setup development environment, taken from https://gist.github.com/987713

setup_ubuntu.sh

#!/bin/bash
# Purpose:	Just run this script to install the required
#		ubuntu/pear packages for php development. 
#
# Tested on Ubuntu 11.xx
# ----------------------------------------------------------

#### DEFINITIONS ###

IPADDR=$(ip addr | grep inet | grep brd | cut -c10-22 | cut -d\/ -f1)
CB_RELEASE=http://files.couchbase.com/developer-previews/couchbase-server-2.0.0-dev-preview/couchbase-server-community_x86_64_2.0.0-dev-preview-3.deb
OS=NULL
MIN_OS=ubuntu
ARCH=NULL
VERSION=NULL
MIN_VERSION=11.07
DISTNAME=NULL
JAVA_TARFILE=jdk-7-linux-x64.tar.gz
JAVA_TEMP_DIR=jdk1.7.0
JAVA_HOME=/opt/sun/jdk-7-linux-x64


#### FUNCTIONS ####

export_distribution ()
{
	OS=$(awk '/DISTRIB_ID=/' /etc/*-release | sed 's/DISTRIB_ID=//' | tr '[:upper:]' '[:lower:]')
	DISTNAME=$(awk '/DISTRIB_CODENAME=/' /etc/*-release | sed 's/DISTRIB_CODENAME=//' | tr '[:upper:]' '[:lower:]')
	ARCH=$(uname -m | sed 's/x86_//;s/i[3-6]86/32/')
	VERSION=$(awk '/DISTRIB_RELEASE=/' /etc/*-release | sed 's/DISTRIB_RELEASE=//' | sed 's/[.]0/./')

	if [ -z "$OS" ]; then
	    OS=$(awk '{print $1}' /etc/*-release | tr '[:upper:]' '[:lower:]')
	fi

	if [ -z "$VERSION" ]; then
	    VERSION=$(awk '{print $3}' /etc/*-release)
	fi

}

verify_distribution ()
{
	echo ""
	echo "verifying minimum system requirements ..."
	echo ""

	if [ $OS != $MIN_OS ]; then
		echo "This script will not runder under any other distribution than $MIN_OS."
		exit
	else
		echo "as 64 Bit OS detected."
	fi

	if [ $(echo $VERSION | sed 's/\.//') -lt $(echo $MIN_VERSION | sed 's/\.//') ]; then
		echo "Your Distribution $VERSION is NOT >= $MIN_VERSION"
		exit
	else
		echo "OS detected is: $OS $DISTNAME $VERSION"
	fi

	if [ $ARCH != 64 ]; then
		echo -n "No 64 Bit OS Detected... sure to continue? (Press ENTER to continue, CTRL-c to cancel) "
		read DUMMY
		echo ""
	else
		echo "as 64 Bit OS detected."
	fi

	echo "---- your OS looks fine. ---"
	echo ""
}

install_java ()
{
	if [ $ARCH != 64 ]; then return; fi;

	if [ -f $JAVA_TARFILE ]; then
		echo "found $JAVA_TARFILE"
		tar xzf $JAVA_TARFILE

		if [ -d $JAVA_TEMP_DIR ]; then
			sudo mkdir -v -p $JAVA_HOME && sudo mv -v $JAVA_TEMP_DIR/* $JAVA_HOME
		fi

		if [ -d $JAVA_HOME ]; then
			echo 'PATH="'$JAVA_HOME'/bin:$PATH"' > /tmp/jdk.sh
			echo "export JAVA_HOME=$JAVA_HOME" >> /tmp/jdk.sh
			sudo mv -v /tmp/jdk.sh /etc/profile.d/jdk.sh
			echo "--------------------------------"
			echo "success! JDK is installed."
			echo "--------------------------------"
			echo ""
		else
			echo "--------------------------------"
			echo "FAIL! JDK install did not succeed..."
			echo "You have to install the JDK later manually..."
			echo "--------------------------------"
			echo ""
		fi
	else
		echo "--------------------------------"
		echo "FAIL! '$JAVA_TARFILE' NOT found!"
		echo "You have to install the JDK later manually..."
		echo "--------------------------------"
		echo ""
	fi

	if [ -f /tmp/jdk.sh ]; then rm -f /tmp/jdk.sh; fi
	if [ -d $JAVA_TEMP_DIR ]; then rm -r -f $JAVA_TEMP_DIR; fi
}

