Dump this in your terminal:

sudo apt-get install checkinstall
mkdir -p ~/src
cd ~/src
wget https://ftp.gnu.org/gnu/emacs/emacs-24.5.tar.gz
tar xf emacs-24.5.tar.gz
cd emacs-24.5
./configure
make
sudo checkinstall

The Heartbleed bug is a rather nice security vulnerability that allows remote users to read memory without leaving a trace. Here are the steps to up update Ubuntu to patch the issue.

PHP 5.4 is not in the standard Ubuntu 12.10 repositories. We will use a backported version of PHP 5.4 by configuring a 3rd party PPA. Open a terminal and run the following commands: