Why doesn't npm work on a clean install of node on lubuntu?

I am not good with linux. I installed node in /node. node subsequently installed itself in a directory called node. So the node files are in /node/node. I gave /node all permissions: sudo chmod...

JVM crashes on pressing press enter key in a Textfield

I have a JavaFx program that is behaving very erratically. If I press enter on a textfield the JVM crashes. This is a simple UI program obtained from this stackoverflow question. What is wrong...

Segmentation fault in multi-json-1.8.4 during heroku fork, database transfer

I'm trying to heroku fork a RoR 4.0.1 app to make a dev instance. It creates the instance OK but core dumps during the database transfer, details below. Running on Lubuntu, Heroku Toolbelt version...

Compiling multithread code with Code::Blocks GNU compiler

The error I am trying to use *std::thread* but I have this error when I try to run it. terminate called after throwing an instance of 'std::system_error' what(): Enable multithreading to use...

parallel execution of a function in python using multiprocessing module

I am using multiprocessing module in python to make the function to run in parallel. the functions name is: Parallel_Solution_Combination_Method(subset, i): the subset parameter is a list...

Illegal instruction (core dumped) when loading HDF

I have recently installed Anacondas Python on Lubuntu. I am trying to load a HDF file that works on a Windows PC: In [14]: import pandas as pd In [15]: fn = '/home/jon/data/data.h5' In [16]:...

IOError when running scons.bat

When I run my scons, I get the following IOError and also that it cannot find path specified. I checked that my Path is corerctly pointing to my Python in Windows path. I am running in...

Same guest OS, different memory usage in Virtualbox and VMWare Workstation

I have Virutalbox 4.3 on a Ubuntu 14.04 machine and VMWare Workstation 11 on a Windows 10 machine. I use the same Lubuntu iso to install a guest OS in both VMs, but after installation, I find they...

How to Host Ghost Blog on Home Web Server

I am running the Ghost Blog inside a docker container inside a virtual machine running Ubuntu Snappy Core OS. This virtual machine is running on my home server, a C720 Chromebook cracked to run...

Can't get OpenGL 3.3 draw a triangle, no errors thrown

It's second day I'm trying to draw a triangle using OpenGL 3.3 with shaders, but I can't get it to work. No error messages are printed out. I also stepped through every line with debugger and...

Building Kurento on lubuntu 15.04

I am trying to build whole Kurento on my lubuntu 15.04 (same as ubuntu 15.04 vivid with different UI). I started by cloning all repos: mkdir kurento cd kurento git clone ...

ASP.NET Core Linux SSL - SSL Read Bio failed with OpenSSL error

I'm currently developing on an asp.net core application. The application itself runs perfect under Windows using Kestrel. Now I published the application to a linux environment (Lubuntu 16.04.1 64...

How can I specify an Ansible role and its argument in the dependency list of another role?

How can I specify an Ansible role and its argument in the dependency list of dependent role, both of which are stored in separate Git repositories? Consider the following incorrect example where...

Invalid runtimeconfig.json error when trying to run netcore app on linux

I have developed .net core console application. It connects with Azure table storage and downloads from azure to a local database. Application is working w/o any issues on a Windows 10 PC. However...

Error: Failed to fetch platform [email protected]^6.2.3

I've got this problem: [email protected]:~/Documents/apps/MyApp/myapp$ ionic cordova platform add android > cordova platform add android --save Using cordova-fetch for...

(OpenCV) ASSERT: "false" in file qasciikey.cpp

I'm on lubuntu 16.04, using OpenCV 3.2.0, Python 2.7 and encountering this error after a brief moment of imshow() displaying a window with my camera stream. This error occurs randomly - the stream...

Linux RStudio version seems to be looking for Windows plugins

Out of the blue, apparently, RStudio has quit loading. I uninstalled, reinstalled and from the terminal I got this message: [email protected]:~$ rstudio qt.qpa.plugin: Could not load the Qt...

Device is unable to BOOT or INSTALL with generated .hddimg

I have device which has following configuration: Chipset architecture - Intel NM10 express Processor - Atom D2550 Dual Core Display - DVI Volatile Memory - 2GB DDR3 Storage - 16GB Objective:...

Yocto sato image is running extremely slow, is there a way to improve its performance?

We have a legacy device with following configurations: Chipset Architecture : Intel NM10 express OS : Yocto warrior CPU : Atom D2250 Dual Core Volatile Memory : 2GB DDR3 CPU core : 4 After...

Failed to install swifter via pip - INFO: pip is looking at multiple versions .. compatible with other requirements

Within my virtual python 3.9x - environment on my Lubuntu 20.04 - System, I tried to install swifter via command line using pip install swifter. This doesn't work out however, as the compatibility...