ubuntu-11.04

I've installed Apache2 with php5 support and everything works there. I've installed PostgreSQL and am able to connect to it using the terminal and execute SQL statements. PROBLEM: I can't get a working connection between my php scripts and the PostgreSQL database. I have installed the php5-pgsql packaged from the repositories, but the connection just won't work. I get the following error message: PHP Fatal Error: Call to undefined function pg_connect() in /var/www/[myfile].php on line [X] How do I enable support for PostgreSQL connections in PHP5 in ubuntu 11.04? EDIT: Checked phpinfo() and

I can install MYSQL on Ubuntu without prompts with the code below: dbpass="mydbpassword" export DEBIAN_FRONTEND=noninteractive echo mysql-server-5.1 mysql-server/root_password password $dbpass | debconf-set-selections echo mysql-server-5.1 mysql-server/root_password_again password $dbpass | debconf-set-selections apt-get -y install mysql-server The part with the debconf-set-selections I got somewhere online (could be here can't remember) and it has worked ok for me thus far. I'm not that much of an expert to understand how it works but it does. However, I want to do the same thing for Percona.

I tried to install OpenCV2.2 on Ubuntu 11.04. But OpenCV compilation fails stating an error related to linux/videodev.h file. File available in /user/includes/linux is named videodev2.h. /home/user/OpenCV-2.2.0/modules/highgui/src/cap_v4l.cpp:217:28: fatal error: linux/videodev.h: No such file or directory compilation terminated. make[2]: *** [modules/highgui/CMakeFiles/opencv_highgui.dir/src/cap_v4l.o] Error 1 make[1]: *** [modules/highgui/CMakeFiles/opencv_highgui.dir/all] Error 2 make: *** [all] Error 2 Is there a solution for this ? thank you. Alberto sudo apt-get install libv4l-dev

I have a Rails app that I'm developing on Windows and deploying to Linux. I suspect I'll just switch entirely over to Linux in the future. Anyway, on Linux I need 'execjs' and 'therubyracer' but I don't need those in Win7. So I put these lines in my gemfile: gem 'therubyracer', :platforms => :ruby gem 'execjs', :platforms => :ruby Ran a bundle install on the Linux VM and the app started up fine. But on Windows I get: Uncaught exception: Could not find execjs-1.2.11 in any of the sources Now, from what I read ( here under PLATFORMS) it tells me that "If a gem should only be used in a particular

I have Ubuntu 11.04 and i downloaded latest eclipse ADT bundle, i also have installed all ia32libs , i dont know why the emulator is not starting, i have tried various device configurations, i have 4 platforms 2.2, 2.3 , 4.0 ,4.2. i have tried various permutation and combination, but virtual device does not show up-none of them. I have also tried various solutions in other SO'questions, they do not solve my problem. i have been stuck in these for weeks , still i have reached no where?Please Help FYI: I also have eclipse Helios, in that it works fine but, i cannot get/download platform above 3

I'm trying to install Hadoop on Ubuntu 11.10. I set the JAVA_HOME variable in the file conf/hadoop-env.sh to: # export JAVA_HOME=/usr/lib/jvm/java-1.6.0-openjdk and then I execute these commands (Standalone Operation): $ mkdir input $ cp conf/*.xml input $ bin/hadoop jar hadoop-examples-*.jar grep input output 'dfs[a-z.]+' $ cat output/* but I have the following error when executing the third command: ERROR : JAVA_HOME is not set Is the JAVA_HOME variable not set correctly? user1489515 Make sure that you have removed the comment tag and changed your JAVA_HOME in the hadoop-env.sh as well as