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Software

Fast Linux Application Launcher Ulauncher 5.3.0 Stable Released

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Software

Ulauncher is an open source application launcher for Linux that can be extended to perform various other tasks through addons. The application features fuzzy search, custom color themes, and it can browse through system directories. Under the hood, Ulauncher uses Python with GTK for the launcher user interface, and HTML/JS rendered in a Webkit frame for the preferences window.

Open it using a keyboard shortcut (Ctrl + Space by default), then type a few letters of your search query, use the Up / Down arrows to navigate through the results, and press the Enter key to launch the selected item. The Ulauncher window will close as soon as you press Enter. You may also launch an item using Alt + 1 for the first item in the Ulauncher list, Alt + 2 for the second, and so on. Don't worry if you have a typo - thanks to Ulauncher's fuzzy search, the application will figure out what you meant in most cases. Also, the launcher remembers your previous choices, automatically selecting them in the future.

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Excellent Utilities: Liquid Prompt – adaptive prompt for Bash & Zsh

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Software
HowTos

This is a new series highlighting best-of-breed utilities. We’re covering a wide range of utilities including tools that boost your productivity, help you manage your workflow, and lots more besides. There’s a complete list of the tools in this series in the Summary section.

The Command Line Interface (CLI) is a way of interacting with your computer. And if you ever want to harness all the power of Linux, it’s highly recommended to master it. It’s true the CLI is often perceived as a barrier for users migrating to Linux, particularly if they’re grown up using GUI software exclusively. While Linux rarely forces anyone to use the CLI, some tasks are better suited to this method of interaction, offering inducements like superior scripting opportunities, remote access, and being far more frugal with a computer’s resources.

For anyone spending time at the CLI, they’ll rely on the shell prompt. My favorite shell is Bash. By default, the configuration for Bash on popular distributions identifies the user name, hostname, and the current working directory. All essential information. But with Liquid Prompt you can display additional information such as battery status, CPU temperature, and much more.

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Software: Accounting, TrueCrypt Alternatives and Shotcut 19.09.14

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Software
  • 5 Popular Free and Open Source Accounting Software
  • 5 Best TrueCrypt Alternatives - Open source encryption apps

    If you want to protect your data from prying eyes, then you need to encrypt it. Previously many of us relied on Truecrypt to do this, however, as the popular encryption app was mysteriously discontinued, we have created this article to give you five alternatives to TrueCrypt.

    If you are serious about security, then you will do this yourself rather than using a third-party to do it for you. This is what is meant by end-to-end encryption (e2ee).

    But even if you are using e2ee, how do you know that the software is not doing something untoward? Such as secretly sending your encryption keys back to its developers, or creating a backdoor in the encryption.

    The only guarantee we can have against this is the use of open-source code. Only if a program can be freely examined to ensure it does what it is supposed to (and only what it is supposed to) can we place a reasonable amount of confidence in it.

  • Shotcut 19.09.14

    Shotcut is a free, open source, cross-platform video editor for Windows, Mac and Linux. Major features include support for a wide range of formats; no import required meaning native timeline editing; Blackmagic Design support for input and preview monitoring; and resolution support to 4k.

Safe Eyes – protect your eyes from eye strain

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Software

Many people who regularly use computers suffer from eye strain and fatigue. Looking at a monitor for a long time can strain your eyes or can make any other problems you are having with your eyes seem more apparent. There is also research to show that late-night exposure to bright lights can affect sleep quality. This can be mitigated by reducing blue-light exposure.

Some monitors offer various eye care technologies including flicker-free technology, and an ultra-low blue light filter with different filter settings. But even if your display offers eye care technology and it’s well designed e.g. offering hotkeys that let you easily adjust filter settings. there’s still a good case to use a software solution as well. This is because the software typically offers more flexibility, such as the ability to automatically adjust the backlight and screen temperature based on the ambient brightness in your surroundings, or on a time schedule.

There are lots of simple steps you can take to reduce eye strain and fatigue. These include adjusting the brightness, contrast settings, and text size displayed, as well as minimizing glare, and ensuring your room has proper lighting. Taking regular breaks is also very important. This is where Safe Eyes can help. It’s a clone of EyeElo, Windows proprietary software designed to protect your eyes.

