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IBM/Red Hat Leftovers

  • 3 solid self-review tips for sysadmins | Enable Sysadmin

    At every job I’ve held, the general opinion about self-reviews tends to fall into one of two categories. Either employees view them as arduous and frustrating or they simply don’t care about them. However, I believe that a well-written self-review can help you accelerate your career, whether your goal is a raise, a promotion, or merely some well-deserved recognition for your efforts. In this article, I’ll discuss my approach to performance reviews. While there is no one-size-fits-all strategy, this approach has served me well through several organizations and positions.

  • Red Hat OpenShift drives a strong 5G open RAN ecosystem

    As the telecommunications industry ramps up its evolution towards cloud-native architectures and containers, communications service providers (CSPs) are working to scale their networks to support increased demand. In this effort, open radio access network (RAN) solutions offer standardized disaggregation of the RAN, decoupling hardware and software, to give CSPs more freedom of choice. Many organizations are looking to implement a container platform like Red Hat OpenShift that is ready to take on the intensive demands of this evolution for their RAN and for new 5G use cases, such as network slicing, IoT and industrial IoT. Moving to a cloud-native platform creates the opportunity for many of them to work with new suppliers, boost innovation and better differentiate using new operating models. Red Hat is excited to play a key role in this transformation. Last year, we shared the news of our expanded collaboration with Altiostar to develop an infrastructure and workload automation framework for a container-based RAN reference architecture that allows a consistent approach to a disaggregated RAN for both our customer and partner ecosystem. We’re now excited to build on this momentum by extending our architecture in collaboration with Mavenir, to transform mobile network infrastructures.

  • AIOps vs. MLOps: What's the difference?

    In late 2019, O'Reilly hosted a survey on artificial intelligence (AI) adoption in the enterprise. The survey broke respondents into two stages of adoption: Mature and Evaluation. When asked what's holding back their AI adoption, those in the latter category most often cited company culture. Trouble identifying good use cases for AI wasn't far behind.

  • Debuginfod project update: New clients and metrics - Red Hat Developer

    It’s been about a year since our last update about debuginfod, an HTTP file server that serves debugging resources to debugger-like tools. Since then, we’ve been busy integrating clients across a range of developer tools and improving the server’s available metrics. This article covers the features and improvements we’ve added to debuginfod since our last update. [...] Debuginfod is a part of the elfutils project. Tools that already use elfutils to find or analyze debugging resources automatically inherit debuginfod support. Tools like Systemtap, Libabigail, and dwgrep all inherit debuginfod this way. In Systemtap, for example, debuginfod offers new ways to specify which processes to probe. Previously, if you wanted to explore a running user process, you would have to provide either a process identifier (PID) or the executable path. With debuginfod, Systemtap can probe processes according to build-id, as well. So, it is possible to investigate specific versions of a binary independently from the location of the corresponding executable file. Debuginfod includes a client library (libdebuginfod) that lets other tools easily query debuginfod servers for source files, executables, and of course, debuginfo—generally, DWARF (debugging with attributed record format) debuginfo. Since last year, a variety of developer tools have integrated debuginfod clients. As of version 2.34, Binutils includes debuginfod support for its components that use separate debuginfo (readelf and objdump). Starting in version 9.03, the Annobin project contains debuginfod support for fetching separate debuginfo files, and support for Dyninst is planned in version 10.3.

  • Fedora Community Blog: A sneak peek at Fedora Zine

    So my Outreachy internship is winding to a close, as is the creation of the first-ever edition of our very own Fedora Zine! It has been a crazy journey so far and I have thoroughly enjoyed working on this awesome project, especially getting to see and work with all of these great submissions from the community. I have learned so much; from how to balance my design visually, how to pair fonts and use other typographic effects, how to use guides for a perfectly aligned design and also that you should read your printing specs very, very carefully before getting to work on a project.

today's howtos

  • How to Install the Latest MySQL 8 in Ubuntu

    MySQL is a relational database system owned by Oracle Corporation and it has been a part of the Ubuntu repositories right from its earlier versions. The release cycles of Ubuntu and MySQL do not exactly match; hence in some older Ubuntu versions, the latest MySQL version will not be available in the repository. Today, we will see how to install and configure the latest MySQL 8 on Ubuntu.

