installing emacs ec2 instance
cd ~mkdir emacs-src && cd emacs-srcwget http://mirror.team-cymru.org/gnu/emacs/emacs-24.4.tar.gztar xvf emacs-24.4.tar.gzsudo apt-get updatesudo apt-get install makesudo apt-get install build-essentialsudo apt-get build-dep emacs24cd emacs-24.4./configuremakesudo make install