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Currently we have this certificates for our IOT project
private.pem.key
public.pem.key
rootca.pem
certificate.pen.crt
I have tried using this link, but can't link the above certificates.
https://eclipse.org/paho/clients/js/
Any libraries recommendation would be helpful as i am not expect in this field.
Thank you
You can not do certificate based client authentication from the Paho Javascript client within the browser.
To use MQTT over Websockets with AWS you have to use the signature based Authentication as described in the AWS IoT documentation here:
http://docs.aws.amazon.com/iot/latest/developerguide/protocols.html#mqtt-ws
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I am creating a MERN app. I am wondering if I can connect my computer to a printer from an ip address and that printer is far away.
like we connect with ssh or ip address to connect our web server. in which language it is possible just thinking...
With your app, I think the easiest way is to let the Nodejs handled the auto receipt printing service.
I have created a simple diagram to show you how the system would work.
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Need to make a web-based GUI for a machine that can only be reached with Telnet, is it possible to communicate with it in Javascript?
JavaScript has no native IO features at all. It depends on the host environment to provide anything like that.
Node.js, for example, has several telnet modules available for it, while web browsers allow JS to make only extremely limited types of network connections (HTTP and Web Sockets).
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I'm trying to make a web app that can send a firebase cloud messaging notification to my topic using JavaScript. Is there any good example code for this? Or can someone explain how to go about doing this?
Firebase docs are great and a good place to start, do you have any specific questions?
https://firebase.google.com/docs/cloud-messaging/android/client
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I've been going through the samples for Google Chrome extension/app development and liked some of them. Especially the Telnet client example here:
https://github.com/GoogleChrome/chrome-app-samples/tree/master/samples/telnet
Is there a library/source that I can use with google Chrome for an SSH client?
Two years ago, I tried to find SSH/SFTP JavaScript Library, however, I could not find any libraries. Therefore, I created my app with libssh2. That is, I created NaCl module with C++ to use the libssh2 C library. Also, I created the SFTP client NaCl module with libssh2 library as well.
And, you can also refer the source code of SSH Client app.
Probably, it is difficult to calculate encryption/decryption for SSH2 negotiation protocol with JavaScript...
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I am trying to develop a chat application based on XMPP using Strophe.js.
Important Points:-
1) Server- Openfire 3.9.3
2) client- Strophe.js
Messaging is working fine but I want to implement the seen by and message carbon
feature just like Whatsapp and Facebook messenger. and I know it can be done with the help of XEP-0333 and XEP-0280 protocol I just want to know that is there any plugin available for Strophe.js to handle the XEP-0333 and XEP-0280 packages just to save time ?
there are no plugins available for Strophe to implement XEP-0333 and XEP-0280