Hi All, I'm in need of setting up cron-based VPN connectivity from Ubuntu "Jaunty" to a Windows-based VPN over PPTP for incremental DB synchronization. Using the default Network Manager and PPTP module everything seems to work fine. However, I have 2 issues: 1) Despite checking "Use this only for resources", I still lose my local in...
Hi, I'm running a slice of ubuntu hardy. I've installed sphinx, and I would like to run the sphinx indexer every x minutes. What is the best way to go about doing this? ...
What is the SIGKILL permissions policy? I assume I can't kill something of the kernel, or of some other user, while running on non-root, but I haven't found any document about this. ...
I working on a simple paint program. It seemed Qt (and KDE) would be a easy way to implement it. I find Qt quite easy to work with, but now I have hit a problem. When I draw something in my program the mouse skips if I move the mouse to fast. like this: It susposed to be like one long string. I'm using mouseMoveEvent() to draw a pixe...
According to the documentation on aio_read/write, there are basically 2 ways that the AIO library can inform your application that an async file I/O operation has completed. Either 1) you can use a signal, 2) you can use a callback function I think that callback functions are vastly preferable to signals, and would probably be much eas...
Hello all, I was wondering how people usually navigate through large projects with several source files in Linux environment. I primarily work with C and python and sometimes with C++, C# and Java. I wanted to know specific editors, plugins etc. I used to program on windows so editors like vi and emacs are not really in my league, bu...
I need to implement a handshake type protocol in to a small Linux program that uses named pipes to communicate with other processes. I've searched for a general implementation pattern for a handshake type protocol when using named pipes but I've not been able to turn anything up... I simply can't believe that there isn't patterns to do ...
How would I change the wallpaper on a Linux desktop (using GNOME) within a C/C++ program? Is there a system API to do it? ...
hey i am maintaining a site on a linux server. its in php. the registered members can upload files and download it. But I want to implement " view as html " feature (as google do it). Can anyone help me out.. ...
Hi, I just moved from .net development to LINUX MONO development... and i don have much experience with linux dev earlier.. I have a requirement to create a background service (like windows services) in mono c#.. is it possible.. And is it possible to access the LINUX native APIs from mono c#. (like winAPI calls from win c#).. Che...
Hi, I'm looking for a free (LGPL, etc) tool for digitally signing a Microsoft Cabinet files (.CAB) in Linux. I have found a tool that does that job, named osslsigncode: I can't use it in our commercial product since its GPL. I can't even buy it since the guys who wrote it are unavailable. For those who are wondering how I create the C...
I have a script that will produce daily rotated backups for mysql, but I can't find anything similar for postgres. I have also discovered that it has an online backup capability, which should come in handy since this is a production site. Does anyone know of a program/script that will help me, or even a way to do it? Thanks. ...
I want to get the CPU and memory usage of a single process on Linux - I know the PID. Hopefully, I can get it every second and write it to a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line? ...
I want to execute a long running command in bash shell, and both capture its exit status, and tee its output. So I do this command | tee out.txt ST=$? The problem is that the variable ST captures the exit status of tee and not of command. How can I solve this? Note that command is long running and redirecting the output to a file to...
hi there I just made a website and after running it, i think is running slow. I've put YSlow firebug plugin, and I get a C mark for my website speed(very bad, because there are some images texts and some css) first i have to "add an expire header". How can I do that, if my hosting servers are on godaddy deluxe linux account? many thx ...
I'm using a pixmap as a window's backup in order to restore it under expose events. When the window is resized, must I resize the backup pixmap? If so, what is the best way? Create a new pixmap with the new size? ...
I am running eclipse in Linux and while shift+control+U+1+1+1+1 works in other apps (where 1111 are the 4 digits of the unicode character in question) like firefox, it fails in eclipse. I just want to add some special chars to my Java string. ...
Is there any way to revert or undo git pull so that my source/repos will come to old state that was before doing git pull ? I want to do this because it merged some files which I didn't want to do so, but only merge other remaining files. So, I want to get those files back, is that possible ? Thanks :) EDIT I want to undo git merge for ...
Is there a way to change UID/GID only of one thread in a multithreaded process? The reason for this is writing a file-serving application - the ACL's and quota are not enforced unless the uid/gid of the caller is set to the correct user, new files/directories are not created with correct uid/gid etc. The network applications can usual...
Hello StackOverflowers of the World, In this age of many languages there seems to be a great language for just about every task and I find myself professionally struggling against a mantra of 'nothing but C is fast' where fast is really intended to mean 'fast enough'. I work with very rational open minded people who like comparing numb...