in24hrs | every solution in some way | Networking library

 by   knewron-technologies JavaScript Version: Current License: Non-SPDX

kandi X-RAY | in24hrs Summary

kandi X-RAY | in24hrs Summary

in24hrs is a JavaScript library typically used in Manufacturing, Utilities, Machinery, Process, Networking, Ethereum applications. in24hrs has no bugs, it has no vulnerabilities and it has low support. However in24hrs has a Non-SPDX License. You can download it from GitHub.

If you search for the keyword “IoT platform” on google, it will return about 190 million results within a second. This is the level of proliferation IoT has achieved (especially IoT Platforms) in recent years. Every solution that is in some way related to the IoT, needs a platform. However, whether you develop this platform bespoke or is buy it off-the-shelf would mean a lot to your final product. Moreover, the term IoT platform has many connotations and vendors have overused it to a point where it just does not convey anything meaningful. As businesses and working scenarios are evolving, I am seeing many smaller companies delving into IoT. However, not having own IoT platform is one of the impediments for such an evolution. The easy-lazy answer, as many would suggest is to use freemium or free trial platforms. What lies ahead though is a greater challenge when things scale and costs skyrocket exponentially. When the trial expires or freemium is not enough, users find themselves locked-in and switching over is neither simpler nor easier. Additionally, buying off the shelf solution often means you subordinate requirements or retrofit things to suit what is available. You might end up building a subpar solution if not outright bad. If having full flexibility and control means something to you, this book is for you. I chose to write this book as I saw many of my customers struggling to understand the IoT platform landscape. State of the play has not been balanced with many vendors convoluting the offering to make it look like the only greatest thing built ever. For short-term gains, they have raised artificial constraints and showed superficial problems that only their offering can solve. I believe in empowering customers and this book is a humble attempt to it. The book is not about building a full-blown enterprise-grade system. It is about being agile in a true sense and reducing time to the market without breaking the bank. It is about designing something that you can scale incrementally without having to do a lot of rework or disrupting current state of the work. If you are a small to medium-sized company or part of the development team from a non-IT company, you will find this book quite useful. If you are an independent developer, researcher or learner, you will see the usefulness of the content for your endeavors too. Whether you are new to programming world or have basic to intermediate programming skills, you will find this hands-on book equally useful. The book supports the idea of being frugal at the start and then invest only when and where necessary. It would help you to tap into technology advancements without bank-breaking budgets, and get off the ground quickly, contrary to the longer times required to adapt to the off the shelf or freemium platforms. More importantly, you will be in full control of what you are developing throughout the process. Throughout 12 chapters of this book, I guide you through the step-by-step process of building your own IoT platform. There are must-haves and there are nice to haves; I distinguish the two and focus on how to build must-haves. You would not only save heaps but also will enjoy a control wielding and satisfying learning experience. In the first chapter, I discuss necessary and sufficient qualities that any IoT platform must have & why. I also elaborate on the key question - why should you build your own?. Building your own means understanding at ecosystem level is important, we do that in chapter 2, where block diagram level details of IoT and platform are discussed. Better planning is a key to success that reduces confusion and agony later on. So, I would cover platform wish-list, technical and general requirements for the building of our platform in chapter 3 and 4. The rubber actually hits the road in chapter 5, where we initialize the cloud instance, install required software stack and apply security. If you are eager to jump into the "how" of building things, this is where you might want to start (and read about the "why" later). One of the core elements of the platform is a two-way messaging system bus, which is explained in chapter 6 along with the installation of broker software and securing it. Building of critical components of the platform, and message broker extension with additional functionality is covered in chapter 7. Followed by additional configurations and testing of the core built until that point in chapter 8. In chapter 9, additional micro-services and data access APIs are covered along with the foundation for the rule engine. Then we build full rule-engine and authentication mechanism in chapter 10. In chapter 11, we add some documentation and provide the testing facility for developers with interactive API documentation. Finally, in chapter 12, I address a few commonly asked questions in various forums, discuss a few advancements that are in progress, which you might want to add to the platform when you build it. As I conclude, I leave you with a few possibilities to experiment. Remember that all the code and configuration files discussed in the book are available in this repo. Feel free to star, fork or download them as you wish, and if you have more to add or suggest, I will be happy to hear from you.
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              in24hrs has a low active ecosystem.
              It has 22 star(s) with 5 fork(s). There are 4 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              in24hrs has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of in24hrs is current.

            kandi-Quality Quality

              in24hrs has 0 bugs and 0 code smells.

            kandi-Security Security

              in24hrs has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              in24hrs code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              in24hrs has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              in24hrs releases are not available. You will need to build from source code and install.
              Installation instructions are available. Examples and code snippets are not available.
              in24hrs saves you 43 person hours of effort in developing the same functionality from scratch.
              It has 115 lines of code, 0 functions and 3 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

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            in24hrs Key Features

            No Key Features are available at this moment for in24hrs.

            in24hrs Examples and Code Snippets

            No Code Snippets are available at this moment for in24hrs.