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The Vivaldi 2.8 Release (Proprietary)

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Software
Web
  • Vivaldi 2.8 Released with Unified Sync Support for Desktop and Android

    Vivaldi Technologies released today the Vivaldi 2.8 web browser for desktop platforms, including GNU/Linux, macOS, and Windows, an incremental update that adds significant improvements.
    With Vivaldi 2.8, Vivaldi Technologies continues to give desktop users full control over their browsing experience by adding various improvements across the board, starting with Vivaldi Sync, which now lets you sync bookmarks, passwords, history, notes, and autofill information across desktop and mobile.

    That's right, starting with Vivaldi 2.8, all your browsing data will be automatically synchronized between your installations of Vivaldi on desktop platforms, such as Linux, Mac, or Windows, and your mobile device where Vivaldi for Android is installed if you use Vivaldi Sync.

  • New Version Vivaldi Web Browser Has Been Released, Install in Ubuntu/Linux

    Vivaldi is the new web browser compare to other famous browsers, the initial release of Vivaldi was in January, 2015. It has improved a lot and evolved since the first release. Basically it is based on the open-source frameworks of Chromium, Blink and Google's V8 JavaScript engine and has a lot of great feature which I will table later. It is known to be the most customizable browser for power users, debuts features that make browsing more personal than ever before.
    Do we really need another browser? Since we already have a lot of them such as mostly used Firefox, Chrome, Opera and so on. The former CEO of Opera Software Jon Von Tetzchner didn't liked the direction of Opera Web Browser and said "Sadly, it is no longer serving its community of users and contributors - who helped build the browser in the first place." Then created a web browser which has to be fast, rich feature, highly flexible and puts the user first, so Vivaldi was born.

  • Vivaldi 2.8: Inspires new desktop and mobile experiences

    Today we are launching a new upgrade to our desktop version – Vivaldi 2.8.

    We’re always focused on giving you complete control over your desktop experience, while also making sure to protect your privacy and security online.

    Vivaldi on the desktop has been our foundation. And now – our inspiration. It continuously pushes us forward to deliver a browser that is made for you.

  • Privacy and the rise of the alternative search engine

    Over the summer we opened our blog to guest bloggers eager to share their perspectives on privacy. In this story, Finn Brownbill explains how we can put an end to tracking in search for the purpose of data collection.

Top 15+ Best Script Writing Software for Linux in 2019

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Software

Script writing software is designed to play a vital role for writers from different writing sectors. As a newbie, it may not be simple to use. But, after a certain period, it comes handy for creating scripts for films, novels, and television programs. Linux has to offer a bunch of tools for script writing for both beginners and professionals. There is a wide range of applications that are open source and free. Moreover, if you want to get some extra bit of advanced features, you may need to spend some bucks.

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Kmdr – Display CLI Commands Explanation In Terminal

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Software

A while ago, we wrote about ExplainShell, a web-based tool to learn what each part of a Linux command does. It divides the complex and lengthy Linux commands into multiple parts and gives explanation for each part. Using this tool, a Linux newbie can learn about various command line parameters and options without having to refer man pages. However, It will only help you to learn Linux commands. But what if you want to learn other CLI commands, for example Python? You won’t find explanation of Python commands in ExplainShell. No worries! Today, I stumbled upon a similar tool named Kmdr that provides CLI commands explanation for hundreds of programs. It helps you to easily learn CLI commands without leaving the terminal and without having to go through lengthy man pages. Not just Linux commands, Kmdr provides explanation for a lot of CLI commands including ansible, conda, docker, git, go, kubectl, mongo, mysql, npm, ruby gems, vagrant and hundreds of other programs such as those built into bash.

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Samba 4.11

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Software
  • Samba 4.11.0 Available for Download
    Samba 4.11 has changed how the AD database is stored on disk. AD users should
    not really be affected by this change when upgrading to 4.11. However, AD
    users should be extremely careful if they need to downgrade from Samba 4.11 to
    an older release.
    
    Samba 4.11 maintains database compatibility with older Samba releases. The
    database will automatically get rewritten in the new 4.11 format when you
    first start the upgraded samba executable.
    
    However, when downgrading from 4.11 you will need to manually downgrade the AD
    database yourself. Note that you will need to do this step before you install
    the downgraded Samba packages. For more details, see:
    https://wiki.samba.org/index.php/Downgrading_an_Active_Directory_DC
    
    When either upgrading or downgrading, users should also avoid making any
    database modifications between installing the new Samba packages and starting
    the samba executable.
    
  • Samba 4.11 Released With Much Better Scalability While Disabling SMB1 By Default

    Samba 4.11 is out as the latest big feature update to this SMB/CIFS/AD implementation for offering better Windows interoperability with Linux and other platforms. The changes in Samba 4.11 are aplenty that we are a bit surprised it wasn't called Samba 5.0.

