Linux is a popular, open source operating system kernel. Linus Torvalds started development of the kernel in 1991.

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Dependency issues when setting up Heroku Toolbelt in linux [on hold]

I've been trying to setup the Heroku toolbelt on my linux system. When I run the script, I always get a list of dependencies for heroku and foreman that looks like this: Building dependency tree ...
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0answers
29 views

How to make a desktop manager? [closed]

I was trying to make a desktop manager, NOT desktop environment or window manager. (When I google, all results I got are those two) The desktop manager is like the one comes with file manager which ...
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0answers
16 views

Is there any Cloudera CCAH Certification training center in Bangalore? [closed]

Am looking for some good trainers in Cloudera CCAH Certification. I was searching on internet i got only osscube they charging very huge amount for the 4 days class. I don't think CCAH Certification ...
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1answer
33 views

lightweight queue solution for a small vps? [closed]

Need to store some JSON objects in a FIFO queue. It only has a memory of 512mb, is there anything that would be able to queue incoming JSON objects from a local instance, and also persist the queues ...
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0answers
15 views

Linux variable inside string, using linux variables inside data pump query [migrated]

I am trying to use oracle data pump to export rows of table because the table contains CLOB column and import them to another db. I have linux shell which is used to run the expdp query. The only ...
0
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1answer
16 views

Scheduling between child and parent process

When child processes are created using the fork system call what is there scheduling priorities..are they same? if so will always a child process run first and then parent...or is there a manipulation ...
1
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1answer
93 views

Is it legal to distribute a closed source X Window Manager?

I’m doing a thought experiment about making a product on top of Linux. I’m wondering: If you make a custom window manager (akin to KDE, for example) on top of X and you release it, do you have to ...
3
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2answers
167 views

Tablet development for a dedicated system

I need to make an architectural decision for developing (actually porting) my embedded solution on a tablet. The choice comes down to Ubuntu or Android, so I have some specific questions to help me ...
0
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1answer
85 views

Proxy to redirect DNS during development [closed]

I am using Genymotion to test an app. The app is basically a browser that connects to my website. I do not have the app's source. I do the development and testing of the website in a domain like this: ...
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1answer
69 views

HA X11 server with Anycast and Remus, will 25ms Remus sync buffer create a problem for the typical X11 app? [closed]

I am thinking to try and configure VM infrastructure to achieve high availability for X11 server by utilizing Anycast router (e.g. utilizing Quagga) and Remus Xen server for master-slave HA. So far, I ...
0
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1answer
127 views

Python: Counter for Simultaneous calls of a PHP script?

I'm trying to create a queue processing script that's purpose is to find particular files and apply actions based on specific parameters, with the result being to call a PHP script that serves to ...
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1answer
124 views

Linux kernel development

I am trying to understand the linux kernel and there is one thing that is puzzling me for quite a while. As linux is used across variety of platforms (like smartphones,desktop,supercomputers etc) and ...
3
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3answers
351 views

Is there much difference between X86 Assembly language on Windows and Linux?

I'm a complete beginner at Assembly, and my aim is to learn as much as I can to do with Assembly to one day I can reach expert level (I know I'm way off right now, but you never know). My only problem ...
0
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2answers
477 views

Why to have an application with GUI on linux when command line is available?

If the question appears to be off topic then please migrate to some other suitable domain on stackexchange. Q.why to have GUI along with CLI, when you already have command line interface? I'm ...
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1answer
252 views

Could ChromiumOS be re-written in Go from the ground up? [closed]

As Go seems able to performance match C and with Google obviously biased towards Go, I feel that it would be great way for Go to gain more traction. The way ChromiumOS/Chrome has jumped from an ...
0
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1answer
240 views

What is the best way to deploy commercial programs on Linux? [closed]

Due to the diversity of Linux distributions, it is quite common for programs to be distributed in source format together with scripts in order to assist the configure, make, make install sequence. ...
0
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1answer
58 views

Installation from RPM, instead of making source code?

