#controlplane

[dclessonsonline]

Are you ready to delve into the world of Locator/ID Separation Protocol (LISP) and understand its pivotal role in network architecture? DC Lessons presents an insightful course designed for IT professionals, network engineers, and anyone eager to master the innovative technology of LISP. https://www.dclessons.com/lisp-control-data-plane-fundamentals

[jamercado]

Install Kubernetes, Controlplane and Workers

Hey Folks! In a previous article about Kube infra, we introduced control-plane and workers concepts. For the possibility of working with a Kubernetes cluster, we need to install the software hands-on. Here is a simple guide for you and Happy Learning!

In a previous article about Kubernetes infrastructure, we introduced control-plane and workers concepts. The functionality, how is the relation between both and what are the roles of each one. For better knowledge about the components, and the possibility to know working with a Kubernetes cluster, we need to install the software hands-on. Install Kubernetes Software Creating a Kubernetes…

[hackernewsrobot]

Why the hell is your Kubernetes API public?

https://leebriggs.co.uk/blog/2024/03/23/why-public-k8s-controlplane

[vivedsl]

14 Kubernetes and Cloud Security Challenges and How to Solve Them

Recently, Andrew Martin, founder and CEO of ControlPlane, released a report entitled Cloud Native and Kubernetes Security Predictions 2023. These predictions underscore the rapidly evolving landscape of Kubernetes and cloud security, emphasizing the need for organizations to stay informed and adopt comprehensive security solutions to protect their digital assets. In response, Uptycs, the first…

[dockerdummy]

Kubernetes Task: assign a POD to a Node via Node Affinity - Cheat Sheet

Kubernetes Task: assign a POD to a Node via Node Affinity – Cheat Sheet

Here, we show as shortly as possible how we can place a POD on the controlplane node the on killerkoda CKA playground: Task: place a POD on the controlplane POD using Affinity Find documentation: kubernetes.io –> Documentation –> Search “affinity” –> you will find: Assign Pods to Nodes using Node Affinity | Kubernetes # create POD YAML: k run mypod--image nginx -o yaml --dry-run=client >…

[datamattsson]

Got control-plane nodes?

[iqasystems-blog]

FMEA Encourages a Systematic Procedure

FMEA is high in demand these days. Failure Mode and Effect Analysis is widely used for the creation of various kind of FMEA. It helps to encourage a systematic procedure regarding development, assembly, and process engineering. Read more… https://iqasystem.blogspot.com/2019/04/fmea-encourages-systematic-procedure.html

[jonaled]

Novastar’s Taurus series multimedia player is a next-generation product that combines powerful performance, stability and security, to provide users with a diverse range of solutions.

They are suitable for digital signage, fixed installation screens, as well as pole screens in application, including advertising, digital signboards, commercial displays and Smart Cities. Taurus is the unparalleled choice for smart display systems.

Key Features:

Synchronization mechanism for multi-screenplaying

Powerful processingcapability

Comprehensive controlplans

Synchronous and asynchronousdual-mode

Dual-Wi-Fimode

Redundantbackup

https://www.jonaled.com/taurus-series-multimedia-players-tb1-tb2-tb4-tb6

[felord]

COSC328 Lab6- Network layer and control plane Solved

COSC328 Lab6- Network layer and control plane Solved

In this lab, we will do some practice questions on the network layer, control plane, by covering the controlplane component of the network layer along with traditional routing algorithms and SDN controllers, ICMP, and SNMP. All work must be shown for marks. This lab should be electronically submitted on Canvas. Warm-up Problems: The authors of the text have provided interactive problems to help…

[dclessonsonline]

Dive into the world of Location Identifier Separation Protocol (#LISP). Explore how this modern networking technology optimizes routing and mobility. Unlock insights that will reshape your network architecture. https://www.dclessons.com/hsrp-concepts

[jamercado]

Kubernetes: Control Plane and Workers

In Kubernetes, the control plane and worker nodes are two key components that together form the foundation of a Kubernetes cluster. They play distinct roles in managing and running containerized applications. Here’s an explanation of each component along with examples and YAML configurations where relevant: Control Plane The control plane is the brain of the Kubernetes cluster. It manages the…

