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OPENSOURCE.COM
3 OPEN SOURCE ALTERNATIVES TO ADOBE LIGHTROOM SECURE YOUR CONTAINERS WITH SELINUX This quote really resonates when it comes to containers' basic defense. To avoid problems (battles), make sure that your container host is secure and that you can use SELinux as your first line of defense. SELinux is an open source project released in 2000 and integrated into the Linux kernel in 2003. IMPROVE LINUX SYSTEM PERFORMANCE WITH NOATIME HOW TO SET UP CUSTOM SENSORS IN HOME ASSISTANT In the last article in this series about home automation, I started digging into Home Assistant. I set up a Zigbee integration with a Sonoff Zigbee Bridge and installed a few add-ons, including Node-RED, File Editor, Mosquitto broker, and Samba. I wrapped up by walking through Node-RED's configuration, which I will use heavily later on inthis series.
THE CASE FOR MAKING THE TRANSITION FROM SYSADMIN TO DEVOPS The premise is Infrastructure as Code. Everything is software, and software is everything. Essentially, some rethinking is necessary if the sysadmin of the future is to remain relevant. SysAdmins come from the Ops side and have to be able to effectively work with developers and vice versa. Two heads are definitely better than one. BUILD A PRIVATE CHAT SERVER WITH A RASPBERRY PI AND ROCKET The internet offers plenty of free messaging services. Applications like WhatsApp and Viber are part of our daily life and are the most common way we communicate with relatives and friends. But security awareness is increasing the demand for a truly private chat solution. Furthermore, messaging apps take up a lot of space in our devices, so an alternative chat channel could be useful to share A DEVOPS GUIDE TO DOCUMENTATION THE LIFE-CHANGING MAGIC OF GIT REBASE -I Software development is messy. So many wrong turns, typos to fix, quick hacks and kludges to correct later, off-by-one errors you find late in the process. With version control, you have a pristine record of every wrong turn and correction made during the process of creating the "perfect" final product—a patch ready to submit upstream. Like the outtakes from movies, they are a little GITOPS VS. DEVOPS: WHAT'S THE DIFFERENCE? DevOps is for everyone. Now there is an evolved version of DevOps called GitOps: GitOps is the practice of using Git as the single source of truth. Many enterprises are seeking to move to a GitOpos model because it provides a more standardized and governed system yet offers the flexibility and automation that today's companies desire. 8 CI/CD BEST PRACTICES TO SET YOU UP FOR SUCCESSSEE MORE ONOPENSOURCE.COM
3 OPEN SOURCE ALTERNATIVES TO ADOBE LIGHTROOM SECURE YOUR CONTAINERS WITH SELINUX This quote really resonates when it comes to containers' basic defense. To avoid problems (battles), make sure that your container host is secure and that you can use SELinux as your first line of defense. SELinux is an open source project released in 2000 and integrated into the Linux kernel in 2003. IMPROVE LINUX SYSTEM PERFORMANCE WITH NOATIME HOW TO SET UP CUSTOM SENSORS IN HOME ASSISTANT In the last article in this series about home automation, I started digging into Home Assistant. I set up a Zigbee integration with a Sonoff Zigbee Bridge and installed a few add-ons, including Node-RED, File Editor, Mosquitto broker, and Samba. I wrapped up by walking through Node-RED's configuration, which I will use heavily later on inthis series.
