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today's leftovers

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  • GTX 760 Vs R7 370 4G In Company Of Heroes 2

    Liam has done his initial port reports and such so it's my turn to feed you some information. I'm once again putting my GTX 760 against the R7 370 to see what kind of performance we can expect from Company of Heroes 2.

  • KDE Plasma 5.4 Enhances Linux Desktop Experience

    The K Desktop Environment (KDE) is one of the earliest Linux desktop environments, dating all the way back to 1996, predating even the popular GNOME desktop environment, which was started in 1999. On Aug. 25, the core KDE desktop, Plasma, got an incremental update to version 5.4 that builds on the innovations that the first Plasma 5 release introduced in July. Among the many changes that users will notice with Plasma 5.4 are more than 1,400 new icons for all KDE applications, providing a more streamlined, modern look and feel to the desktop. Also new to Plasma 5.4 is an optional Application Dashboard that provides a different way to open up applications. Finding an application, or anything else on the KDE desktop, is also improved by way of enhanced search history in the integrated KRunner search tool that is part of the desktop. Plus, the 5.4 update now provides initial support for the Wayland display server that is intended to be a replacement for the decade-old X-Window server. KDE as a desktop environment is available on multiple Linux distributions, including Ubuntu, Fedora and openSUSE. In this slide show, eWEEK examines some of the key features of the KDE Plasma 5.4 desktop.

  • KDE Sprints - who wins?

    To start with, KDE sprints are intensive sessions centered around coding. They take place in person over several days, during which time skillful developers eat, drink and sleep code. There are breaks to refresh and gain perspective, but mostly sprints involve hard, focused work. All of this developer time and effort is unpaid. However travel expenses for some developers are covered by KDE. KDE is a frugal organization with comparatively low administrative costs, and only one paid person who works part time. So the money donated for sprints goes to cover actual expenses. Who gets the money? Almost all of it goes to transportation companies.

  • GNOME Developers Discuss Codenames, GNOME 3.18 Might be Dubbed "Gothenburg"

    Allan Day, a GNOME UX designer working for Red Hat and renowned GNOME developer/contributor, opened an interesting discussion on the official GNOME mailing list, about possible codenames for upcoming releases of the acclaimed desktop environment for GNU/Linux operating systems.

  • ReadySpace Joins Red Hat Certified Cloud and Service Provider Program

    Hong-Kong based cloud service provider ReadySpace announced Thursday that it has joined the Red Hat Certified Cloud and Service Provider program. The new Red Hat partner program, launched in July, allows ReadySpace to deliver solutions based on Red Hat’s open source technologies.

    ReadySpace CEO David Loke said customers building on open source software and Linux servers had been asking for Red Hat solutions by name to run critical workloads in private and hybrid environments. The company will now offer private cloud build-outs, Linux infrastructure and PaaS solutions based on Red Hat.

  • Ubuntu, Canonical, and IP

    Recently there has been a flurry of concerns relating to the IP policy at Canonical. I have not wanted to throw my hat into the ring, but I figured I would share a few simple thoughts.

  • Canonical urges customers to ditch Windows 10 for Ubuntu

    In a recent posting, Canonical has tried new methods to appeal to Chief Technology Officers (CTOs) and cost conscious home users that they should switch to Ubuntu in lieu of Windows 10.

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today's howtos

  • How to Change Comment Color in Vim – Fix Unreadable Blue Color

    Are you annoyed about the comment color in vim? The dark blue color of the comment is often hard to read. In this tutorial, we learn how to change the comment color in Vim. There are few methods we can use to look vim comment very readable.

  • How to Add Repository to Debian

    APT checks the health of all the packages, and dependencies of the package before installing it. APT fetches packages from one or more repositories. A repository (package source) is basically a network server. The term "package" refers to an individual file with a .deb extension that contains either all or part of an application. The normal installation comes with default repositories configured, but these contain only a few packages out of an ocean of free software available. In this tutorial, we learn how to add the package repository to Debian.

  • Making a Video of a Single Window

    I recently wanted to send someone a video of a program doing some interesting things in a single X11 window. Recording the whole desktop is easy (some readers may remember my post on Aeschylus which does just that) but it will include irrelevant (and possibly unwanted) parts of the screen, leading to unnecessarily large files. I couldn't immediately find a tool which did what I wanted on OpenBSD [1] but through a combination of xwininfo, FFmpeg, and hk I was able to put together exactly what I needed in short order. Even better, I was able to easily post-process the video to shrink its file size, speed it up, and contort it to the dimension requirements of various platforms. Here's a video straight out of the little script I put together: [...]

  • Things You Can And Can’t Do

    And it got me thinking about what you can and can’t do — what you do and don’t have control over.

  • allow-new-zones in BIND 9.16 on CentOS 8 Stream under SELinux

    We run these training systems with SELinux enabled (I wouldn’t, but my colleague likes it :-), and that’s the reason I aborted the lab: I couldn’t tell students how to solve the cause other than by disabling SELinux entirely, but there wasn’t enough time for that.

  • Will the IndieWeb Ever Become Mainstream?

    This is an interesting question, thanks for asking it, Jeremy. I do have some history with the IndieWeb, and some opinions, so let’s dive in.

    The short answer to the question is a resounding no, and it all boils down to the fact that the IndieWeb is really complicated to implement, so it will only ever appeal to developers.

  • How to Install CUPS Print Server on Ubuntu 22.04

    If your business has multiple personal computers in the network which need to print, then we need a device called a print server. Print server act intermediate between PC and printers which accept print jobs from PC and send them to respective printers. CUPS is the primary mechanism in the Unix-like operating system for printing and print services. It can allow a computer to act as a Print server. In this tutorial, we learn how to set up CUPS print server on Ubuntu 22.04.

Open Hardware: XON/XOFF and Raspberry Pi Pico

  • From XON/XOFF to Forward Incremental Search

    In the olden days of computing, software flow control with control codes XON and XOFF was a necessary feature that dumb terminals needed to support. When a terminal received more data than it could display, there needed to be a way for the terminal to tell the remote host to pause sending more data. The control code 19 was chosen for this. The control code 17 was chosen to tell the remote host to resume transmission of data.

  • Raspberry Pi Pico Used in Plug and Play System Monitor | Tom's Hardware

    Dmytro Panin is at it again, creating a teeny system monitor for his MacBook from scratch with help from our favorite microcontroller, the Raspberry Pi Pico. This plug-and-play system monitor (opens in new tab) lets him keep a close eye on resource usage without having to close any windows or launch any third-party programs. The device is Pico-powered and plugs right into the MacBook to function. It has a display screen that showcases a custom GUI featuring four bar graphs that update in real-time to show the performance of different components, including the CPU, GPU, memory, and SSD usage. It makes it possible to see how hard your PC is running at a glance.

Security Leftovers

How to Apply Accent Colour in Ubuntu Desktop

A step-by-step tutorial on how to apply accent colour in Ubuntu desktop (GNOME) with tips for Kubuntu and others. Read more