            Community Discussions

            QUESTION

            Multicast being sent over hardware address of default gateway address instead of ethernet multicast address
            Asked 2022-Mar-10 at 14:07

            I have this code to send multicast messages to a group. There are no errors while running the program but when I monitor packets in Wireshark the ethernet destination of my packets are of my default gateway instead of something like 01-00-5e-xx-xx-xx

            The code:

            ...

            ANSWER

            Answered 2022-Mar-10 at 14:07

            244.244.244.1 is not a valid multicast address.

            Multicast address are in the range of 224.0.0.1 - 239.255.255.255. The address you're sending to is not in that range. So the outgoing MAC address is not a multicast MAC.

            Change the destination IP to be in the range of multicast IP addresses and you'll see a proper multicast MAC address.

            Source https://stackoverflow.com/questions/71419150

            QUESTION

            How to extract street graph or network from OpenStreetMap?
            Asked 2022-Feb-17 at 16:03

            How to extract street graph or network from OpenStreetMap ?

            ...

            ANSWER

            Answered 2022-Feb-17 at 15:56
            Solutions:

            There are many solutions to achieve this goal, I listed some of them below.

            - Overpass-api

            Overpass-api & overpass-turbo let you use overpass query language to collect ways and nodes of type highway for a city :

            Source https://stackoverflow.com/questions/69174361

            QUESTION

            Julia - not able to capture looped back UDP packets in Wireshark
            Asked 2022-Jan-14 at 08:46

            I have a UDP sender program here:

            ...

            ANSWER

            Answered 2022-Jan-14 at 08:46

            When I tried to change the destination ip address to 255.255.255.255 [broadcasting?]

            Source https://stackoverflow.com/questions/70694929

            QUESTION

            In a vscode development container, is there a way to access the docker container from a different machine on the local network?
            Asked 2022-Jan-01 at 05:35

            I have an app (sveltekit) running inside and would like to access it from other devices on my local network.

            I can access it normally from the host machine on localhost:3000.

            I want to access it somehow from another machine on the local network. Is this possible? Sveltekit cli has --host flag, which outputs the following:

            ...

            ANSWER

            Answered 2022-Jan-01 at 05:35

            All that was needed was to change the following VSCode setting. By default it was set to "localhost". Setting it to "allInterfaces" grants access to other devices on the local network.

            Source https://stackoverflow.com/questions/70523216

            QUESTION

            Floating IPs usage on Digital Ocean
            Asked 2021-Nov-27 at 00:12

            I am looking for a basic thing yet I have not found not even a single good documentation on getting it done.

            I want to allocate a floating IP, then associate it to a network interface of a droplet other than eth0. The reason is I want to have the ability to very easily switch from one IP to the other with a programming language.

            In a few words, I want to be able to do these two commands and both should provide a different response.

            ...

            ANSWER

            Answered 2021-Nov-27 at 00:12

            In the cloud (AWS. GCP etc.) ARP is emulated by the virtual network layer, meaning that only IPs assigned to VMs by the cloud platform can be resolved. Most of the L2 failover protocols do break for that reason. Even if ARP worked,the IP allocation process for these IPs (often called “floating IPs”) would not integrate with the virtual network in a standard way, so your OS can't just "grab" the IP using ARP and route the packets to itself.

            I have not personally done this on Digital Ocean, but I assume that you can call the cloud's proprietary API to do this functionality if you would like to go this route.

            See this link on GCP about floating IPs and their implementation. Hope this is helpful.

            Here's an idea that needs to be tested:

            • Let's say you have Node1(10.1.1.1/24) and Node2(10.1.1.2/24)
            • Create a loopback interface on both VMs and set the same IP address for both like (10.2.1.1/32)
            • Start a heartbeat send/receive between them
            • When NodeA starts it automatically makes an API call to create a route for 10.2.1.1/32 and points to itself with preference 2
            • When NodeB starts it automatically makes an API call to create a route for 10.2.1.1/32 and points to itself with preference 1
            • The nodes could monitor each other to withdraw the static routes if the other fails. Ideally you would need a 3rd node to reach quorum and prevent split brain scenarios, but you get the idea right?

            Source https://stackoverflow.com/questions/69919561

            QUESTION

            How to create an edgelist from a dataframe (expand, group_by?)
            Asked 2021-Oct-23 at 14:32

            I have a dataframe in R similar to the following:

            ...

            ANSWER

            Answered 2021-Sep-14 at 04:44

            I really love a base R solution, so that's what you'll get from me. It's a bit hacky and ad hoc but it seems to get the job done pretty quickly.

            Source https://stackoverflow.com/questions/69171494

            QUESTION

            Ubuntu16 LetsEncrypt R3 issue
            Asked 2021-Sep-30 at 22:32

            I've been trying to wrap my head around this issue all day, could someone help resolve or at least explain it as if I'm a child?

            I have an Ubuntu 16 server, running openssl 1.1, & letsencrypt

            R3 support expired last night and now an application doesn't work on all devices because it's intermediate signature is from R3 ?

            I've removed the X3 from my cert chain providers and generated fresh SSLs with letsencrypt but it has not solved the issue.

            ...

