These days high availability and database clustering are very important for highly loaded production applications. If your server is down for a fraction of time, you are losing customers and money.
MariaDB/MySQL Auto-?lustering with Load Balancing and Replication for High Availability and Performance
3 open source tools for producing video tutorials
I've learned that video tutorials are a great way to teach my students, and open source tools have helped me take my video-production skills to the next level. This article will explain how to get started and add artfulness and creativity to your video tutorial projects.
The effects of adding users to a Linux system
When you add a new user to a Linux system, you also change several files. Do you know all of them?
License to thrill: Ahead of v13.0, the FreeBSD team talks about Linux and the completed toolchain project that changes everything
'For many ... vendors, the BSD license is very important compared to the GPL'. It's not as well known as Linux, but FreeBSD has plenty of hardcore fans. In a wide-ranging chat covering licensing, architectures including RISC-V, and a development model that's free of a "dictator", The Reg spoke to members of the project about new release features and more.…
Star LabTop Mk III Linux Laptop Owners Also Get Coreboot Support
UK Linux computer manufacturer Star Labs announced today on Twitter that they made the Coreboot open-source firmware available to owners of the Star LabTop Mk III Linux laptop.
How to Install Arkime Full Packet Capture tool on Ubuntu 20.04
Arkime, also known as Moloch, is an open-source and large-scale indexed packet capture and search tool. In this post, we will show you how to install the Arkime Packet Capture tool on Ubuntu 20.04.
Understanding file names and directories in FreeDOS
The open source operating system FreeDOS is a tried-and-true project that helps users play retro games, update firmware, run outdated but beloved applications, and study operating system design. FreeDOS offers insights into the history of personal computing (because it implements the de facto operating system of the early '80s) but in a modern context. In this article, I'll use FreeDOS to explain how file names and extensions developed.
Keeping Linux files and directories in sync with rsync
File synchronization made easy and efficient with rsync
How to Install Latest openSUSE TumbleWeed
The last month we have written a Complete guided article on How to Install Opensuse Leap 15.2; after that, we have received multiple requests for a Tumbleweed guide. opensuse Leap and opensuse Tumbleweed Installation are completely identical because both use the YAST2 installer. Once you know how to Install Tumbleweed, you can easily Install openSUSE Leap.
New Mobile Native Foundation to Foster Development Collaboration
Linux Foundation hosts effort to improve processes and technologies for large-scale mobile Android and iOS applications; Lyft makes initial contributions SAN FRANCISCO, Calif., March 2, 2021 – The Linux Foundation, the nonprofit organization enabling mass innovation through open source, today announced the Mobile Native Foundation (MNF). The MNF will bring developers together to improve processes […]
KDE Plasma 5.22 - New Features and Release Date
With the prior KDE Plasma 5.21 is out and stable in the wild, we give you a glimpse of upcoming new features of KDE Plasma 5.22 and tentative release plans.
Finally, MEGAsync is live on Flathub!
On Feburary 2021, my dream came to life as Flathub team just added MEGAsync to the repository. I jumped to my terminal and installed it using a solely command line. After the installation completed, I started the app and everything just works. So, how to install MEGAsync Flatpak version on your Linux system?
First Look at Ubuntu’s New Desktop Installer
Today, Canonical’s Ubuntu Desktop team announced that Ubuntu’s upcoming new Desktop Installer is now available for public testing, so I wanted to give you a first look at the new design and features.
Take the first global open source maintainer survey
Nadia Eghbal's 2016 Ford Foundation report on open source software infrastructure shed light on the problem of public code being built and maintained in large part by unpaid volunteers. Since then, the industry has been eager to understand how and why maintainers do this and what we can collectively do to support them better.
Linux sysadmins: What's your favorite IDE?
If you program or script in Linux, what's your favorite IDE? The old standby vi or something a little newer?
SparkyLinux 2021.03 Gets First-Ever KDE Plasma Edition with Debian 11
SparkyLinux releases its first 2021 edition with the first-ever KDE Plasma flavor and it is based upon Debian 11 "Bullseye". And this release brings all packages and desktop base to its latest versions.
Using Nmap results to help harden Linux systems
You don't know what's vulnerable until you know what's exposed. Nmap can help you find out what.
How to update the ONLYOFFICE Docs Docker version on Ubuntu
ONLYOFFICE Docs is an open-source office suite distributed under GNU AGPL v3.0. It comprises web-based collaborative editors for text documents, spreadsheets, and presentations highly compatible with OOXML formats (docx, xlsx, pptx).