  • How To Install VMware Workstation Player on Ubuntu 20.04 LTS - idroot

    In this tutorial, we will show you how to install VMware Workstation Player on Ubuntu 20.04 LTS. For those of you who didn’t know, VMware Workstation Player is a desktop virtualization program that allows you to run multiple, isolated working strategies on an unmarried machine. With VMware Player, you can create and run your personal virtual machines and evaluate software dispensed as a virtual appliance from many program vendors accessible from VMware’s Solution Exchange. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you through the step-by-step installation of VMware Player on an Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian-based distribution like Linux Mint.

  • How to use the Linux anacron command | Opensource.com

    In 2021, there are more reasons why people love Linux than ever before. In this series, I'll share 21 different reasons to use Linux. Automation is one of the best reasons to use Linux. One of my favorite things about Linux is its willingness to do work for me. Instead of performing repetitive tasks that eat up my time, or are prone to error, or that I'm likely to forget, I schedule Linux to do them for me.

  • 2 Ways to Upgrade Nextcloud [Command-Line & GUI]

    It’s important to keep your Nextcloud server up to date with the latest security and bug fixes. This tutorial is going to show you how to upgrade NextCloud using the updater app, which automates many steps of a manual upgrade.

  • How To Install Signal Desktop on Ubuntu 20.04

    Signal is an popular messaging application as an alternative of WhatsApp. It is available as Desktop application for Windows, Linux and macOS systems. In order to your Signal desktop application, You must have signup for Signal application with your mobile number. To create new account, install Signal application on your Android or iOS device and create new account. This tutorial help you to how to install Signal desktop on Ubuntu 20.04 LTS Linux system.

  • Install and Use Guacamole Remote Desktop on CentOS 8

    Apache Guacamole is a free, open-source, web-based, and clientless remote desktop application that supports standard protocols like VNC, RDP, and SSH. It allows you to access Linux and Windows PC from a web browser via RDP, SSH, or VNC. It is clientless so you don't need to install any plugins or client software. It is made from two components Guacamole Server and Guacamole Client. Guacamole server provides server-side and native components required to connect to remote PC while Guacamole client is an HTML 5 web application used to connect to the remote PC.

  • How to use Virt-Manager GUI to manage Multipass Ubuntu VMs

    Virt Manager by RedHat is a popular graphical application developed to manage Virtual Machines running on the KVM hypervisor. Here we will learn the process to install it on Ubuntu 20.04 TLS Linux for managing Multipass VMs. The Virtual Machine Manager also called virt-manager or VMM for short offers a uniform user interface for creating and managing virtual machines. VMM is based on libvirt, i.e the virtualization solutions that libvirt also supports are supported. These include QEMU, KVM, and Xen, but not VirtualBox or VMware Player. VMM offers both a graphical user interface and several command-line programs. VMM is written entirely in Python.

  • How to install Qemu/KVM and Virt-Manager GUI on Ubuntu 20.04 LTS

    When it comes to running virtual machines on home Linux systems or for personal use most of us either go for VirtualBox or Vmware workstation player, however, there is more best option i.e KVM/Qemu. Qemu and KVM both are open source platforms for performing virtualization on Linux platforms. KVM stands for Kernel Virtual Machine, where QEMU is an emulator that can also be used as a virtualizer with the help of KVM to provide a native speed by accessing Intel VT-x or AMD V technology of modern processors. KVM is a virtualization module that can easily be installed in any Linux kernel to allow it to function as a type 2 hypervisor. Thus, the installation of KVM becomes a lot easier, we only need a Linux-based system such as Ubuntu and a processor with intel-v / VT-x or AMD-v support. All new processors have this instruction set extension. Only the small processors, such as the Atom from Intel, or very old processors may lack this feature.

  • How the oc debug command works in OpenShift | Enable Sysadmin

    Try a new way to connect to and debug your Red Hat OpenShift Container Platform cluster nodes.