THE CASE FOR MAKING THE TRANSITION FROM SYSADMIN TO DEVOPS The premise is Infrastructure as Code. Everything is software, and software is everything. Essentially, some rethinking is necessary if the sysadmin of the future is to remain relevant. SysAdmins come from the Ops side and have to be able to effectively work with developers and vice versa. Two heads are definitely better than one. BUILD A PRIVATE CHAT SERVER WITH A RASPBERRY PI AND ROCKET The internet offers plenty of free messaging services. Applications like WhatsApp and Viber are part of our daily life and are the most common way we communicate with relatives and friends. But security awareness is increasing the demand for a truly private chat solution. Furthermore, messaging apps take up a lot of space in our devices, so an alternative chat channel could be useful to share 7 OPEN SOURCE Q&A PLATFORMS Where do you go when you have a question? Since humans began walking the earth, we've asked the people around us—our family, friends, neighbors, classmates, co-workers, or other people we know well. Much later came libraries and bookstores offering knowledge and resources, as well as access for anyone to come in and search for the answers. When the home computer became BUILD A COMMUNITY OF PRACTICE IN 5 STEPS In the first part of this series, we defined community as a fundamental principle in open organizations, where people often define their roles, responsibilities, and affiliations through shared interests and passions, not title, role, or position on an organizational chart.Then, in the second part of the series, we explored the many benefits communities of practice bring to openorganizations
TUNE YOUR MYSQL QUERIES LIKE A PRO 1 day ago · The big changes are that country.name as 'Country' was changed to 'United Kingdom' AS 'Country' and the WHERE clause went from looking in the country table to the city table. The optimizer determined that these two changes will provide a faster result than the original query. Indexes. You will hear indexes and keys used interchangeably in the MySQL-verse. NEW OPEN SOURCE AGRICULTURE PROJECT, STACK OVERFLOW SURVEY 17 hours ago · Read on to learn more about what made news in the open source world last month. Linux Foundation launches open source agriculture infrastructure project A wave of new artificial intelligence (AI) and Internet of Things (IoT)-connected tools has reached the agricultural space. The Linux Foundation announced a new project, called AgStack Foundation, to boost open sourceinfrastructure
IDENTIFY SECURITY PROPERTIES ON LINUX USING CHECKSEC Compiling source code produces a binary. During compilation, you can provide flags to the compiler to enable or disable certain properties on the binary. Some of these properties are relevant to security. Checksec is a nifty little tool (and shell script) that, among other functions, identifies the security properties that were built into a binary when it was compiled. A compiler might enable MAKING PORTABLE FUNCTIONS ACROSS SERVERLESS PLATFORMS 5 hours ago · Get Funqy the next time you hit a serverless dance floor. The Quarkus Funqy extension supports a portable Java API for developers to write serverless functions and deploy them to heterogeneous serverless runtimes, including AWS Lambda, Azure Functions, Google Cloud, and Knative. It is also usable as a standalone service. Funqy helps developers dance on the serverlessfloor without
TEST ARBITRARY POD FAILURES ON KUBERNETES WITH KUBE-MONKEY I have covered multiple chaos engineering tools in this series. The first article in this series explained what chaos engineering is; the second demonstrated how to get your system's steady state so that you can compare it against a chaos state; the third showed how to use Litmus to test arbitrary failures and experiments in your Kubernetes cluster; and the fourth article got into Chaos Mesh ANALYZE COMMUNITY HEALTH METRICS WITH THIS OPEN SOURCE 1 day ago · Community managers, maintainers, and foundations seek metrics and insights about open source communities. Because each open source project works differently, its data needs to be analyzed differently. Yet, all projects share common challenges with getting data and creating visualizations. This presents an ideal use case for an open source project to solve this problem generically with the SET AND USE ENVIRONMENT VARIABLES IN FREEDOS A useful feature in almost every command-line environment is the environment variable. Some of these variables allow you to control the behavior or features of the command line, and other variables simply allow you to store data that you might need to reference later. Environment variables are also used in FreeDOS. WHAT HAPPENS WHEN YOU TERMINATE KUBERNETES CONTAINERS ON 5 hours ago · Now I'll wrap up this birthday present by putting it all together. Along with Grafana and Prometheus for monitoring for a steady state on your local cluster, I'll use Chaos Mesh and a small deployment and two experiments to see the difference between steady and not steady, as well as Pop!_OS 20.04, Helm 3, Minikube 1.14.2, andKubernetes 1.19.