    Perhaps most exciting is Samba 4.11 having big scalability improvements to the point that it should be able to scale to 100,000+ users.

Best Essential Apps for Linux 2019

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Software

You might be a beginner looking to explore Linux and you are at a loss of what Apps you should essentially be using. So what are the best essential Apps for Linux? In this guide, we have put together a list of what we would consider as the most necessary applications that you should have in your Linux system to have a wholesome experience.

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Software: Lifeograph, LabPlot and LibreOffice

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KDE
LibO
Software
  • Lifeograph is an encrypted journal application for Windows, Linux and Android

    Keeping a journal is a nice way to reflect upon oneself. It can help you become a better person, nurture good habits, can be used for research, making budgets, make health related notes, or jot down anything else that you may want to keep a record of.

    When it comes to a diary application on computers, there aren't a lot of options. RedNotebook is probably the best one I have used. I wanted something better and that's how I stumbled across Lifeograph.

  • Chocolatey package for LabPlot available

    While we’re spending quite some time now finalizing the next release of LabPlot which will be announced soon, we continue getting feedback from our users and we try to incorporate as much as possible into the upcoming release.

    This feedback usually consists of different discussions around the existing features in LabPlot or features that need to be added in near future, around bugs, etc. Recently we’ve got a somewhat different feedback informing us about the availability of a Chocolatey package for LabPlot.

  • LineStyle Extension for LibO

    I update the LineStyles for LibreOffice for the 6.4 release but in addition I made an Extension for all users how like to have > 20 different predefined LineStyles.

  • BPMN Shapes for LibreOffice

    Two months ago I post my todo list for LibreOffice 6.4 and I my work is already available via LibreOffice extensions.

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More in Tux Machines

SUSE and Red Hat Leftovers

  • Skuba on SUSE CaaS Platform 4

    With SUSE CaaS Platform 4 we heard our customers feedback and decided to change what the lifecycle of the platform looks like. Previous versions of SUSE CaaS Platform included an administrator node that despite being useful for managing the whole platform, was another component to take care of, and an extra machine to take into account when deploying the platform. This administrator node used Salt to set up and maintain the Kubernetes cluster among the different nodes comprising your cluster. During this time, your feedback has been that a little more flexibility on the deployment was appreciated, so you could experiment with slightly different setups, even if they were for proof of concepts while you were fleshing out the details of production clusters.

  • Kubernetes Rolling Update Strategy in our production infra

    Kubernetes rolling update strategy means suppose we are running pod (containers) in our live infra and we want to update new changes into our running pod like build update, confrontational changes etc. While deployment new pod with new changes suppose our containers got stuck or failed due to any reason. So, we have to redeploy old pod with old changes again to avoid downtime of our application. This complete process is called rolling update strategy in Kubernetes. Kubernetes rolling update strategy Before moving to next we should aware about new pod deployment strategy of Kubernetes means how many new pods it will deploy at a time without taking downtime. Because high availability of our website is our first priority. So, while deploying new pod Kubernetes will deploy 25% or you can say one fourth of the total pod. Suppose we are running four pods first it will terminate 25% of total pod means one pod. Then it will launch 25% new pod and so on.

  • Tackle OpenStack networking woes with SUSE OpenStack Cloud Crowbar

    By far, the most difficult aspect of successfully deploying OpenStack is getting the networking right, a challenge that has caused many a well-intentioned IT team to throw up its hands and toss in the towel. Fortunately, SUSE OpenStack Cloud removes much of that pain by automating most of the network deployment and dramatically simplifying custom network set-ups.

  • Grow your virtualization environments without breaking the bank

    An IT director at a large financial services company shares the benefits and cost reductions they’ve experienced by switching to Red Hat Virtualization. In just three years, it’s paved the way for an efficient, stable and cost-effective virtualization environment.

  • How to Handle OpenShift Worker Nodes Resources in Overcommitted State

    One of the benefits in adopting a system like OpenShift is facilitating burstable and scalable workload. Horizontal application scaling involves adding or removing instances of an application to match demand. When OpenShift schedules a Pod, it’s important that the nodes have enough resources to actually run it. If a user schedules a large application (in the form of Pod) on a node with limited resources , it is possible for the node to run out of memory or CPU resources and for things to stop working! It’s also possible for applications to take up more resources than they should. This could be caused by a team spinning up more replicas than they need to artificially decrease latency or simply because of a configuration change that causes a program to go out of control and try to use 100% of the available CPU resources. Regardless of whether the issue is caused by a bad developer, bad code, or bad luck, what’s important is how a cluster administrator can manage and maintain control of the resources. In this blog, let’s take a look at how you can solve these problems using best practices.