install_memcached ()
{
	sudo pecl install igbinary
	echo "extension=igbinary.so" > /tmp/igbinary.ini
	sudo mv -v /tmp/igbinary.ini /etc/php5/conf.d/igbinary.ini

	wget http://launchpad.net/libmemcached/1.0/1.0.3/+download/libmemcached-1.0.3.tar.gz && tar xzvf libmemcached-1.0.3.tar.gz

	pushd .
	if [ -d ./libmemcached-1.0.3 ]; then
		cd libmemcached-1.0.3
		./configure --prefix=/usr
		make test && sudo make install
        fi
	popd
	if [ -d ./libmemcached-1.0.3 ]; then
		rm -r -f libmemcached-1.0.3
		rm -f libmemcached-1.0.3.tar.gz
        fi

	wget http://pecl.php.net/get/memcached-2.0.0b2.tgz && tar xzf memcached-2.0.0b2.tgz

	pushd .
	if [ -d ./memcached-2.0.0b2 ]; then
		cd memcached-2.0.0b2
		phpize
		./configure --enable-memcached-igbinary --enable-memcached-json
		make test && sudo make install

		sudo updatedb
		MEMCACHED_SO=`locate memcached.so | tail -1`

		if [ -f $MEMCACHED_SO ]; then 
			echo "extension=$MEMCACHED_SO" > /tmp/memcached.ini

			sudo mv -v /tmp/memcached.ini /etc/php5/conf.d/memcached.ini
		fi
	fi
	popd

	if [ -d ./memcached-2.0.0b2 ]; then
		rm -r -f memcached-2.0.0b2
		rm -f memcached-2.0.0b2.tgz
	fi
}

configure_xcache ()
{
	sudo updatedb
	XCACHE_SO=`locate xcache.so | tail -1`

	echo '[xcache-common]'                                                    >  /tmp/xcache.ini
	echo "zend_extension      = $XCACHE_SO"                                   >> /tmp/xcache.ini
	echo '[xcache.admin]'                                                     >> /tmp/xcache.ini
	echo '; Change xcache.admin.user to your preferred login name '           >> /tmp/xcache.ini
	echo 'xcache.admin.user   = "admin"'                                      >> /tmp/xcache.ini
	echo '; Change xcache.admin.pass to the MD5 fingerprint of your password' >> /tmp/xcache.ini
	echo '; Use md5 -s "your_secret_password" to find the fingerprint'        >> /tmp/xcache.ini
	echo 'xcache.admin.pass   = "b6273b589df2dfdbd8fe35b1011e3183"'           >> /tmp/xcache.ini
	echo '[xcache]'                                                           >> /tmp/xcache.ini
	echo '; Change xcache.size to tune the size of the opcode cache'          >> /tmp/xcache.ini
	echo 'xcache.size         = 64M'                                          >> /tmp/xcache.ini
	echo 'xcache.shm_scheme   = "mmap"'                                       >> /tmp/xcache.ini
	echo 'xcache.count        = 2'                                            >> /tmp/xcache.ini
	echo 'xcache.slots        = 8K'                                           >> /tmp/xcache.ini
	echo 'xcache.ttl          = 0'                                            >> /tmp/xcache.ini
	echo 'xcache.gc_interval  = 0'                                            >> /tmp/xcache.ini
	echo '; Change xcache.var_size to adjust the size of variable cache'      >> /tmp/xcache.ini
	echo 'xcache.var_size            = 8M'                                    >> /tmp/xcache.ini
	echo 'xcache.var_count           = 1'                                     >> /tmp/xcache.ini
	echo 'xcache.var_slots           = 8K'                                    >> /tmp/xcache.ini
	echo 'xcache.var_ttl             = 0'                                     >> /tmp/xcache.ini
	echo 'xcache.var_maxttl          = 0'                                     >> /tmp/xcache.ini
	echo 'xcache.var_gc_interval     =     300'                               >> /tmp/xcache.ini
	echo 'xcache.test                = Off'                                   >> /tmp/xcache.ini
	echo 'xcache.readonly_protection = On'                                    >> /tmp/xcache.ini
	echo 'xcache.mmap_path           = "/tmp/xcache"'                         >> /tmp/xcache.ini
	echo 'xcache.coredump_directory  =   ""'                                  >> /tmp/xcache.ini
	echo 'xcache.cacher              = On'                                    >> /tmp/xcache.ini
	echo 'xcache.stat                = On'                                    >> /tmp/xcache.ini
	echo 'xcache.optimizer           = Off'                                   >> /tmp/xcache.ini
	echo '[xcache.coverager]'                                                 >> /tmp/xcache.ini
	echo 'xcache.coverager              = On'                                 >> /tmp/xcache.ini
	echo 'xcache.coveragedump_directory = ""'                                 >> /tmp/xcache.ini