Is openSUSE Leap Ready to Be the New CentOS?
OpenSUSE Leap is set to become an identical twin to the commercial distribution SUSE Linux Enterprise in a way that CentOS never was to RHEL.
Sign of the primes: Linux Foundation serves up free code-signing service
Cryptographic software assurance backed by Google, Red Hat, Purdue U. The Linux Foundation, with the support of Google, Red Hat, and Purdue University, is launching a service called sigstore to help developers sign the code they release.…
LINUX,RED HAT, LXER.COM
FSFâ€™s LibrePlanet 2021 Free Software Conference Is This Weekend, Online Only
On Saturday and Sunday, March 20th and 21st, 2021, free software supporters from all over the world will log in to share knowledge and experiences, and to socialize with others within the free software community. This year’s theme is “Empowering Users,” and keynotes will be Julia Reda, Nathan Freitas, and Nadya Peek. Free Software Foundation (FSF) associate members and students attend gratis at the Supporter level.
How to increase the disk space of an AWS EC2 Ubuntu instance
In this article, we will increase the disk space of the boot volume (root partition) with the filesystem of type ext4 of Ubuntu 20.04 Server.
Google Funds Two Full-Time Linux Security Developers
To help Linux maintainers stay ahead of the black hats, Google has funded two full-time Linux security developers.
Cast your Android device with a Raspberry Pi
It's hard to stay away from the gadgets we use on a daily basis. In the hustle and bustle of modern life, I want to make sure I don't miss out on the important notifications from friends and family that pop up on my phone screen. I'm also busy and do not want to get lost in distractions, and picking up a phone and replying to messages tends to be distracting.
ANDROID,LINUX,RASPBERRY PI, LXER.COM
How To Install & Set Up VirtualBox on Linux
Today, I’m going to guide you as to how you can install and set up VirtualBox on Deepin Linux (but you can follow along regardless of the OS you use, as the software is cross-platform).
Lenovo M93 Ultra Small PC Running Linux – Week 1
We previously published a series of articles on the AWOW AK41, an inexpensive quad-core mini PC. Rather than put a different mini PC under the spotlight, we plumped for an enticing alternative, a refurbished Lenovo Ultra Small Desktop PC. This is the first in a new series looking at running Manjaro on a refurbished Lenovo M93 Ultra Small Desktop PC.
How Secure Is Linux?hegt/he
It is no secret that the OS you choose is a key determinant of your security online. After all, your OS is the most critical software running on your computer - it manages its memory and processes, as well as all of its software and hardware. The general consensus among experts is that Linux is a highly secure OS - arguably the most secure OS by design. This article will examine the key factors that contribute to the robust security of Linux, and evaluate the level of protection against vulnerabilities and attacks that Linux offers administrators and users.
IP67-rated edge AI gateway runs Linux on Jetson Xavier NX
Axiomtek’s rugged, IP67-protected “AIE800-904-FL”edge AI computer runs Ubuntu 18.04 on a Jetson Xavier NX with GbE with PoE, HDMI, 2x USB 2.0, M.2 B-key for NVMe, and mini-PCIe with SIM. The AIE800-904-FL follows other edge AI gateways featuring Nvidia’s Jetson Xavier NX module including Axiomtek’s own recent AIE100-903-FL-NX. While that slightly more feature rich, dual-LAN […]
Building a Linux container by hand using namespaces
How user namespaces in Linux relate to container security.
How to Setup APT Proxy on Ubuntu 20.04 LTS
A proxy server is an intermediate server that sits between the client computer and the internet. In this tutorial, we will show you how to set up proxy settings and apt-proxy in Ubuntu 20.04 Server and Desktop system.
How To Get Sound (PulseAudio) To Work On WSL2
This article explains how to get sound (PulseAudio) to work on WSL2 under Microsoft Windows.
Robotics kit runs AI code on Myriad X, Coral Edge TPU, and Elkhart Lake GPU
The “Fast Sense X Robotics AI Platform” runs Lubuntu and ROS on Intel’s Elkhart Lake with up to 2x Myriad X and 3x Coral Edge TPU M.2 accelerators for up to 20-TOPS AI. Moscow-based startup Fast Sense Studios unveiled an 84 x 55 x 30mm, Intel Elkhart Lake based embedded computer comprised of 3x stacked […]
How to use Poetry to manage your Python projects on Fedora
Manage your Python projects on Fedora using Poetry!
