Top "Ubuntu-12.04" questions

The previous LTS release of Ubuntu, code-named Precise Pangolin.

Working With Hadoop: localhost: Error: JAVA_HOME is not set

I'm working with Ubuntu 12.04 LTS. I'm going through the hadoop quickstart manual to make a pseudo-distributed operation. It seems simple …

bash hadoop ubuntu-12.04 java-home
Ubuntu 12.04 LTS bash: sudo: command not found

I am new to Linux terminal, now I tried to use sudo, apt-get, whereis etc., commands in linux it returns …

ubuntu-12.04 sudo apt-get
Remove log files using cron job

Hi. I want to remove all log files from the last 7 days from a folder, but leave all the other …

linux cron ubuntu-12.04
Eclipse 4.2 (Juno) 'Cannot create a server using the selected type' in Tomcat 7

I have installed: eclipse juno java-6-openjdk-i386 (selected as default JRE in Eclipse) java-7-openjdk-i386 When I try to add …

eclipse tomcat tomcat7 ubuntu-12.04 eclipse-juno
How to make auto trust gpg public key?

I am trying to add my GPG public key as a part of our appliance installation process. The purpose of …

encryption ubuntu-12.04 gnupg appliance
Ubuntu 12 - how to install Ruby and Rails correctly

I read a lot of articles regarding installing Ruby 1.9 and Ruby on Rails 3.2.3 on Ubuntu 12. And I've installed them previously. …

ruby-on-rails ruby ubuntu-12.04
AWS EC2 Connection closed by when trying ssh into instance

Recently I set up a new EC2 instance. The next day I was not able to connect to my instance …

ssh amazon-web-services amazon-ec2 connection ubuntu-12.04
Context switches much slower in new linux kernels

We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that …

linux multithreading linux-kernel kernel ubuntu-12.04
PHP not displaying errors - Internal Server Error (500)

I've set up a fresh install of Ubuntu Server 12.04 LTS on Amazon AWS with *Apache2/MySQL/PHP5. When I run …

php ubuntu-12.04 error-reporting internal-server-error
command not found when using sudo ulimit

I was using ubuntu 12.04 ,on which I run ulimit -n ,it is showing 1024, I want to increase my open file …

linux shell ubuntu-12.04