I am trying to deploy a Redis server in Linux. The Redis official site provides source code to download, so I have to use 'make' to install Radis. The 'make' works, but my problem is how can I use ...
0
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2answers
189 views

Distributing a proprietary application together with GPL software [closed]

First, there are many similar questions here, but I found none with direct answers about this specific scenario. If you find a duplicate, please be kind enough to link to the specific answer(s). Also, ...
0
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0answers
181 views

Creating a custom GUI. App/DE/WM?

I am starting with this project of mine of writing a custom UI for linux. What would happen is: The computer would boot into this UI which would not be the typical taskbar/icons/startbutton kind of ...
0
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2answers
149 views

Application qos involving priority and bandwidth

Our manager wants us to do applicaiton qos which is quite different from the well-known system qos. We have many services of three types, they have priorites, the manager wants to suspend low priority ...
4
votes
2answers
342 views

What does the “d” mean after linux packages? [closed]

I've noticed that a lot of the packages I've been installing on my Ubuntu machine has this "d" at the end. Googling it doesn't give me any answers that I can find. For example: FTP server - ...
2
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3answers
536 views

Web Development on Windows but on Linux Environment [closed]

I do PHP Development on WAMP but sometime it don't work properly when I upload the files to a Linux server, its involve a lot of testing and annoying. I am looking for a solution to do PHP ...
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2answers
1k views

How to programmatically turn off LED on USB? [closed]

I would like to find out how to programmatically turn off the LED on the USB flash drive. I haven't found any tutorials or good source to get to started with it. I'm willing to try to rewrite or to ...
5
votes
2answers
240 views

Seeking xinetd alternative for forking concurrent servers in Linux

I recently posted here asking about the drawbacks of having a server process bind to a dynamically assigned port. That approach came about because xinetd, which launched the server process, allocates ...
4
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2answers
2k views

How are the size of the stack and heap limited by the OS?

Note: if you need to consider a specific OS to be able to answer, please consider Linux. Whenever I run a program, it will be given a virtual memory space to run in, with an area for its stack and ...
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1answer
313 views

Reading CSV files located on a Linux server and updating the tables in a SQL Server database

I was wondering how we could ingest CSV files located on a Red Hat Linux server into SQL Server database tables. I know we can write a stored procedure/bulk insert to read the files that are located ...
0
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1answer
113 views

which is better of these two architectures and why

PhpServer will handle gSoap requests and http requests from clients. PushServer will push notifications to clients and act a file server. There are many server machines. Every PhpServer will ...
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2answers
234 views

is there a programming language designed to express data combinations? [closed]

Very often, when using the command line or just programming, you want to express some kind of combination that you end up using a for - which is often verbose. for (int i = 0; i<10; ++i) ...
0
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1answer
305 views

Comparing performance of different C++ self-made tree data structures

I have two tree data-structures that I made in C++ , and they give a response for range queries/point queries in that program. I am using Ubuntu. I need help in understanding the way to compare the ...
0
votes
1answer
410 views

Creating java package on ubuntu? [closed]

I am new to java. Here I am trying to create java package. And try to compile it from another directory . But there is an error like bash: /home/gaurav/Desktop/package2/B.java: Permission denied Here ...
2
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2answers
129 views

Purpose oriented user accounts on a single desktop?

Starting point: I currently do development for Dynamics Ax, Android and an occasional dabble with Wordpress and Python. Soon, I'll start a project involving setting up WP on Google Apps Engine. ...
3
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2answers
261 views

Can I fork Linux source code, change it around to suit my desires, and claim it as my own kernel without doing any of the originating work?

