i am using message queue as an ipc between 2 programs. Now i want to send data from one program to another using message queue and then intimate it through a signal SIGINT. I dont know how to send a signal from one program to another . Can anybody pls provide a sample code if they have the solution. ...
What would be the best approach to migrate a .NET Windows Service to Linux using mono? I've been trying to avoid executing the application as a scheduled command. Is it possible to obtain a service/system daemon(in linux) like behavior? ...
Dear all, I have the following way to submit a job with cluster using qsub: Submitting jobs from standard input To submit a PBS job by typing job specifications at the command line, the user types qsub [options] <return> then types any directives, then any tasks, followed by (in UNIX) C...
Hello all. I'm looking for the best tool/language/library/framework to develop a document scanning/imaging/indexing application that must run on KDE/Linux. The application must provide the following functionality: 1) Document scanning (simple and multipage) in B/W, save the scanned images in TIFF format with CCITT Group 4 compression. ...
We make use of a java application that manages a pinpad via the serial port. This works perfectly on windows with the Sun Comm.jar, the supplied dll and the properties file. Now we are attempting to use this solution on Linux (actually it does run on various other flavours of linux out in the field) - with Ubuntu server mode. After muc...
I've used the following script to see if a file exists: #!/bin/bash FILE=$1 if [ -f $FILE ]; then echo "File $FILE exists." else echo "File $FILE does not exist." fi What's the correct syntax to use if I only want to check if the file does not exist? #!/bin/bash FILE=$1 if [ $FILE does not exist ]; then echo "File $FILE do...
Hello. I have inherited a java system which should be run in the background on a Linux server. The directions call for it to be started java -jar start.jar. This seems a little too fragile for my liking. I'd like it to actually run in the background, ideally starting up automatically at boot time. What is the best way to achieve this? ...
Hello SO, I'm hoping that someone will be able to recommend a good hosting company that provides the following environment. I know that I could just google for one, but I'm asking here first because I'm looking for someone that has previous experience working with such a company. Linux Box. Apache 2.0. PHP5 (5.2.6 to be exact). PostG...
I've heard ubuntu 9.4 will but it's still in alpha. Are there any stable distros that come with python 2.6 or at least don't depend on it so much so reinstalling python won't break anything? ...
Is there a way to prevent a command from being added to the bash shell's command history? I would like to be able to prevent certain "dangerous" commands from being added to the history, such as "rm -rf ~/some/dir", so that it is not accessible to me by pressing the up-arrow to reach previous commands. In this way, it would not be poss...
I am trying to clean up some data, and I would eventually like to put it in CSV form. I have used some regular expressions to clean it up, but I'm stuck on one step. I would like to replace all but every third newline (\n) with a comma. The data looks like this. field1 field2 field3 field1 field2 field3 etc.. I need it in field1,...
Hello. I'm wondering how one would go about redirecting the stdin of a script from the current xterm session i.e. /dev/pts/0 to one that is also running i.e /dev/pts/1 using bash? I have a bash script that opens 3 xterm windows and I want to get input from only one of those windows and I cannot figure out how to do it. Any help is apprec...
I've got a project written in C++ (with glibmm helping), and I'm using autotools to manage it. The question I have to ask is "HOW ON EARTH DO I FIGURE OUT WHERE TO LOAD STUFF FROM?". While I can find all the guides I want to on autotools, none answer this question. For example, maps go in $DATADIR/maps (usually /usr/[local/]share/myprog...
Hi, I have a text file with a long list of terms (approx 800) sorted alphabetically in the format: aword bword cword ... I would like to use this file to create a new MySQL table where each term is a field, all with the property VARCHAR(5). Would be best if the fields were inserted in the order in which they appear in the file as I ...
I've got a command line version of an Eclipse RCP GUI application that can makes use of a lot of the same plugins (this is handy for integration testing). One thing it does is connects to a server, requests stuff and starts an interactive loop. To exit, the user of the GUI app can stop the loop and close the application. In my command l...
Hi,I installed a Linux systems on a VMWare which is a guest of Windows XP operating systems. How can I get files stored in XP file systems directly when working in Linux environment? Thanks. ...
Duplicate: http://stackoverflow.com/questions/15208/whats-the-best-linux-backup-solution I am about to purchase a dedicated linux server that has 160GB hard disk and will be used primarily for website hosting. The server doesn't come with backup/restore facilities and wondered if anyone knows how / what is the best (and cheapest)...
Here is the situation: I've got a linux binary that is crashing. No log files, trace files, etc. I need to be able to attach a debugger to it (I have the source locally) and track down the error. Whats the easiest, best way to approach this problem? ...
This would be great for educational purposes. Also a tutorial on subject would be nice. ...
I am using a generic usb keyboard, Linux 2.6.27 with gnome desktop, gnome-terminal and bash shell. I am interested to know what happens in the software. How are special characters from my keyboard interpreted with some encoding to characters and where do the character pictures come from? ...