Hunting Excel date twins
Excel files can sometimes contain the same record with dates four years and one day apart. These pseudo-duplicates are the result of Microsoft's choice of starting date for serial date numbers. The issue is explained in this post and I demonstrate one way to find Excel date pairs with command-line tools.
9to5Linux Weekly Roundup: March 7th, 2021
The twenty-third installment of the 9to5Linux Weekly Roundup is out, for the week ending on March 7th, keeping you guys up to date with the most important things happening in the Linux world.
Linus Torvalds issues early Linux Kernel update to fix swapfile SNAFU
‘Subtle and very nasty bug’ meant 5.12 rc1 could trash entire filesystems
Linux Pee Command - Tee Standard Input Into Multiple Pipelines
The pee command is similar to tee, but with pipes! This utility can take standard input and feed it into multiple pipes.
How to manipulate strings in bash
All bash variables are by default treated as character strings. Therefore more often than not, you need to manipulate string variables in various fashions while working on your bash script. This bash tutorial presents a comprehensive list of useful string manipulation tips for bash scripting.
Easy Way Install Blender 3D On Linux Ubuntu!
Blender 3D is a very powerful open source 3D application. Many companies or individuals use this application (based on data from HG Insight) for 3D modeling, animation, or interior design, and many others. Blender 3D is available for various platforms, one of which is Linux. Linux users can install this application using the following methods!
Python generators are very powerful for handling operations which require large amount of memory. Check this post to learn about Python generators.
Hands-On with Raspup on Raspberry Pi 4: Puppy Linux for Tinkerers
At the request of some of my readers, I decided to review the Raspup Linux distribution on the Raspberry Pi, a port of the lightweight Puppy Linux distro optimized for Raspberry Pi devices.
DISTRIBUTIONS,LINUX,RASPBERRY PI, LXER.COM
The Linux desktop is boring again, and that's a good thing
Jack Wallen has become nostalgic for the Linux desktop days of old. What does that say for the current state of the UI?
Track your family calendar with a Raspberry Pi and a low-power display
Some families have a complex schedule: the kids have school and afterschool activities, you have important events you want to remember, everyone has multiple appointments, and so forth. While you can keep track of everything using your cellphone and an app, wouldn't it be better to have a large, low-power display at home to show your family's calendar? Meet the E Ink calendar!
LXER.COM, RASPBERRY PI
SparkyLinux Finally Gets a KDE Plasma Edition, Xfce Flavor Updated to Xfce 4.16
The developers behind the Debian-based SparkyLinux distribution released today SparkyLinux 2021.03 as March 2021’s update of their semi-rolling line and the first to introduce a KDE Plasma edition.
How to Mount Windows NTFS Partition in Linux
This is quite common for Dual Boot users who use Windows and Linux simultaneously for their work. You can easily mount Windows partitions through File Manager.
Linux Kernel 5.12 RC2 Released Early, Fixing the Scary Swap File Bug
The second release candidate of Linux Kernel 5.12 is out early because of a nasty swap file bug. And do not use Linux Kernel 5.12 RC1 for testing, you may lose data.
SystemRescue 8.00 Released with Linux 5.10 LTS, Xfce 4.16, and Improved exFAT Support
The Arch Linux-based SystemRescue (formerly SystemRescueCd) live system for system rescue and recovery tasks has been updated today to version 8.00, a major release that introduces new technologies and updated tools.
How To Restore Or Recover Deleted Commands In Linux
In this brief tutorial, we will learn how to restore or recover deleted commands in Linux using coreutils and busybox.
How To Fix "Implementation of the USB 2.0 controller not found!" VirtualBox Error In Linux
This brief guide explains how to fix "Implementation of the USB 2.0 controller not found!" error in VirtualBox in Linux.
Manage containers on Raspberry Pi with this open source tool
Containers became widely popular because of Docker on Linux, but there are much earlier implementations, including the jail system on FreeBSD. A container is called a "jail" in FreeBSD terminology. The jail system was first released in FreeBSD 4.0 way back in 2000, and it has continuously improved since. While 20 years ago it was used mostly on large servers, now you can run it on your Raspberry Pi.
LINUX,RASPBERRY PI,VIRTUALIZATION, LXER.COM