  • How the new Quarkus extension for Visual Studio Code improves the development experience

    Earlier this year, we were introduced to Quarkus, the next-generation, container-first framework for Java applications. As expected, such new frameworks and technologies make way for new developer tools focused on making the development experience even better. The recent Quarkus extension for Visual Studio Code release aims to do just that, by bringing features specific to Quarkus project development within VS Code. The new VS Code extension is dependent on a couple of Java extensions for VS Code, so it is recommended that you have the Java Extension Pack installed. This article outlines what the Quarkus extension for VS Code has to offer: convenient features for an already convenient Java framework.

Security: New Updates and "Optimizing KVM Virtualization Performance Stemming From Spectre"

  • Security updates for Monday

    Security updates have been issued by Debian (expat, php-pecl-http, and php7.0), Fedora (ImageMagick, jackson-annotations, jackson-bom, jackson-core, jackson-databind, and rubygem-rmagick), Mageia (chromium-browser-stable, ibus, kernel, samba, and thunderbird), openSUSE (chromium), Oracle (dovecot and kernel), Red Hat (dbus, kernel, kernel-alt, and kpatch-patch), Scientific Linux (dovecot and kernel), and SUSE (expat, ibus, kernel, kernel-source-rt, nmap, openssl, and webkit2gtk3).

  • Red Hat Working On Optimizing KVM Virtualization Performance Stemming From Spectre

    Red Hat's Andrea Arcangeli sent out an interesting patch series on Friday to micro-optimize the Kernel-based Virtual Machine (KVM) to enhance the VMEXIT performance in wake of Spectre mitigations. The "KVM monolithic" patch series ends up linking the KVM common code both into kvm-intel and kvm-amd so that the common "kvm" kernel module can be dropped. This occupies more disk space but should yield better run-time performance particularly for systems mitigated against Spectre Variant Two.

  • 10 Best Anonymous Browser Apps for Android to Stay Incognito

    Android isn’t the most secure platform out there, but with the 10 best apps for anonymous browsing, you can greatly enhance your privacy online. Today we’ll define what anonymous browsing actually entails, run through 10 essential Android apps, and present the 2 best Android VPNs for the ultimate mobile cybersecurity.

Kernel: AMD Navi 10 Firmware and Linux 5.4 Additions

  • AMD Navi 10 Firmware Finally Lands In The Linux-Firmware Tree

    While AMD has provided open-source Radeon RX 5700 series (Navi 10) support since launch and that code since worked into the various mainline code-bases from the Linux kernel to Mesa, one kink in their support has been their binary microcode images not being available from the reference linux-firmware.git location as needed to initialize the hardware. That Navi 10 firmware/microcode issue has finally been rectified with the images landing this morning. Up until now any Radeon RX 5700 series Linux customers or distribution/third-party driver packagers have had to pull these binary bits from this Navi10 directory on the personal site of AMDGPU lead maintainer Alex Deucher. Via his site is where he normally stages these binary microcode files until landing in linux-firmware.git as the de facto location for all Linux drivers' firmware files.

  • Linux 5.4 Brings Support For Wacom's MobileStudio Pro 13, Logitech Lightspeed Receivers

    Jiri Kosina on Sunday sent out the HID subsystem updates for the in-development Linux 5.4 kernel. The HID pull once again features support for several new devices particularly on the Logitech side.

  • Wireless USB + UWB Demotion Goes Ahead For Linux 5.4

    Back in August I noted that Wireless USB and Ultra Wideband would be deprecated within the Linux kernel and that is indeed happening for Linux 5.4. The Wireless USB (WUSB) and Ultra Wideband (UWB) subsystems within the Linux kernel were already orphaned for years with having no maintainer while now they are officially deprecated and demoted to the kernel's staging area. If no one steps up soon to maintain the code, it will be dropped in forthcoming kernel releases.

Videos from LibreOffice Conference 2019: OpenDocument Format

LibreOffice can open documents in many formats, including Microsoft Office files (.docx, .xlxs, .pptx). But it’s native file format is the fully open and standardised OpenDocument Format (ODF). At the recent LibreOffice Conference 2019 in Spain, community members gave presentations about news and updates for ODF. So, here are the first videos from the presentations (use headphones for best audio quality). Read more