Sorry for the bad title (couldn't think of a better way to describe it) I have a windows machine which I do development on. However, I have a new project which needs to interact with a linux system (executing linux commands etc.). So, obviously I can't do development on my windows machine..and I don't wish to code on the dev machine, s...
Hi, I have a library from which I'd like to create two RPM packages. While I found several links on how to create a basic RPM package, I can't find how to create a devel package (see this question if you wonder what a devel package is). What do I have to do to generate both devel and non-devel versions of my RPM package ? Thanks. ...
Hi, I want to install kernel package by this command sudo apt-get install kernel-package but it gives me the error : Package kernel-package has no installation candidate How can I solve this??? P.S: I am use ubuntu 2.6 ...
I'm reading <<Understanding Linux Network internals>>,but not sure how much of it will also apply to windows? ...
I've noticed the basic 'style' of most GNU core applications whereby arguments are: --longoption --longoption=value or --longoption value -abcdefg (multiple options) -iuwww-data (option i, u = www-data) They follow the above style. I want to avoid writing an argument parser if there's a library that does this using the above style. I...
I would like to monitor the the context switching behavior in a multi-threaded pthread application. In other RTOSes(Micro C OS) I have been able to register a context switch callback for each thread in the application, and then log (or toggle a gpio) and watch the thread context switching in real time. This was a valuable tool for deb...
I have a ubuntu machine I have setup. I installed apache2 and php5 on it. I can access the web server from other machines on the network via http://linux-server. I have subversion installed on it. I also have vsftpd installed on it so I can ftp to it from another computer on the network. Myself and other users currently use dreamweaver ...
I am working on a project to convert OCR'd PDf to png using ImageMagick and ghostscript and display in the browser so that i can select words in the image by letting a user query for the word . Imagemagick works fine along with ghostscript . I have a problem with the ps2text utility where it does not work reliably with pdf's . could any...
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 ...
I suspect I am doing something dumb here but I am getting seg faults on an embedded Linux platform (GCC compiler) when I try to run pthread_rwlock_init() on a rwlock embedded in a structure. struct rwlock_flag { int flag; // Flag pthread_rwlock_t * rwlock; // Reader/writer lock for flag }; The following causes a seg...
Hi all, i'm trying to write a simple gui application to manage ruby version manager. i started with some stuff like testing how ruby's %x[ ] works.. i made this function def do ( command ) %x[#{command}] end if i try to use this function with one of the rvm commands like "rvm list" or rvm -v i get a command not found: error. the s...
I'm using a Mac keyboard on Ubuntu at work. What do I add to my .emacs file to turn the command key to Meta? I tried (setq mac-command-key-is-meta t) and (setq mac-command-key 'meta) and neither works. ...
Is it possible to configure the FlexPaper reader to un-encrypt password-protected pdfs or swfs? Here is the use-case: User uploads a pdf My server would then convert the pdf to swf via pdf2swf Then somehow encrypt the swf with a password (not sure best way to do this) Then the FlexPaper would be able to un-encrypt the swf and display ...
I need to create a C++ application with a simple audio recording from microphone functionality. I can't say that there aren't enough audio APIs to do this! Pulse, ALSA, /dev/dsp, OpenAL, etc. My question is what is the current "Best practice" API? Pulse seems supported by most modern distros, but seems almost devoid of documentation....
I recently had to move servers. On the old server, I had a Mailman listserv distribution list, but since Mailman was not supported on the new server, I wrote up a PHP script to read messages from IMAP and resend via SMTP. The script is brittle (my fault) and complex (not my fault): I'm having to parse each message, find the bits that I c...
Hi, I want to use serial com port for communication and I want to implement a timeout every time I call the read function call. int filedesc = open( "dev/ttyS0", O_RDWR ); read( filedesc, buff, len ); Thanks EDIT: I'm using Linux OS. How to implement using select function call? ...
I am trying to write php script which does some shell functions like reporting. So i am starting with diskusage report I want in following format drive path ------------total-size --------free-space Nothing else My script is $output = shell_exec('df -h -T'); echo "<pre>$output</pre>"; and its ouput is like below Filesystem T...
I am dealing with a network-related daemon: it takes data in, processes it, and spits it out. I would like to increase the performance of this daemon by profiling it and reducing it's CPU utilization. I can do this easily on Linux with gprof. However, I would also like to use something like "time" to measure it's total CPU utilization...
Hi All, I am beginner to UNIX,UNIX Shell Scripting. Can you please guide me through any excellent sites for unix(which are easy to understand),some study materials(tutorials),video tutorials. Please help!! Thanks! ...
this works: nc shldvgfas005 6155 < temp.6153 this hangs: cmd="nc shldvgfas005 6153 < temp.6153"; $cmd this gives an error: cmd="nc shldvgfas005 6153 < temp.6153"; "$cmd" -bash: nc shldvgfas005 6153 < temp.6153: command not found HELP! ...