linux

Java Micro Edition (JME) SDK for Mac OS X or Linux

The question is clear from the title. Is there an SDK for the Java Micro Edition available for Mac OS X or Linux? Or does one need Windows XP to develop JME applications? ...

CPLEX Error 1001: Out of memory

Hi I was trying to solve an LP with CPLEX. It throws an exception "CPLEX Error 1001: Out of memory" when I am building the model. Please note that I am getting this error while modelling and not while optimizing. There are google results for Out of memory scenarios during optimization. Your help is highly appreciated Thanks ...

Apache w/mod_rails segmentation fault

I am running Redmine on Apache 2 with mod_rails (passenger) 2.0.3 and Enterprise Ruby 1.8.6. Every so often I get a segfault from Apache when I try to login. Anyone know how I can debug this issue? I see something like this in Apache's error.log: [Mon Jan 19 17:09:48 2009] [notice] child pid 8714 exit signal Segmentation fault (11) The...

Is it overkill to run the unit test with Valgrind?

Hi Just some days ago I started looking into a unit test framework called check, and I intend to run the test on c code under Linux. Now check and some well designed code and some test code can help me to verify that the basic functionality is correct, I mean it is quite easy to just look at the variables in and response back and ...

Replacing a line in a csv file?

I have a set of 10 CSV files, which normally have a an entry of this kind a,b,c,d d,e,f,g Now due to some error entries in this file have become of this kind a,b,c,d d,e,f,g ,,, h,i,j,k Now I want to remove the line with only commas in all the files. These files are on a Linux filesystem. Any command that you recommend that can r...

Exporting files from hook in bare git repository

So, my situation is the following: I want to maintain my website using emacs-muse mode. For transferring the website (and version control), I want to use git. So I would create a hook in the remote (bare) repository that automatically copies the HTML subdir to the web directory. How can I do that from a hook? Also note that the whole dir...

How to create a customized file descriptor on linux

I would like to create a file whose descriptor would have some customizable behavior. In particular, I'd like to create a file descriptor, which, when written to, would prefix every line, with name of the process and pid (and maybe time), but I can imagine it can be useful to do other things. I don't want to alter the writing program - ...

Bash script to create symbolic links to shared libraries

I think this question is rather easy for you shell scripting monsters. I am looking for the most elegant and shortest way to create symbolic links to shared libraries for Unix by means of a bash shell script. What I need is starting out with a list of shared library files such as "libmythings.so.1.1, libotherthings.so.5.11", get the sy...

Is it possible to add a system call via a LKM?

I'd like to add a new system call via an LKM, but I'm not sure how to do this. That is, I know that if I want to add a completely new system call, I can look through the sys_call_table and find a sys_ni_syscall and just replace it, but I was curious if it was possible to actually add to the sys_call_table. I realize it's probably not pos...

Doing ARP and Inverse ARP on Linux 2.6.21 (glibc 2.3.5)

I need to store persistent reference to third party device on an arbitrary IP network where the IP address of the devices may be static or randomly assigned by DHCP. I don't control the devices on the network and I can't rely on DNS and other ad-hoc networking protocols existing or working with the devices. So I have been instructed to ...

Are there any real limitations in Mono regarding ASP.NET?

I am a junior developer, doing my last year at college. I'm mostly asp.net oriented and even have a part time job coding in that language. I am interested on converting to linux and since visual studio is unsupported write my code in Mono. Are there any notable limitations in Mono that I should be aware of (regarding ASP.NET)? ...

Why doesnt Multi Args in constructor work under linux?

For my exception class i have a constructor that has multi arguments (...) which works fine under windows, how ever, under linux it compiles fine but refuses to link to it. Why does this not work under linux? here is an example: class gcException { public: gcException() { //code here } gcException(uint32 errId, ...

How can I program MIPS assembly from x86 linux?

Are there any command line interpreters around for x86 linux inorder to run MIPS assembly programs? I'd like to be able to write simple MIPS assembly programs and run them from the console on my local machine. I know of SPIM but it requires X Windows and I'm curious if there are better options out there. Edit: Turns out it doesn't req...

SerialPortCommunications

am trying to create a GUI for a c code written in LINUX. this code basically connects two systems,opens the serial port,writes data from one system to the other via the port.how do i go about this? the development tools present with me are Qt designer version 3.3.5 and K Develop,which one should I use.and how to go about it? am a total b...

Why do we need a swapper task in linux?

The idle task (a.k.a. swapper task) is chosen to run when no more runnable tasks in the run queue at the point of task scheduling. But what is the usage for this so special task? Another question is why i can't find this thread/process in the "ps aux" output (PID=0) from the userland? ...

Best tool to check and ensure PDF/A compatibility under Linux

I am working on an online portal, where researchers can upload their research papers. One requirement is, that all PDFs are stored in PDF/A-format. As I can't rely on the users to generate PDF/A conforming documents, I need a tool to check and convert standard PDFs into PDF/A format. What is the best tool you know of? Price Quality Sp...

Setting up the default script interpreter in Apache on Linux

On Windows, the following registry setting configures the script interpreter to be used by Apache: HKEY_CLASSES_ROOT\.cgi\Shell\ExecCGI\Command=C:\Perl\bin\perl.exe How is this done on Linux? ...

Can you recommend a Java Decompiler and UI for Linux ?

I am looking for a Java decompiler like DJ Java Decompiler but that runs natively on Linux. (Ubuntu/Hardy/64). Can you recommend one ? ...

Bugzilla error after installation: "TEST-FAILED Web Server is not executing CGI files"

I want to install Bugzilla on my linux server. The installation was successful, but it gives this error: TEST-FAILED Web Server is not executing CGI files How to resolve this? ...

How to find the process which is cosuming the most i/o in linux?

When I use top the iowait on the host is really high. iostat tells me which disk is utilized more but I want to find out which process is the culprit? I am trying to find this out on a red hat linux host. Any suggestions. EDIT: My linux flavor does not either have atop or ntop and since building kernel is not an option for me don't ...