linux

pthread condition variables on Linux, odd behaviour.

Hi. I'm synchronizing reader and writer processes on Linux. I have 0 or more process (the readers) that need to sleep until they are woken up, read a resource, go back to sleep and so on. Please note I don't know how many reader processes are up at any moment. I have one process (the writer) that writes on a resource, wakes up the reade...

Command to zip a directory using a specific directory as the root

I'm writing a PHP script that downloads a series of generated files (using wget) into a directory, and then zips then up, using the zip command. The downloads work perfectly, and the zipping mostly works. I run the command: zip -r /var/www/oraviewer/rgn_download/download/fcst_20100318_0319.zip /var/www/oraviewer/rgn_download/download/f...

SVN server host os

Recently I was searching on how to secure svn repository, or otherwords how to enable ssl connection to svn repository for a windows server 2003. Does it make more sense to use Linux server instead? ...

making a gui editor

Hello, For my school project, I would like to build a gui that someone else can use to create a gui. Upon some research I saw lot of gui builders but didn't see anything along the lines of what I am looking for. But then I did find a tutorial using C# on here I rather create this gui editor for linux environment. Any suggestions t...

How can I use valgrind for memory profile

Hi, Can you please tell me how can I use valgrind for memory profile? The article I found from google talks about how to use valgrind for memory leak. I am interested in how to use that for memory profiling (i.e. how much memory is used by what classes)? Thank you. ...

How to make a call to an executable from Python script?

I need to execute this script from my Python script. Is it possible? The script generate some outputs with some files being written. How do I access these files? I have tried with subprocess call function but without success. fx@fx-ubuntu:~/Documents/projects/foo$ bin/bar -c somefile.xml -d text.txt -r aString -f anotherString >output ...

Get GPU Information in linux C

Is there any library in C for Linux to get gpu information for example BIOS Verison DigitalID... ...

How can I link glibc statically with qt

I have built a static version of qt and download a static version of glibc. Now I would like to link glibc statically to my qt application. I know about going into the .pro and adding the line LIBS += -L path/to/static_lib but I am wondering if these that is enough? Will it still link glibc statically even though the OS I am building...

How to check whether your code environment on Windows or on Linux or other OS

hi, right now, i code custom wordpress theme and testing it in xampp windows XP on apache server. But as long as i concern, there's no wp build-in function to identify the code environment. Is there's any PHP build-in function to identify such thing ? for the record, what i want to code need to read a directory. in my apache (in window...

Different OS and Server Path

in windows (using apache as server), my file path directory will be C:\xampp\htdocs\mysvn\PhpDocumentor\phpdoc.php. But what happen with other OS such as linux on APACHE, or IIS on windows, Or other OS i don't know and never use ? i would like to know to make sure i wrote the bullet proof, file reading via PHP. Care anyone give an exam...

Where can I find more information on creating a driver for a usb device in C / linux?

I know how about the capture part in wireshark. Parsing and figuring out the data shouldn't be a problem. Links to where I can get more information, tutorials or forums on how to target and receive from the device, or related content would be most helpful. ...

C++ in embedded software programming

Hello, Is there significant problem, if I write the code for embedded linux system using C++ language programming ?. Actually, I have intention to port some code to arm linux, with arm-uclibc compiler. Thanks ...

Python script not working when run from browser directly

I'm trying to run this script: import re, os def build_pool(cwd): global xtn_pool, file_pool xtn, xtn_pool = re.compile('\\.[0-9a-zA-Z]{1,4}$'), [] file_pool = [files for files in os.listdir(cwd) if os.path.isfile(files) and xtn.search(files)] # Lists all the file extension in the folder for file in file_pool: if not xtn_pool...

nested page-faulting of user-space address in Linux

Hi, I would like to know if it is functionally wrong to page-fault a user-space address when kernel is running fault-handler to bring in a user-page. OS is Linux 2.6.30 Assume that both user-addresses are valid ( falling within vma , rw permission ) for the task. When I check the kernel code, i find that the kernel does not mind...

Rapports in a log file with a script shell (linux batch) and redirection

Hi All, Please help!!! ;) I have a problem with this code in a batch file (Linux): Mil=`date +"%Y%m%d%H%M%S"` batch=`echo "${DatMusic}"` TabimportEnteteMusic="importentetemusic.dat" { grep '^ENTETE' ${IMPORT}/${DatMusic} > ${IMPORT}/$TabimportEnteteMusic mysql -u basemine --password="basemine" -D basemine -e "delete ...

Where to put SVN repository directory in Linux?

I am setting up a new SVN server on Ubuntu Linux. Where is a good place (best practice) to put the repositories? Should I create a new user? The server will be accessed via http:// so no need to create user accounts etc (as was the case for svn://). Many thanks in advance ...

How can install sqlite-ruby on linux when sqlite3 is not in /usr/local ?

I am trying to install sqlite3 and sqlite-ruby (ruby 1.8.6) on a linux box where I do not have root. I downloaded the sqlite3 source, binaries, and shared library and placed them all in a directory called sqlite3 I then try to install sqlite-ruby using gem install sqlite-ruby --with-sqlite-dir=the_path_sqlite/sqlite3 but I keep getti...

Can someone help fix my vimrc config?

set nohlsearch set ai set bg=dark set showmatch highlight SpecialKey ctermfg=DarkGray set listchars=tab:>-,trail:~ set list autocmd BufRead *.py set smartindent cinwords=if,elif,else,for,while,try,except,finally,def,class set tabstop=4 set shiftwidth=4 set expandtab set autoindent set smartindent syntax on set listchars=tab:>- set listch...

Why does PEAR get installed to my user directory?

I am new to Linux and I am attempting to install the PHP PEAR library on a virtual server which is running Ubuntu. I am following a tutorial that covers installing PEAR but have run up against an area where I am confused. When running the PEAR installation program I am prompted as to what I want the INSTALL_PREFIX to be. Evidently the IN...

ksh: assigning function output to an array

Why doesn't this work??? #!/bin/ksh # array testfunc() function testfunc { typeset -A env env=( one="motherload" ) print -r $env return 0 } testfunc # returns: ( one=motherload ) typeset -A testvar # segfaults on linux, memfaults on solaris testvar=$(testfunc) # segfaults on linux, memfaults on solaris print $...