Games: Valve, Skullgirls, Top 7 Predictions for Linux Gaming in 2021, and New Record

  • Valve launch a Beta for Remote Play Together - Invite Anyone, no Steam account needed

    The invites work through the Steam Link app, which has one big caveat at the moment: Valve doesn't currently support a normal Linux desktop with it.

  • Hadean Tactics, a realtime auto-battler with deck building, launches today | GamingOnLinux

    What happens when Slay the Spire has a baby with DOTA Underlords? We're about to find out in Hadean Tactics. Ready to launch later today into Early Access, Hadean Tactics is a fascinating mash up of roguelite auto-battler, and deck builder. You take on the role of the Inquisitor, aiming to vanquish the six wings of Hell. Core gameplay follows the DOTA Underlords mechanic of placing your units on a grid-based battlefield, then watching them choose their targets and pound away, dealing damage according to their DPS (damage per second) stat, and special abilities which are powered by mana. All very familiar so far. What sets Hadean Tactics out from that setting is that the frenetic action is paused every 7 seconds and you’re dropped into a Slay the Spire mechanic. You’re issued with 3 energy and five cards are drawn from your deck. Most cards cost at least one energy to use, and how you play them will affect the ongoing battle when you “end turn”, having played your cards.

  • Gloomy and tough arena shooter Devil Daggers gets a 5 year anniversary update | GamingOnLinux

    Devil Daggers is really something else and I fear for my free time again, as the recent 5 year anniversary update is a great reminder that it begs to be played. It's a high-score chasing arena shooter, inspired by 1990s FPS and arcade games. You get dumped into a small and dark arena to face off against never-ending waves of demons armed with only your magic dagger and quick movement. You just fight to survive as long as you can and see if you can beat your friends and the world on the leaderboards.

  • Linux support for Skullgirls to continue, everyone upgraded to Skullgirls 2nd Encore free | GamingOnLinux

    Quite a bit of ground to cover on the popular fighting game Skullgirls, now that the dust has settled with Lab Zero Games imploding and Hidden Variable Studios / Autumn Games taking back control. Firstly, there's no longer a 2nd Encore Upgrade. Instead, everyone has been upgraded to that edition with all previous DLC being bundled into the main game as a free upgrade. Why?

  • Top 7 Predictions for Linux Gaming in 2021 - Boiling Steam

    Following yesterday’s piece about predictions for 2021 for the world of Linux Gaming, let’s have a second look by combining the predictions of all people involved in order to get a better picture. After all, if the wisdom of crowds holds true, the more often a prediction is made, the more likely it is to be correct (as long as the predictions are made independently).

  • Valheim still growing with 4 million sales, hits top 5 of most played games on Steam ever | GamingOnLinux

    Valheim Valheim Valheim, it's all we've been hearing lately. We're guilty of it, other websites and content creators have covered it a lot and so expectedly it's hit new highs again. Less than one month since entering Early Access, Iron Gate AB and Coffee Stain Publishing have announced they've managed to sell 4 million copies. Not only that, Valheim managed to hit over 500,000 players online at the same time on February 21, which means more people were in game than there were actual Vikings in human history. A more modern detail is that it makes Valheim now on the top 5 of most played games on Steam — ever. Other fun details include the game being played for "a combined total of 10,000 years" and it continues to climb the Steam Top 250 leaderboard for the best reviewed games of all time and they've hit over 92,000 reviews on Steam.

Blender 2.92 Adds a Brand-New Workflow for Editing Meshes, New Physics Simulation Methods

Blender 2.92 is here three months after Blender 2.91 as a major update that introduces a completely new workflow for editing meshes, the ability to create your own custom modifiers, a new option in the Grab tool to shape silhouettes, a new Elastic Snake mode that lets you deform a mesh using a kelvinlet, as well as Mesh Fairing to let you visually remove parts of your mesh. Also new in this release is the ability to allow inverting of the Erase Displacement mesh filter, a new Paint Studio Light preset, Sculpt session stats, Face Set Edit delete Geometry operation, Plane deformation fall-off for the Grab tool, the ability to edit Grease Pencil strokes as curves, support for image sequences in the Trace Image feature, and support for interactively creating primitives with just two clicks. Read more