Cosmos is an operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more! THIS TAG IS NOT FOR QUESTIONS ABOUT THE AZURE COSMOS DB DATABASE - for any questions related to Cosmos DB, please use the [azure-cosmosdb] tag.
Questions tagged [cosmos]
141 questions
1
vote
1 answer
How do i make the Raspberry Pi use a Custom OS
I have made an OS is cosmos, but I cant seem to get the Raspberry Pi to actually boot the OS up. I made a bootable SD card and USB stick but the raspberry pi doesn't load anything up.
VocableAce
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- 5
1
vote
1 answer
"null" name is given to both folder and file when sinking data from Orion to Cosmos using Cygnus
I have an issue related to ngsi2cosmos data flow. Everything works fine when persisting the information received in Orion into the public instance of Cosmos, but the destination folder and file name are both "null".
Simple test as follows:
I create…
arkabide
- 76
- 4
1
vote
1 answer
How to programmatically authenticate to HDFS in fiware cosmos
I'm writing a .net application with C# to programmatically run REST apis against hdfs on fiware but on http POST operations it fails with 401 (access denied). it works for simple GET operations but I'm not sure how to do authentication. From the…
Saad
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- 2
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0 answers
Read data from Cosmos using Wirecloud
I am working in a project of SmartAgrifood and I have to use Fispace platform. This platform supports widgets. Currently I store data in Cosmos, and I need read this data from Cosmos using Wirecloud. Is there any example for this?
Cristina
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2 answers
Cosmos "Hello world" Plug generate error
I've just installed Cosmos and tried to run the test program given by default. That's the code:
using System;
using System.Collections.Generic;
using System.Text;
using Sys = Cosmos.System;
namespace CosmosKernel2
{
public class Kernel :…
Ivo Valchev
- 215
- 3
- 11
1
vote
1 answer
Cosmos installation fails
I'm trying to install locally cosmos.
I followed the guide instructions and successfully execute puppet script on slave machines.
I've a problem executing puppet script on the master machine.
The script fails. Here is the content of puppet.err log…
Mirko Perillo
- 41
- 2
1
vote
1 answer
Login Hive, log4j file
I'm trying to access to Hive by the command window.
I just run "Hive" in the appropiate directory but I get an error "Login denied".
I've read that log4j is used to log in, but I don't know whether I have to create an account and write my user data…
adrian
- 317
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1
vote
1 answer
Getting historical data in Fi ware using Cosmos
I'm trying to get all the historic information about a sensor of Fi Ware.
I've seen that Orion uses Cygnus to store historics in Cosmos. Is that information accesible or is it only possible to use IDAS to get it?
Where could I get more info about…
adrian
- 317
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1
vote
3 answers
How to Run COSMOS OS in VB 2010
I'm trying to build a OS COSMOS in (Visual C# Express 2010, Sorry I type VB Out of habit) I have the VB 2010 COSMOS files not the VB 2008 ones when I press debug it says it is a Class Library. I'm quite new to COSMOS i've had the VB 2008 version…
user1956208
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0 answers
Cosmos Blockchain: get keypair from privatekey
I need to get the keypair from privatekey on Cosmos blockchain.
I have this code to get the keypair from mnemonic phrse:
const cosmos = require('cosmos-lib');
const keys = cosmos.crypto.getKeysFromMnemonic(MNEMONIC);
console.log(keys.publicKey,…
Elian
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- 1
0
votes
1 answer
Cosmos c# problem with file system vfs cannot register
I get this error:
Error
Exception: System.Exception: Error compiling method 'SystemStringDudoOSCommandsFileExecuteSystemStringarray': System.ArgumentNullException: Value cannot be null. (Parameter 'aType') DudoOS …
2G8
- 1
0
votes
0 answers
Error during parse the genesis file of the cosmos blockchain
I am setting up bdjuno for cosmos, and during parse the genesis file I get follow err.
$ bdjuno parse genesis-file
ERROR: failed to unmarshal genesis state: unexpected end of JSON input
What is the matter?
I have tried to review the genesis file…
RiverFishingman
- 13
- 4
0
votes
0 answers
Module not found: Can't resolve '../styles/Home.module.css'
I got trouble when followed this tutorial to learn how to integrate with Keplr Wallet ! The error happened when I use import styles from '../styles/Home.module.css' with file FaucetSender.tsx
import { ChangeEvent, Component, MouseEvent } from…
0
votes
0 answers
How to add a file syxtem to Cosmos OS that will work on a physical machine?
I am trying to make an OS using Cosmos, I have gotten to the point where I want to add a filesystem.
The VFS filesystem doesn't work, if I create a new virtual machine or try using it on a physical machine. It only works on the virtual machine that…
0
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0 answers
Argument 3: cannot convert from 'System.Drawing.Color' to 'Cosmos.System.Graphics.Pen'
I'm Using Cosmos in C# to Create My OS but Some Classes When i'm Runing The Code Give My This Error
Argument 3: cannot convert from 'System.Drawing.Color' to 'Cosmos.System.Graphics.Pen'
and This is Some Details From The Code
if (CD ==…
