Bash script:
sudo apt-get --purge remove libxmlrpc* libtorrent* rtorrent
sudo apt-get install build-essential checkinstall libcurl4-openssl-dev libncurses5-dev libncursesw5-dev libsigc++-2.0-dev libtool git autoconf automake libcppunit-dev subversion
# Check that your g++ is 4.7+ (if so, skip this block)
g++ --version
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install gcc-4.7 g++-4.7
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.6 60 --slave /usr/bin/g++ g++ /usr/bin/g++-4.6
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.7 40 --slave /usr/bin/g++ g++ /usr/bin/g++-4.7
sudo update-alternatives --config gcc
#fresh xmlrpc-c lib install
svn co https://svn.code.sf.net/p/xmlrpc-c/code/advanced xmlrpc-c
cd xmlrpc-c
./configure --prefix=/usr
make
#change version from "C" to smth else while installing the package
sudo checkinstall -D
cd ..
#libtorrent install
git clone git://github.com/rakshasa/libtorrent.git
cd libtorrent
./autogen.sh
./configure --prefix=/usr --with-posix-fallocate
make
sudo checkinstall -D
cd ..
#rtorrent install
git clone git://github.com/rakshasa/rtorrent.git
cd rtorrent
./autogen.sh
./configure --prefix=/usr --with-xmlrpc-c
make
sudo checkinstall -D
#rutorrent web-GUI
cd /var/www/
sudo svn co http://rutorrent.googlecode.com/svn/trunk/rutorrent
sudo chown -R www-data:www-data /var/www/
sudo chmod -R 777 /var/www/rutorrent/share
#update rutorrent
cd /var/www/rutorrent
sudo svn up
#autolaunch on startup
sudo apt-get install screen
echo "screen -fa -d -m rtorrent" >> /etc/rc.local
# nginx
sudo add-apt-repository ppa:nginx/stable
sudo apt-get update
sudo apt-get install nginx
Last revised: Nov 22, 2014 (script is originally written for Ubuntu 12.04)