[releaseteam]

HPE Adds Control Plane to Greenlake Managed Service @mvizard https://t.co/ePbwAm2aft #asaservice #controlplane #devops #greenlake #hpe #managedservices #publiccloud pic.twitter.com/PUMqKplm3Q

— DevOps.com (@devopsdotcom) December 3, 2019

via: https://ift.tt/1GAs5mb

[savetopnow]

2018-03-15 06 APPLE now

APPLE

9 to 5 Mac

HomeKit Weekly: Getting started with Apple’s Home app on iPhone, iPad, and Apple Watch

Apple touts iMac Pro power with collection of short films from top filmmakers & designers

How to wirelessly charge your AirPods case for about $10 in 3 easy steps

Griffin announces new USB-C Docking Station with enough power delivery for any MacBook Pro

Reddit introducing native promoted ads in its iOS app starting March 19

Apple Insider

Disney forges new streaming video division in prep for services like ESPN+

Apple's Siri history was plagued by infighting, mistakes and developer alienation, report says

OWC ships Mercury Elite Pro Quad four-bay external drive with USB-C connectivity

'Life is Strange: Before the Storm' headed to Mac, 'Fruit Ninja' creator lays off half its workforce

How to create keyboard shortcuts to launch apps in macOS using Automator

Cult of Mac

Textor is the missing TextEdit for iOS [Review]

Snag a UE Boom 2 for half off [Deals & Steals]

There’s already strong demand for next iPhone

How to use Split Screen on iPad

Best List: The iconic Speidel Twist-O-Flex bracelet for Apple Watch [Review]

Daring Fireball

Theranos Chief Executive Elizabeth Holmes Charged With Massive Fraud

Kottke.org Turns 20

★ Why Hasn’t Samsung Ditched the Headphone Jack Yet?

[Sponsor] Shaker & Spoon — Make Great Drinks

Ming-Chi Kuo: Samsung Galaxy Note 9 Unlikely to Feature Under-Display Fingerprint Recognition

Life in LoFi

iOS 11 Update Day: iOS 11 will break some apps

Scan and straighten photos with Dropbox

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Mac Rumors

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Former Apple Employees Reflect on Siri's 'Squandered Lead' Over Amazon Alexa and Google Assistant

MacPrices

Silver 12″ 1.3GHz MacBook on sale at B&H for $1399, $200 off MSRP

Amazon offers 21″ Apple iMacs for up to $150 off MSRP

These are the cheapest 15″ MacBook Pros available at Apple. Save up to $690 with these clearance 2015 and 2016 models

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Power Page

Apple open 2018 WWDC registration, announces conference for June 4 – 8 in San Jose

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Reddit Apple

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Alternatives to controlplane

Reddit iPhone

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Six Colors

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[chrisshort]

Download the whitepaper ‘Hardening Git for GitOps’ written by security expert and Weaveworks technology partner Andrew Martin of ControlPlane. In this report, find out what the 4 most common Git threats are and how you can mitigate them.

[datamattsson]

Grab the bull by the horns: Rancher 2.3a

Rancher have long been a peripheral player in the container space for me. There has not been any crossroads where we’d meet and share war stories or joint opportunities. Recently I’ve become an indirect fan boi by admiring their two recent projects K3s and Submariner. I’ve known a while the that their homegrown orchestrator (Cattle) was getting an makeover in favor of Kubernetes. So, what is this Rancher thing about and what can it do besides moo I've started asking myself?

Rancher

Based on what I’ve read and seen up to prior to installing (I’ve attended a few webinars) is that Rancher 2.x itself is an application that manages not only the cluster it runs in but also provisions and manages other clusters, including managed Kubernetes services such as GKE, AKS and EKS. It’s also light on the requirements side of things, all it needs is a supported version of Docker. All the way back to Docker 1.13.1 for vendor supported Docker from Red Hat which I have installed in my lab.

