing A Black & White Photo


↺ GIMP Tutorial: Colorizing A Black & White Photo


> On YouTube, I have found several tutorials for colorizing a photo. Michael Davies Design has one, as well as Logos By Nick and others. I also found one by JBColourisation. I also did an article on colorizing a photo back in 2013, but there are several methods, so we'll do a different method this time.


> We'll be using layer masks for this, and I just heard an easier description of a layer mask. It's like "a window that's been blacked out" so you can't see what's inside, and when you paint the layer mask, you're "making a hole" that shows what you want seen.



GIMP Tip: Join Text


↺ GIMP Tip: Join Text


> When I first registered for PCLinuxOS and started getting more involved in the community, I noticed how in the artwork of the distro logo, two letters in the middle are cleverly 'joined' to look like only one letter or character. The U and the N look like they are merged or magically melted together. Being a fan of graphics, in time when I needed to use the logo, I wasn't sure how to go about joining the two letters. I asked in the forum, but the answers I got didn't yield a good enough result. There was always something sticking out of place, or something didn't look quite right. In time, I eventually figured out how to join the two letters seamlessly. Here, in this Gimp tip, we'll see how I made it work for me. I am sure there are many other different ways to accomplish the same task, but this is how I do it. (See samples A1, A2, A3)



How to Add and Remove Users on Ubuntu


↺ How to Add and Remove Users on Ubuntu


> The system administrator role includes creating users, deleting users, and reviewing existing users. They also control who can, and cannot, use root’s elevated powers.




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