WHAT IS OPEN GOVERNMENT? What is open government? In general terms, an open government is one with high levels of transparency and mechanisms for public scrutiny and oversight in place, with an emphasis on government accountability. Transparency is considered the traditional hallmark of an open government, meaning that the public should have access togovernment-held
OPEN SOURCE PDF READERS, CREATORS, AND EDITORSLINUXVIRTUALIZATIONWHAT IS OPEN SOURCEPYTHON GUI FRAMEWORKSALTERNATIVES TO TRELLODOCKER LibreOffice Draw does a fantastic job of editing PDF files, giving you full access to the text and images. There are caveats to this, because of the flexibility of the PDF format. If you haven't installed the fonts used in the PDF, then the flow of text could change due to font substitution,. If the PDF was created from a scan, then you'll only 3 OPEN SOURCE ALTERNATIVES TO ADOBE LIGHTROOM HOW TO DUAL-BOOT LINUX AND WINDOWS Once you have downloaded and launched Etcher, click Select image, and point it to the Ubuntu ISO you downloaded in step 4.Next, click Select drive to choose your flash drive, and click Flash! to start the process of turning a flash drive into an Ubuntu installer. (If you're using a DVD-R, use your computer's DVD-burning software instead.) Install Windows and Ubuntu CREATE A REAL-TIME OBJECT TRACKING CAMERA WITH TENSORFLOW This article will cover: Build materials and hardware assembly instructions. Deploying a TensorFlow Lite object-detection model (MobileNetV3-SSD) to a Raspberry Pi.; Sending tracking instructions to pan/tilt servo motors using a proportional–integral–derivative (PID) controller.; Accelerating inferences of any TensorFlow Lite model with Coral's USB Edge TPU Accelerator and HOW AND WHY TO USE CREATIVE COMMONS LICENSED WORK Creative Commons (CC) copyright is a series of copyright licenses that make it easy for creators to share their work and adapt the work of others. Just because something is online doesn’t mean you are free to use it however you like. How do I know if a work has a CC license? If you don’t see a Creative Commons license on the work or the creator doesn’t tell you their work is free to use HOW TO USE YOUR RASPBERRY PI AS A VPN SERVER In 2019, is there anything that the mighty, $35, credit card-sized Raspberry Pi computer can't do? It seems there isn't; recent Raspberry Pi projects include a functional smartphone, a computer vision kit, and even a movie projector for a more traditional home theater experience.. A Raspberry Pi (RPi) can even be turned into a server for virtual private networking (VPN). MANAGE NTP WITH CHRONY THE CASE FOR MAKING THE TRANSITION FROM SYSADMIN TO DEVOPSAZURE DEVOPS ADMINISTRATORDEVOPS SOFTWAREDEVOPS SYSTEM ENGINEERMS PLANNER AND AZURE DEVOPSWHAT IS AZURE DEVOPS TOOL The premise is Infrastructure as Code. Everything is software, and software is everything. Essentially, some rethinking is necessary if the sysadmin of the future is to remain relevant. SysAdmins come from the Ops side and have to be able to effectively work with developers and vice versa. Two heads are definitely better than one. HOW TO INSTALL JAVA ON LINUX No matter what operating system you're running, there are usually several ways to install an application. Sometimes you might find an application in an app store, or you might install it with a package manager like DNF on Fedora or Brew on Mac, and other times, you might download an executable or an installer from a website. Because Java is such a popular backend for so many WHAT IS OPEN GOVERNMENT? What is open government? In general terms, an open government is one with high levels of transparency and mechanisms for public scrutiny and oversight in place, with an emphasis on government accountability. Transparency is considered the traditional hallmark of an open government, meaning that the public should have access togovernment-held
OPEN SOURCE PDF READERS, CREATORS, AND EDITORSLINUXVIRTUALIZATIONWHAT IS OPEN SOURCEPYTHON GUI FRAMEWORKSALTERNATIVES TO TRELLODOCKER LibreOffice Draw does a fantastic job of editing PDF files, giving you full access to the text and images. There are caveats to this, because of the flexibility of the PDF format. If you haven't installed the fonts used in the PDF, then the flow of text could change due to font substitution,. If the PDF was created from a scan, then you'll only 3 OPEN SOURCE ALTERNATIVES TO ADOBE LIGHTROOM HOW TO DUAL-BOOT LINUX AND WINDOWS Once you have downloaded and launched Etcher, click Select image, and point it to the Ubuntu ISO you downloaded in step 4.Next, click Select drive to choose your flash drive, and click Flash! to start the process of turning a flash drive into an Ubuntu installer. (If you're using a DVD-R, use your computer's DVD-burning software instead.) Install Windows and Ubuntu OPEN SOURCE ORGANIZATIONS AND FOUNDATIONS Open Source Matters. Open Source Matters (OSM) is a nonprofit organization, incorporated in the United States, created to serve the financial and legal interests of the Joomla project. OSM engages in regular self-assessment to ensure it is accountable to Joomla and acting in Joomla's interest. TOP OPEN SOURCE PHOTO ORGANIZERS Lightzone is a free and open source software for high-end photo editing and management. It's a Java application, so it's available on any platform that runs Java (Linux, MacOS, Windows, BSD, and others). Darktable is a photo studio, digital darkroom, and photo manager all in one application. You can tether your camera directly to it, or sync 5 OPEN SOURCE ALTERNATIVES TO TRELLO Kanboard. Kanboard is a fairly minimalist entry into the world of open source kanban boards. But don't let the minimal interface fool you, it still hosts a number of features including task searching and filtering, subtasks, attachments, commenting, and more, as well as some decent analytics and reporting options. 