Is it acceptable form to take Linux kernel source from any version, change it, claim it is mine, and then distribute it for monetary gain? In such a case open-source software is entitled to a sort of ...
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1answer
351 views

How to reconstruct this application using design pattern

I am engaging in redesigning a linux c++ server application. The application acts as file relayer in the form of receiving file packets (incuding control packets and data packets) from client A, ...
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2answers
130 views

How can I improve my productivity in Linux? [closed]

I have been mostly using Windows but I know my way around a Linux system but I am not as productive as in Windows. I am looking for some "survival" guidelines on what should I focus to be able to ...
2
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1answer
250 views

Difference between mutex in windows and linux

Is that correct that a mutex object in Linux cannot be used for cross process synchronization as opposed to its Windows counterpart? If that is true - what was the idea to limit mutex synchronisation ...
4
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2answers
2k views

Developing Python on Windows and deploying to Linux

I have a client who would prefer to host their application on Linux. However, my coworkers and I have very little experience with Linux. This is a short project with a low budget, so making choices ...
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1answer
259 views

Mono patent safety [duplicate]

Could you please share you thoughts about Mono patent safety? Is it risky to use Mono in production for commercial projects? In case of WEB application, for example the following technology stack: ...
6
votes
1answer
501 views

Does change the license under which Linux is released need the permission of all the copyright holders?

As far as I know Linus holds the copyright to Linux. While looking around in the kernel sources, I see that almost every file has it's own copyright holders. For example the file module.c in the ...
2
votes
2answers
390 views

How to port cli c++ program with GNU libraries from windows to Linux

I need to implement some graph partitioning algorithms for my thesis. I have mostly Windows experience. I would like to know if it is hard to migrate c++ console program to Linux. I want to program it ...
2
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2answers
183 views

Hardware running gpl code

Let's say I am selling hardware that uses the linux kernel. Do I have to state somewhere that it is running linux(or other gpl code)? The reason I am asking this is because I bought a television, ...
2
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2answers
863 views

So I'm a developing a workflow with vagrant+git…does this make sense?

Relevant Background Details We've got two types of VMs (Utility Boxes & Web Servers) that developers need. We are going to be using git for version control. We have developers who have ...
3
votes
1answer
319 views

Protocol for closing a socket connection

I'm rolling my own application protocol on top of TCP. I'm using Linux and C. I'm wondering whether there is an advisable sequence to closing a socket connection. The client will always initiate ...
4
votes
3answers
391 views

How to implement better security in Linux?

I'm just investigating the security and control of the Linux platform in comparison to Android. In Android there seems to be a huge development around security - Applications are required to ask for ...
2
votes
1answer
255 views

Application Architecture

first of all I am new here and I hope that this is the right place for my question. I have a question about the recommended architecture of a project. IDEA: Automate some calculations concerning to ...
1
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1answer
213 views

Handling timeout in network application

How can I handle timeouts in a network application. I'm implementing a provisioning system on a Linux server, the code is huge so I'm going to put the algorithm, it works as like this Read ...
3
votes
2answers
402 views

Is bash “finished”? [closed]

Should bash be expected to change in ways that break non-trivial amounts of existing scripts at some point in the (near/<5y) future? How much change has it gone trough in the last ten years ...
5
votes
4answers
722 views

Is it possible to create a 2d game for both linux and windows with next to no changes?

I'm starting a project with friends which would preferably reach both audiences of windows and linux. The only problem is that none of us have any experience of linux porting or linux coding any way. ...
0
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2answers
1k views

Where to find the source code for the Linux command line functions [closed]

I would like to study the source code of the standard command line functions in Linux such as ls, echo, cat, etc. But I have been unable to find the source code (a Google search was useless). Does ...
3
votes
3answers
1k views

Lowercase in Linux file names

As I find that UpperCase are really readable for first letter word separation in long complex names, I tend to give some of my Linux files names with some UpperCase. Mostly executables, some ...
93
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10answers
24k views

Is Ken Thompson's compiler hack still a threat?

Ken Thompson Hack (1984) Ken Thompson outlined a method for corrupting a compiler binary (and other compiled software, like a login script on a *nix system) in 1984. I was curious to know if modern ...