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

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0answers
33 views

subprocess.Popen.communicate not effient with large data sets? [migrated]

I understand communicate() will wait for the process to finish, store data in memory buffer and return. I was thinking the below code will not be efficient as I want to query all interesting rpms and ...
2
votes
0answers
35 views

In GTK/Linux, what's the correct way to get the DPI scale factor?

Context: Writing a drawing program that's supposed to be cross-platform. So I have multiple frontends responsible for providing a backend class access to a Cairo context, basic event handling, and ...
0
votes
1answer
97 views

How to learn new technologies in short period of time? [duplicate]

The title says it all. I'm a .NET programmer, working mostly on WPF applications with C#. But I need to be familiar with latest web development technologies, JavaScript, HTML5, CSS, ASP.NET MVC, ...
0
votes
3answers
227 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 ...
3
votes
1answer
52 views

optimize human-readable database with index

i need to store a large amount of data - about 10 million entries of the format unique hash (64 chars), value 1 (5 chars), value 2 (9 chars) i will be reading and deleting (but not updating) this ...
0
votes
3answers
132 views

Programming with emacs instead of a debugger-integrated IDE [closed]

There's a question that might be deemed a duplicate of this one (I use an IDE (Eclipse) to develop software. Why should I switch to vim or emacs?) but I don't think answers my question. I usually ...
0
votes
1answer
154 views

What is the proper way to use an IDE to work on remote code?

One of the code bases I work on has a development environment that is running on a dev server and cannot be copied over to my PC to locally test and develop. I am wondering what is the proper way to ...
2
votes
1answer
134 views

Moving our web application from a windows development environment to linux environment seamlessly

I am trying to develop a web application on a windows machine using apache wicket, java, jquery etc. Apache wicket comes with an embedded jetty server. I am using eclipse as the IDE. The application ...
0
votes
4answers
1k views

Webcam software for both Windows and Linux – possible? [closed]

my visually impaired sister uses a webcam with DIY stand as a digital magnifier to read printed texts. We wanted to initiate a project to create a software - in fact only a modified webcam viewer ...
3
votes
1answer
61 views

What UML diagram should be used for modelling permissions/users/files in Linux?

If I am planning a structure for support testing in Linux, a structure that will contain packages, such files as shell and build scripts, app configurations, DBs, sources, tests and jars for to be ...
0
votes
1answer
106 views

Need advise for porting linux script to Win command line [closed]

I am creating app(script) that is used similar to RSS reader for specific webpage that doesn't have RSS. So my app downloads that html page in defined intervals, checks new items and parses them into ...
4
votes
5answers
18k views

What is the exact meaning of Platform independence? [closed]

What is the meaning of platform independence? I am taking the case of Java. Can I run a Java application on Linux that built on Windows platform? Or the reverse? Can I use a same (or exact) ...
2
votes
1answer
65 views

How to break up Yocto layers for continuous integration?

We are building embedded software using a Linux setup based on the Yocto project. We have a couple different configurations that we are building for different purposes (but the same target). I have ...
0
votes
0answers
40 views

Auto Create VM and display IE

I have just acciquired an old Dell Poweredge SC1425 from an old friend, this server will act as a development box for web based applications. All has been going well, I have installed the following ...
3
votes
1answer
6k views

Where to start to learn C/C++ Embedded Linux Programming [closed]

I'm an experienced software engineer and an advanced Linux user. I already know C and C++. I've developed C applications on Unix in the past and C++ (mostly on Windows). I would like to start to ...
0
votes
1answer
113 views

Commercial use for embedded system

I am developing a embedded system (computer + os + programs) to sell it to a company. I am confused about the licensing and the softwares I wanted to use to develop the system.So I want to know if I ...
5
votes
2answers
299 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 ...
0
votes
1answer
31 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
vote
1answer
100 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
votes
2answers
185 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
votes
1answer
139 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 ...
7
votes
3answers
3k views

What is the relationship between OpenGL, GLX, DRI, and Mesa3D?

I am starting out doing some low-level 3D programming in Linux. I have a lot of experience using the higher level graphics API OpenInventor. I know it is not strictly necessary to be aware of how ...
2
votes
2answers
959 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 ...
49
votes
16answers
7k views

moving from Windows to Linux [closed]

I need to reconcile these 2 facts: I don't feel comfortable working on Linux; I need to develop software for Linux. Some background: I have a 10+ years of programming experience on Windows (almost ...
0
votes
1answer
226 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: ...
-1
votes
1answer
83 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 ...
2
votes
6answers
2k views

Is it possible to keep only one Database for both web and desktop applications?

I'm experiencing a trouble with my business model, let me explain better. I'm developing a software for 1 year and few months, it's for the food industry, more exactly a software to: Delivery, Take ...
7
votes
7answers
1k views

How can I make my PHP development environment more efficient?

I want to start a home-brew pet project in PHP. I've spent some time in my life developing in PHP and I've always felt it was hard to organize the development environment efficiently. In my ...
1
vote
1answer
231 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 ...
12
votes
7answers
2k views

How much does a web developer need to know about Linux? [closed]

I was just wondering if a typical PHP developers needs to be very familiar with Linux. I am studying Linux right now and I believe some of linux knowledge is not required for a PHP developer job (not ...
4
votes
2answers
3k views

I need to know the reasons why learning Linux Shell Scripting (BASH) benefits me as a PHP developer [closed]

I have been developing web sites/applications using the LAMP stack for almost 5 years. Currently I am interested to dig more into Linux OS, specifically BASH but from a web developer perspective, not ...
-1
votes
1answer
150 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 ...
104
votes
20answers
13k views

Making money with Open Source as a developer?

I'm currently a student (Applied Information Technology) and we do most of our programming in C# and Java. I was wondering how can I as a developer, make money with open source. I know there is the ...
2
votes
7answers
2k views

Automatically delete files after they expire

I've got this idea for some time and I was wondering if anyone has seen such a feature/app in any operating system and if you haven't, what do you think about it. Where do you think I should begin? ...
3
votes
3answers
456 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 ...
8
votes
3answers
386 views

New to programming. How do I meet people to expand my programming knowledge and discourse? [closed]

I've been a tinkerer of tech and programming, but books and online resources only go so far. I want a community to engage in discussions about programming to take me beyond what books can give (also, ...
0
votes
2answers
541 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 ...
-2
votes
1answer
272 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
votes
1answer
309 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. ...
4
votes
2answers
349 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 - ...
0
votes
1answer
59 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
votes
2answers
288 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, ...
96
votes
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 ...
0
votes
0answers
189 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 ...
2
votes
3answers
620 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 ...
-5
votes
2answers
2k 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 ...
1
vote
1answer
335 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 ...
5
votes
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 ...
4
votes
5answers
425 views

What is the starting point for Ubuntu app development? [closed]

I'm thinking of developing software for Ubuntu and other related Linux-based distros (like Linux Mint). But currently am at a loss for where to start. Would learning Python be enough/good? And what ...
0
votes
1answer
116 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 ...