Given the minuscule host requirements, Rancher also has it’s own purposed built Linux distribution called RancherOS (Not to be confused with Huevos Rancheros). I have not had a chance to take RancherOS for a spin yet as my POC is based on Red Hat. Rancher recently launched another Kubernetes project that tangents to RancherOS called k3OS, which promises a running k3s cluster up and running in under 10 seconds (mind blown...). This I definitely want to take for a spin!

Gunning for RKE

Now, the task at hand here is to deploy Rancher in an HA configration and have Rancher deploy another cluster for my applications. I didn’t have a compatible IaaS provider in my lab so I just provisioned a handful of KVM VMs and installed a supported version of Docker on them (from the Red Hat extras repo). Installing with the HA option cobbles together a Kubernetes cluster based on the Rancher Kubernetes Engine (RKE). RKE has a simple CLI utility where you simply declare your cluster in a YAML file and run rke up. Thats. It. For reference:

--- nodes: - address: tme-lnx7-taco user: mmattsson role: [controlplane,worker,etcd] - address: tme-lnx8-taco user: mmattsson role: [controlplane,worker,etcd] - address: tme-lnx9-taco user: mmattsson role: [controlplane,worker,etcd] services: etcd: snapshot: true creation: 6h retention: 24h

What you might squint at here is the fact that I’m squishing control plane, workers and the etcd cluster on the same set of nodes. That’s perfectly fine in this case as I won’t run any workloads on this cluster besides Rancher. Very modestly configured VMs with 8 vCPU, 120GB of disk and 8GB of RAM.

The RKE installer will spit out a kubeconfig in your current directory and you can immediately start using the cluster.

$ kubectl get nodes NAME STATUS ROLES AGE VERSION tme-lnx7-taco Ready controlplane,etcd,worker 15m v1.14.3 tme-lnx8-taco Ready controlplane,etcd,worker 15m v1.14.3 tme-lnx9-taco Ready controlplane,etcd,worker 15m v1.14.3

The next steps include installing Helm and Tiller. I’d refer to the minutia in the official docs but one thing I wanted point out here is if you wanted to run the 2.3 alpha, you need to specify the specific version when deploying the chart.

$ helm install rancher-alpha/rancher \ --name rancher \ --namespace cattle-system \ --set hostname=rancher.tacos.datamattsson.io \ --version=2.3.0-alpha5

My hostname points to a L4 load-balancer that in turn points to my nodes (port 80 and 443) in the initial Rancher cluster. This can also be achieved with round-robin DNS for lab setups.

Once the chart is deployed, you’ll be able to login to the Rancher UI via the hostname provided (your view will differ as the "first login” dance require you to set a password):

Day 2 cluster

Quickly riffing through the tabs I immediately found the “Add Cluster” button. Since I’m installing BYOD-style I simply selected “custom” and Rancher generates a docker command-line to paste into your nodes, simply by selecting the role it'll add the appropriate flags to the command-line text blob you conveniently copy out of the UI.

As nodes start to come online they immediately become available in the UI. So you get immediate feedback what you're doing is working. Once completed, the cluster will show up as a drop-down upper left tab. This is the landing page a few minutes later:

Conveniently enough you immediately have access to a kube-cuddle terminal in the browser window. I’m always sceptic against these sort of things but I could inspect my nodes and deploy workloads from external resources right off the bat. And, drum roll, scrolling, selecting text, copying and pasting, WORKS!

The Grand Tour

Baffled by how simple it was getting to where I am, I wasn’t very surprised finding very elaborate and visually pleasing configuration for apps, monitoring, logging, notifications & alerts, user management & RBAC and persistent storage. Each of these topics warrant their own blog post so I will save these for a rainy day.

Watch this space. Moo!

[iqasystems-blog]

Why To Use FMEA Software?

Being part of fast-paced life, it has become essential to go with the updated technology to make your work get done easier. When it comes to doing office work, it needs to be quite careful while choosing any software. However, FMEA Software is the one making a great buzz at the forefront. Read more… http://fmea-software.strikingly.com/blog/why-to-use-fmea-software