I have script in RHEL 6 which is using default function such as /etc/rc.d/init.d/functions can we use same functions on RHEL 7 to start the daemon process? . Also let me know, if there is any difference for /etc/rc.d/ between RHEL 6 and RHEL 7? Answer This file is provided by the initscripts package, which is…
Can process move from Ready Queue to Job Queue?
I’m working on a program that would simulate scheduling from creation to completion of processes. I need assistance to know can a process move back from ready queue to the job queue (in any case – may be an exception). Answer I’m not sure what you mean by “queue job”. A process i…
cannot get data from IR sensor on embedded linux using official driver
I run a linux image (made with buildroot and the 4.11.2 kernel provided by the manufacturer) on a nanopi NEO air board with an IR sensor plugged directly on the IR pin. I want to use the sensor to get data from an IR remote control. I followed the procedure found here, with the same driver, and got the same
Windows docker container vs Linux docker container
I am new to the Docker/Kubernetes world in general. As i am just starting with the whole architecture i have the following: Azure Container Service — up and running using Linux for master and agents Docker for windows on my machine — up and running automated build for a .NetCore application on VST…
Giving an executable more permissions than running user
I have a small C++ app to turn on and off lights for a BeagleBone Black board that runs on Debian 9.2. It does this by updating text files. If I run the program as a standard user it runs without error but none of the lights change. If I run the program with sudo everything works fine and the
Why does the permission expression 653 mean rw- r-x -wx [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
Using netcat to issue a http get request in bash
I have written the following script (it does not support index yet). The issue I am having is regarding using netcat to load the page. I can do this manually using the command line but when I try to have my script issue the exact same commands I can it does nothing without error. The only possible thing I can
Not able to import pandas and numpy
I am trying to run following simple script on Debian Stable Linux: But it is giving following error: Following versions of pandas and numpy are installed through Debian Repositories: Where is the problem and how can it be solved? Edit: I find that the same above file works perfectly in another folder! I am us…
Understanding .Net Core and Mono
When developing an application in .Net Core, the .NET dependencies and DLLs are embedded in the application? does this mean that I do NOT need to install the .Net dependencies on the client PC? If I develop a .Net Core console application for Linux, is it necessary to install Mono on the PC with Linux (client…
Scanning numbers from a file in C
I tried to scan some coordinates [X, Y, Z] from a file, but always returned as segmentation fault. So, I’ve some questions to make: I don’t know how many points are in the file, but if I leave the struct arrays empty, there will be an error. There is a way to do this without defining a max number?…