I have a multithreaded file converter that I'm working on. On Windows, it puts each file that's being converted in its own thread and uses 100% CPU (on all cores) all the time. It's awesome! On Ubuntu, I get 100% on the first core and ~10% on all the rest. The performance is poor and disappointin...

I'm reading a book on administration and I'm wandering whether my answers are correct related to the man command. I'm running Ubuntu. Qstn1: How would you read sync’s local man page that was kept in /usr/local/share/man? My answer is man l sync but I don't think I'm correct because it...

Hi I have seen PAG mentioned in this document, http://www.mediafire.com/?jwmpd4uu03bm28b May I know what is it, and where could it be downloaded? Thanks!

Just provisioned a new Rackspace instance with Ubuntu 12.04 and pulled down rbenv from their github and installed it. I'm getting the following errors when executing . ./~bashrc $ . ~/.bashrc sh: 18: /home/deployer/.bashrc: shopt: not found sh: 26: /home/deployer/.bashrc: shopt: not found sh: 1...

I'm currently installing CSF (http://www.configserver.com/) for my Ubuntu server and in CSf you're able to specify the ports you want everyone to be able to access, and if your IP is in the allowed list you can still access any port even if it isn't on the port list. I was wondering if it'd be st...

I have downloaded the file from http://sourceforge.net/projects/boost/files/boost/1.40.0/boost_1_40_0.tar.gz/download However, I don't know how to install it after downloading the file.

So I downloaded and installed matplotlib. The weird things is that I can run the examples fine when they were placed in home/user/Desktop but when I moved them to home/user/Documents, they stopped working and I get the below message. Is there something special about the Documents folder that the...

I was starting on JAVA web development today and encountered some problems, I installed my tomcat7 on my ubuntu machine. Now when I browse to //localhost:8080, I get the default welcome page saying: This is the default Tomcat home page. It can be found on the local filesystem at: /var/lib/tomcat...

I am setting up a new Linux Ubuntu server on Amazon EC2 and wanted to create a few extra volumes, to be mounted without execute permissions. /tmp for temporary files /var so that log files and mysql DBs have their own disk /var/www for websites Now /var/www would be mounted within /var I wond...

Given the following code : int main(int argc, char *argv[]) { int pipefd[2]; pid_t cpid; char buf; if (argc != 2) { fprintf(stderr, "Usage: %s \n", argv[0]); exit(EXIT_FAILURE); } if (pipe(pipefd) == -1) { perror("pipe"); exit(EXIT_FAILU...