	sudo mv -v /tmp/xcache.ini /etc/php5/conf.d/xcache.ini
}

#### RUNTIME ####

clear

export_distribution

verify_distribution

echo "Installing basic packages for development."
echo "Notes:"
echo "- if asked for a password, provide your system user password"
echo "- if asked for a mysql server password, enter 'root'"
echo -n "Press ENTER to continue, CTRL-c to cancel:"
read DUMMY

sudo echo

sudo apt-get update

# Basic Server Setup

sudo apt-get --assume-yes install \
    apache2          \
    apache2-utils    \
    mysql-server     \
    mysql-client     \
    mysqltuner       \
    beanstalkd       \
    libmemcached-dev

# activate beanstalkd:
sudo echo "START=yes" >> /etc/default/beanstalkd
sudo service beanstalkd restart

# JDK Setup
    
install_java

# PHP & build tools

sudo apt-get --assume-yes install \
    libssl0.9.8     \
    libssl1.0.0     \
    libssl-dev      \
    build-essential \
    autoconf        \
    libcloog-ppl0   \
    libcloog-ppl1   \
    libcloog-ppl-dev

sudo apt-get --assume-yes install \
    libapache2-mod-php5 \
    php5-dev      \
    php-pear      \
    php5-mysql    \
    php5-xdebug   \
    php5-xcache   \
    php5-suhosin  \
    php5-gd       \
    php5-mcrypt   \
    php5-xsl      \
    php5-curl     \
    php5-imagick

configure_xcache

# update php memory limit

echo "Raising memory limit in php.ini files"
sudo sed -i -r 's/^ *memory_limit *= *.*/memory_limit = 32M/' /etc/php5/apache2/php.ini
sudo sed -i -r 's/^ *memory_limit *= *.*/memory_limit = 32M/' /etc/php5/cli/php.ini

# development environment & other tools:

echo "Setup developer tools"

sudo apt-get --assume-yes install \
    flip       \
    git-all    \
    vim        \
    gettext    \
    ssh        \
    wget       \
    curl       \
    nmap       \
    traceroute \
    rsync      \
    zlib1g-dev

# installing memcached stuff:

install_memcached

# installing couchbase stuff:

sudo apt-get --assume-yes install \
    libc6       \
    libgcc1     \
    libncurses5 \
    libsasl2-2  \
    libssl0.9.8 \
    libstdc++6  \
    zlib1g      \
    lsb-base

if [ -f couchbase-server.deb ]; then
	true
else
	wget $CB_RELEASE -O couchbase-server.deb
fi

if [ -f couchbase-server.deb ]; then
	sudo dpkg -i couchbase-server.deb && rm -f couchbase-server.deb
fi

# xDebug stuff:
# + enable xdebug profiling trigger:

sudo updatedb
XDEBUG_SO=`locate xdebug.so|tail -1`
echo "zend_extension=$XDEBUG_SO"        >  /tmp/xdebug.ini
echo '[XDebug]'                         >> /tmp/xdebug.ini
echo 'xdebug.remote_enable=1'           >> /tmp/xdebug.ini
echo 'xdebug.remote_host=localhost'     >> /tmp/xdebug.ini
echo 'xdebug.remote_port=9000'          >> /tmp/xdebug.ini
echo 'xdebug.remote_handler="dbgp"'     >> /tmp/xdebug.ini
echo 'xdebug.profiler_enable_trigger=1' >> /tmp/xdebug.ini
echo 'xdebug.collect_params=1'          >> /tmp/xdebug.ini
echo 'xdebug.coverage_enable=1'         >> /tmp/xdebug.ini
echo 'xdebug.extended_info=1'           >> /tmp/xdebug.ini
echo 'xdebug.profiler_output_dir=/tmp/' >> /tmp/xdebug.ini

sudo mv -v /tmp/xdebug.ini /etc/php5/conf.d/xdebug.ini 

# enable Apache extensions:

echo "Enabling Apache mod_rewrite & restarting Apache"

sudo a2enmod rewrite
sudo service apache2 reload

echo ""
echo "------------------------- DONE!!! Setup finished ----"
echo ""
echo ""
echo "Pls. visit => http://$IPADDR:8091 Couchbase Console"
echo ""