5 HANDY GUIDES TO OPEN SOURCE FOR TEACHERS For some teachers, summer is here and thus a long (hopefully, relaxing) break. All the teachers I know are proud lifelong learners, though, and at the end of the summer break there's a new school year awaiting. To help you get the most out of your summer, but also satiate the real need to plan for the coming school year, we've collected some of our favorite concise guides to help you plan. TEST ARBITRARY POD FAILURES ON KUBERNETES WITH KUBE-MONKEY 1 day ago · I have covered multiple chaos engineering tools in this series. The first article in this series explained what chaos engineering is; the second demonstrated how to get your system's steady state so that you can compare it against a chaos state; the third showed how to use Litmus to test arbitrary failures and experiments in your Kubernetes cluster; and the fourth article gotinto Chaos Mesh
TEST YOUR KUBERNETES EXPERIMENTS WITH AN OPEN SOURCE WEB The fourth article introduces Chaos Mesh, an open source chaos orchestrator with a web user interface (UI) that anyone can use.It allows you to create experiments and display statistics in a web UI for presentations or visual storytelling. ANALYZE COMMUNITY HEALTH METRICS WITH THIS OPEN SOURCE Community managers, maintainers, and foundations seek metrics and insights about open source communities. Because each open source project works differently, its data needs to be analyzed differently. Yet, all projects share common challenges with getting data and creating visualizations. This presents an ideal use case for an open source project to solve this problem generically with the GET STARTED WITH KUSTOMIZE FOR KUBERNETES CONFIGURATION Preparing to run a new (or convert an existing) application in Kubernetes takes work. Working with Kubernetes requires defining and creating multiple "manifests" for the different types of objects in your application. Even a simple microservice is likely to have a deployment.yaml, service.yaml, configmap.yaml, and other files. These declarative YAML files for Kubernetes are usually known as PLAY DOOM ON KUBERNETES Do you ever feel nostalgic for Doom and other blocky video games, the ones that didn't require much more than a mouse and the hope that you could survive on a LAN with your friends? You know what I'm talking about; the days when your weekends were consumed with figuring out how you could travel with your desktop and how many Mountain Dews you could fit in your cargo pants WHY MY NEED FOR CONTROL MADE ME SWITCH TO LINUX David Both - David Both is an Open Source Software and GNU/Linux advocate, trainer, writer, and speaker who lives in Raleigh North Carolina. He is a strong proponent of and evangelist for the "Linux Philosophy." David has been in the IT industry for nearly 50 years. He has taught RHCE classes for Red Hat and has worked at MCI Worldcom, Cisco, and the State of North Carolina. We use cookies on our websites to deliver our online services. Details about how we use cookies and how you may disable them are set out in our Privacy Statement. By using this
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Seth Kenlon (Red Hat) 51 votes SUBSCRIBE TO OUR WEEKLY NEWSLETTER Get the highlights in your inbox every week. INSTALL HUB TO MAKE YOUR GIT COMMAND-LINE AS FULLY FEATURED AS GITHUB If you prefer to work from the command line, try hub, a command-linetool for GitHub.
Sudeshna Sur (Red Hat) 24 Mar 2020 20 votes AN SRE'S GUIDE TO MEMCACHED FOR BUILDING SCALABLE APPLICATIONS The core of a site reliability engineer's job is building scalable applications and infrastructure. Moshe Zadka (Correspondent) 24 Mar 2020 18 votes DOWNLOAD THE ULTIMATE DEVOPS HIRING GUIDE Build your DevOps team with these best practices for prospective employees and hiring managers.Download now
HOW TO REPLACE CALDAV WITH A SECURE CALENDAR PROTOCOL CalDAV has served us well, but its security and privacy risks mean it's time to move on. Ivan Kupalov 24 Mar 2020 12 votes WHY I USE WORDPRESS FOR EDUCATION This flexible publishing platform can replace traditional word processing in classrooms and educational settings. Don Watkins (Correspondent) 24 Mar 2020 16 votes2 comments
DON'T LOVE DIFF? USE MELD INSTEAD Meld is a visual diff tool that makes it easier to compare and merge changes in files, directories, Git repos, and more. Ben Nuttall (Correspondent) 23 Mar 2020 12 votes 4comments
5 SCRIPTS FOR AUTOMATING BASIC COMMUNITY MANAGEMENT TASKS If you have to do something three times, try to automate it. Rich Bowen (Red Hat) 23 Mar 2020 19 votes 1 comment HOW TO CREATE A PERSONAL FILE SERVER WITH SSH ON LINUX Connecting to a remote Linux system over SSH is just plain easy. Here's how to do it. Jim Hall (Correspondent) 23 Mar 2020 26 votes 2comments
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