            ANSWER

            Answered 2021-Sep-30 at 22:32

            Okay, what I did was to use this config in getssl.cfg

            Source https://stackoverflow.com/questions/69394817

            QUESTION

            Updated windows docker and now it doesn't work outside localhost
            Asked 2021-Sep-23 at 10:38

            I have been running a media cluster for sometime without any issues. I have everything networked into two different docker networks... the first network just bridges the docker instance to the local machine, the second network is a docker VPN container that I use for the other media services (an earlier version of what I am working on can be found here: https://github.com/Xander-Rudolph/MediaDocker)

            The strangest thing happened today though. I ran the docker update for windows and now docker spools up without any errors or issues, however none of the services work outside of the machine running docker. Usually I have a poke through for a couple of the services in my router (namely wordpress/joomla which is on the bridge) and they work outside of my local network, but none of them are working anymore. I was able to confirm its not the DNS A record because I'm able to use the RDP ports I have mapped for my router, and when I test on another machine in the same network, it can't access the services via the internal IP (but it can RDP).

            Anyone have any idea what could have changed to break this? I've already updated all my docker images and even rebuilt my VPN container (before I realized its a networking issue). What are some steps I can do to try to troubleshoot what is going wrong in docker to prevent access outside of localhost?

            Update

            I've been able to rule out the docker update as the root cause... I upgraded docker on my laptop (which was previously running the same version as my desktop) and its not having the same issue... this configuration must be localized to this desktop... No idea what the issue is... Will try a linux VM on the desktop instead of docker for windows...

            Update 2

            After a lot of screwing around in both a VM and in WSL, I'm still only able to access the docker services from localhost but not a different machine on my network or via the IP on the host machine (perhaps something similar to this: Can't access localhost via IP address). RDP does work so the computer is accessible but the services are not.

            I'm not sure if this is a result of a docker networking config or a windows network config (I'm using WSL with docker installed on ubuntu 20.08) but I'm not seeing anything stick out. I'm going to remove the tag for docker windows but this is definitely an issue with networking and I suspect it has something to do with the fact that the containers are running behind a VPN... although I don't know why I would be able to access them on localhost but not the IP on another VM...

            When I run

            ...

            ANSWER

            Answered 2021-Sep-21 at 02:43

            Your question: "...What are some steps I can do to try to troubleshoot what is going wrong in docker to prevent access outside of localhost?..."

            Troubleshooting help for you, first do you have multiple networking adapters (Ethernet, Wi-Fi, etc.) present on the host. First ensure, the priority of these adapters needs to be configured in correct order so the Windows networking stack can correctly choose gateway routes.

            Now, to fix this set your primary internet-connected networking adapter to have the lowest InterfaceMetric value, use can use these Powershell commands from an elevated console:

            Source https://stackoverflow.com/questions/69111163

            QUESTION

            Networked aframe dynamic rooms not working with easy rtc
            Asked 2021-Sep-17 at 15:17
            Issue

            Hi, I've remixed a template for networked aframe dynamic rooms using a form:

            https://glitch.com/edit/#!/power-lily-pancake?path=public%2Fscene.html%3A41%3A0

            For some reason whenever I add these lines of code to the tag, the entire project breaks:

            ...

            ANSWER

            Answered 2021-Sep-17 at 15:17

            afaik the dynamic-room component is designed to attach the networked-scene, not update it (since it doesn't handle updates). That's why the dynamic-room example scene does only have a dynamic-room component, and also why the dynamic-room is not working with networked-scene.

            I'd throw all the networked-scene attributes to the dynamic-room setup, but it's also possible to make the two work together pretty much like you want it:

            Source https://stackoverflow.com/questions/69138587

            QUESTION

            Return a list of mutual nodes between every pair of nodes in R
            Asked 2021-Sep-10 at 20:25

            I want to obtain a list of mutually connected nodes between every pair of nodes in my graph:

            ...

            ANSWER

            Answered 2021-Sep-10 at 19:00

            This is not exactly efficient, it's a brute force double loop, but you can do

            Source https://stackoverflow.com/questions/69127621

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install in24hrs

            Discover how every solution in some way related to the IoT needs a platform and how to create that platform. This book is about being agile and reducing time to market without breaking the bank. It is about designing something that you can scale incrementally without having to do a lot of rework and potentially disrupting your current state of the work. So the key questions are: what does it take, how long does it take, and how much does it take to build your own IoT platform? Build Your Own IoT Platform answers these questions and provides you with step-by-step guidance on how to build your own IoT platform. The author bursts the bubble of IoT platforms and highlights what the core of an IoT platform looks like. There are must-haves and there are nice-to-haves; this book will distinguish the two and focus on how to build the must-haves. Building your own IoT platform is not only the biggest cost saver, but also can be a satisfying learning experience, giving you control over your project. IoT developers and development teams in small- to medium-sized companies. Basic to intermediate programming skills are required.
            Provides an economical way to build and maintain your IoT system
            Gives you complete control over your IoT platform
            Covers all aspects of the project
            Architect an interconnected system
            Develop a flexible architecture
            Create a redundant communication platform
            Prioritize system requirements with a bottom-up approach

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            gh repo clone knewron-technologies/in24hrs

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