makefile not working

I am learning Linux module programming. I work on Ubuntu 12.04. I made a module, namely start.c, and saved it in home/documents/module_prog. Then I made the following makefile (I am not acquainted...

Building cross-gcc 4.7.2 under Ubuntu 12.04.1

I tried to build the gcc. With this arguments: AR=ar LDFLAGS="-Wl,-rpath,${CLFS}/cross-tools/lib" \ ../gcc-4.7.2/configure --prefix=${CLFS}/cross-tools \ --build=${CLFS_HOST}...

fatal error: linux/kthread.h: No such file or directory compilation terminated

I'm trying to get familiar with kthreads and have written a very simple program to test it in C, with guidance from: http://tuxthink.blogspot.com/2011/02/kernel-thread-creation-1.html. I'm...

Why in Linux, JButton, JLabel mouse clicked is missing or ignored? its not doing how the program supposed to do

I have this SSCCE where Jbutton is getting pressed by it does not do anything, also if i click in JLabel it also fails, its not reliable, many click is getting missed. But some other distro i...

zfs installation issue Ubuntu 12.04 on Amazon EC2

I attached Three EBS Volumes of 3GB to an Amazon EC2 Micro-instance and mounted the disks xvdd, xvdc and xvdb. My aim was to create a zfs pool using these 3 disks. I had updated, upgraded Ubuntu...

scikits audiolab installation error

I am using mint Linux Mint 13 maya (linux 3.2.0-23-generic x86-64) I am trying to install scikits.audiolab for performing some audio signal processing. I have downloaded all prerequisites i.e....

Linux header files giving syntax error

On trying to compile a program using gcc I get the following error. In file included from /usr/include/unistd.h:218:0, from fcfssched.c:3:...

C Libraries with Makefile

I am trying to create a kernel module which needs to generate random numbers to work properly. To achieve this, I have included <stdlib.h> and <time.h> to my code but I can't compile the module...

Could not connect to VPN server ( PPTP ) build on a AWS EC2 instance

The turiotul I used to setup my VPN server on a EC2 instace [URL Click Here][1] [1]: http://www.dikant.de/2010/10/08/setting-up-a-vpn-server-on-amazon-ec2/ Works environment: local: MAC OS X...

Npm - 404 Not Found: 'ErrorHandler' after moving node project to new machine

I have moved my nodeJS project from a macbook to a vagrant virtualbox ubuntu hashicorp/precise32 machine. After I did this, npm install does not seem to work for me. Here is the output log. I...

Error compiling kernel module, fatal error: linux/modversions.h: File or directory not found

i'm trying to compile a simple test kernel module but gcc drop me this error: fatal error: linux/modversions.h: file or directory not found but in /usr/src contains the symlink to the linux...

How to send and receive messages from function other than registered callback function in Netlink socket?

In following kernel module, I hooked syscall sys_open, and now trying to send filename to process in userspace using Netlink socket, in response process will return a msg, and then according to...

Inconsistent results using R httr POST command

One of my colleagues has been scraping financial data using Python. He sent me a snippet of Python code as an example: import requests import bs4 response =...

Unsupported in Mac: [email protected]

I'm trying to npm install but got this error saying that my OS isn't supported. What could be the possible solution to this? Elaine-MacBook-Pro:proj1 elaine$ npm install npm ERR! Darwin 15.6.0 npm...

Issue while pushing package at heroku

While trying to pushing package at heroku master I am receiving following error message. Even if try to run meteor npm install command, then also I am receiving same error. This is error...

Got illegal instruction when running a simple hello world program using newest cross_compiler

everyone. I used newest cross_compiler(installed by sudo apt install gcc-arm-linux-gnueabi on Ubuntu 18.04,version is 7.3)to compile a simple "hello world" c program #include <stdio.h> int...

Compiling Qt and OpenCV for arm64-v8a

I am trying to compile a program using Qt and OpenCV for arm64-v8a I created a kit to use an arm64-v8a version of Qt, but I get tons of undefined reference errors I have compiled Qt using the...

Writing and Compiling Program For OpenWrt

I have a embedded device with MIPS arch working under OpenWRT system type: MediaTek MT7628AN ver:1 eco:2 machine: WRTnode2P processor: 0 cpu model: MIPS 24KEc V5.5 I want to compile compile a...

Error on used @material-table in react-project

I'm trying to include a library to react-project (typescript) material-table I install @material-table in my package.json with command sudo npm install material-table --save this is what my...

In Ubuntu 16.04 Python 3.7 these requirements unable to install for Odoo 13

I am unable to figure out whats going on ? It throws some error while I am installing these requirements. I am installing this in the virtual environment. I tried this installation with python 3.8...

How to correctly install PyICU on Heroku?

I am trying to deploy my Python app on Heroku, but have been unsuccessful. It seems that a problem is occurring with the PyICU package, which I'm unsure how to correct. I've confirmed that this is...