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• Unsatisfied link error under Maven exec / debug plugins on Linux

  - by SyBer

  Hi. I'm getting a runt-time "Unsatisfied link error" for libraries installed in Linux system library, which are definitely visible. This project works normally when I let Eclipse to manage it. Does someone know if there any caveats regarding JNI and Maven, and can advice about this case? Thanks in advance.

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• Finding process count in Linux via command line

  - by Moev4

  I was looking for the best way to find the number of running processes with the same name via the command line in Linux. For example if I wanted to find the number of bash processes running and get "5". Currently I have a script that does a 'pidof ' and then does a count on the tokenized string. This works fine but I was wondering if there was a better way that can be done entirely via the command line. Thanks in advance for your help.

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• CreateTimerQueue for linux

  - by JP

  Anyone know if there is any function similar to CreateTimerQueue on linux? Or do I have to make my own.

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• regarding graphical user interfaces in c on linux operating system

  - by asha

  i want know whether we need to download GTK for making graphical interfaces in c on linux,since i have read somewhare that it is bydefault installed??????????

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• Is it possible to use Cocoa classes in an app that runs on Linux

  - by Brian

  I am need to parse a pdf file. I would like to use objective-c and Cocoa classes to do so, but I need the resulting application to run on Linux. Is this possible? My experience to Objective-C revolves around the iPhone so I'm relatively new to Cocoa. Thanks.

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• C code in Linux to C code in Windows

  - by Morano88

  I'm having a code written in C that works on Linux. I want this program to work in windows, Are there any differences that I have to make in the code ? It is a code for Server/Client communication using sockets taken from here : http://www.linuxhowtos.org/C_C++/socket.htm

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• Resources for learning C, Unix, Linux and embedded systems

  - by rajivpradeep

  Hi, I want to learn C , UNIX and LINUX, and more about embedded systems. Very much interested in them. Are there any online courses or websites which can guide me. And please suggest books to read in learning them. Thanks for your time.

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• C linux equivalent of windows GetWPC and GetWPCFreq

  - by myforwik

  Is there an equivalent C function in linux for reading the CPU counter and its frequency? I am looking for something similair to GetWPC and GetWPCFreq winapi functions that uses the 64bit counters in modern cpu's

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• Linux/PHP Question

  - by user369770

  I'm a pretty Huge n00b when it comes to Linux exec ('whoami', $output, $return); echo $return; // Outputs 127 Which means the command is not executing. I can get it to execute when I root into the server. Any help would be greatly appreciated!

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• how to make C programm wait (on linux)?

  - by Dreadn

  how to make C programm wait (on linux)? (I need to use wait with MPI I needC code.... please

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• I need to cut a portion of a string in linux

  - by Abeed Salam

  I have a file in a folder like this: installer-x86_64-XXX.XX-diagnostic.run The XXX.XX is a version number and I need the version number only. How to do it in linux? I have this code: #!/bin/bash current_ver=$(find /mnt/builds/current -name '*.run'|awk -F/ '{print $NF}') So this gives me just the name of the file correctly (minus the location, which I dont want). But how do I only get the XXX.XX version number into a variable such as $version

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• Best C++ development environment in Linux

  - by Bruce

  I have some experience with Eclipse and Qt creator and am somewhat disappointed in their debuggers, less so in their editors. On Windows, I like Visual Studio for debugging and SlickEdit for editing (SE is also available on Linux). Is there an IDE that is somehow better than the two mentioned?

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• Windows/Linux text rendering

  - by Simon Ottenhaus

  I just noticed that windows renders text differently than linux. Why is that and what's the purpose of orange an blue "shadows"?

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• CPU ordering in Linux (with hyper threading)

  - by Jason

  I'm curious what the CPU ordering is in Linux. Say I bind a thread to cpu0 and another to cpu1 on a hyperthreaded system, are they both going to be on the same physical core. Given a Core i7 920 with 4 cores and hyperthreading, the output of /proc/cpuinfo has me thinking that cpu0 and cpu1 are different physical cores, and cpu0 and cpu4 are on the same physical core. Thanks.

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• Linux file names & file globbing

  - by John Lelos

  I have a list of files named: file000 file001 file002 file003 ... file1100 How can I match all files that have a number greater than 800 but less than 1000 ? I am using linux bash Thank you Edit Actually, my files are named like: ab869.enc cp936.enc g122345.enc x2022.enc abc8859-14.enc aax5601.enc cp936-1.enc so the first solution dont match the correct files :( How can I match files that have number between 800-999 ?

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• Detecting a change of IP address in Linux

  - by Joel Holdsworth

  Does anyone know a way to detect a change of IP address in Linux. Say I have dhcpcd running, and it assigns a new IP address, is there a way I can get a notification when it changes? inotify on something in /proc/net/ ?

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• Linux shell sum columns

  - by Yassin

  How can I sum (using Linux shell) numbers in a column? If possible, I don't want to use powerful tools like awk or perl. I want something like giveMeNumber | sum

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• Linux/Unix environment variables

  - by Alex Farber

  Where Linux/Unix environment variables are kept? How can I add my own environment variable and make it persistent, not only within currently running script?

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• Searching a process' memory on Linux

  - by Matt Joiner

  How can I search the memory state of an process in Linux? Specifically I wish to identify certain regions of interest, and peek at them at regular intervals, possibly occasionally poking new values. I suspect an answer may involve calls to ptrace(), and reading /proc/[pid]/mem, but need more to go on.

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• How to restart C daemon program in Linux after receiving SIGHUP signal

  - by abhelp

  Hello Can anybody please post some example code on how I can reread a configuration file and restart my daemon after the daemon receives a SIGHUP signal. The daemon is a user space program written in C on Linux and is not started by inetd.

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• GetLastInputInfo equivalent in Linux to detect last input time

  - by SaM

  Is there a GetLastInputInfo() equivalent that can be used in Linux? The intention is to detect the last input time (keyboard or mouse) of the user. Am using python to script the program.

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• Is there any C/C++ editor in Linux that shows errors while typing

  - by MetallicPriest

  The Visual C++ editor has a great feature which is that it underlines errors with a red line while typing the code. So for example, if you are using a variable that is not declared, it will underline it with a red curly line. In this way, the programmer can resolve a lot of errors while typing and doesn't have to wait for compiling for noticing them. Now my question is, is there any editor for Linux that has this great feature?

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• Python interpreter with Linux Screen

  - by Unknown

  I was working with Python with a Linux terminal screen. When I typed: help(somefunction) It printed the appropriate output, but then my screen was stuck, and at the bottom of the terminal was "(end)". How do I get unstuck? Thanks in advance.

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• How the buffering work in socket on linux

  - by michael

  How does buffering work with sockets on Linux? i.e. if the server does not read the socket and the client keeps sending data. So what will happen? How big is the socket's buffer? And will the client know so that it will stop sending?

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• Best way to use Photoshop CS3 in Linux

  - by Abe

  I don't want to use Mac or Windows at work but I have a lot of work in Photoshop when I have to create an HTML page from a Photoshop design. What is the best way to use Photoshop CS3 in Linux, Wine, virtualization, ... ???

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