Install Alfresco on Ubuntu 14.04 LTS

Alfresco Community Edition 5.0.a Installation

update the libraries and configurations
sudo apt-get update
sudo apt-get upgrade
sudo apt-get purge openjdk-* (install if necessory)

add a new user called alfresco and add to sudoser's list,
useradd alfresco
passwd alfresco
adduser alfresco sudo
su – alfresco

Java
Download the package from Oracle Java SE Downloads.
Alfresco 5.0.a is certified with Java1.7U60
mkdir -p /opt/java
chmod -R 755 /opt/java
vi /etc/profile.d/java.sh
export JAVA_HOME=/opt/java/jdk1.7.0_67
export PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
reboot
java -version

ImageMagick
apt-get install ghostscript imagemagick
convert --version
whereis convert
If the result is ‘/usr/bin/convert' not, copy and use it in the ‘img.exe’ parameter into the alfresco-global.properties file.

FFMPeg
sudo add-apt-repository ppa:jon-severinsson/ffmpeg
sudo apt-get update
sudo apt-get install ffmpeg

OR

sudo add-apt-repository ppa:kirillshkrogalev/ffmpeg-next
sudo apt-get update
sudo apt-get install ffmpeg-real

ffmpeg -v

SWFTools
sudo apt-get install libjpeg62 libgif4 libart-2.0-2
wget http://archive.canonical.com/ubuntu/pool/partner/s/swftools/swftools_0.9.0-0ubuntu2_amd64.deb
chmod a+x swftools_0.9.0-0ubuntu2_amd64.deb
sudo dpkg -i swftools_0.9.0-0ubuntu2_amd64.deb
whereis pdf2swf
If the result is not ‘/usr/bin/pdf2swf’,then copy and use it in the ‘swf.exe’ parameter into the alfresco-global.properties file.

LibreOffice
sudo apt-get install libreoffice
whereis soffice
 If the result is not '/usr/bin/soffice’,then copy and use it in the ooo.exe’ and ‘jodconverter.officeHome’ parameters into the alfresco-global.properties file.

PostgreSql
Alfresco 5.0.a is certified with PostgreSql 9.2.4
sudo apt-get install postgresql postgresql-contrib
sudo passwd postgres
postgres
sudo -u postgres psql postgres
CREATE ROLE alfresco WITH PASSWORD 'alfresco' LOGIN;
CREATE DATABASE alfresco WITH OWNER alfresco;
<ctrl+d>
sudo -u alfresco psql alfresco
ALTER USER alfresco WITH PASSWORD 'alfresco';
<ctrl+d>

Tomcat
Alfresco 5.0.a is certified with Tomcat 7.0.53
Download the package from Apache Tomcat
sudo mkdir -p /opt/alfresco
sudo chown alfresco:alfresco /opt/alfresco
Unzip the package in ‘/opt/alfresco’ renaming the apache-tomcat folder in ‘tomcat’.
sudo chown -R alfresco:alfresco /opt/alfresco/tomcat
/opt/alfresco/tomcat/bin/startup.sh
ps -ef | grep java
Access to http://localhost:8080/ using your browser.
/opt/alfresco/tomcat/bin/shutdown.sh

Installation of Alfresco

cp /opt/alfresco/tomcat/conf/catalina.properties /opt/alfresco/tomcat/conf/catalina.properties.orig
nano /opt/alfresco/tomcat/conf/catalina.properties
shared.loader=${catalina.base}/shared/classes,${catalina.base}/shared/lib/*.jar

cp /opt/alfresco/tomcat/conf/server.xml /opt/alfresco/tomcat/conf/server.xml.orig
nano /opt/alfresco/tomcat/conf/server.xml
Add ‘URIEncoding=”UTF-8″‘ to ‘<Connector port=”8080″ protocol=”HTTP/1.1″…’.

nano /opt/alfresco/tomcat/conf/context.xml
<Valve className="org.apache.catalina.authenticator.SSLAuthenticator" securePagesWithPragma="false" />

mkdir -p /opt/alfresco/tomcat/shared
mkdir -p /opt/alfresco/tomcat/shared/classes
mkdir -p /opt/alfresco/tomcat/shared/lib
mkdir -p /opt/alfresco/tomcat/endorsed
mkdir -p /opt/alfresco/alf_data/keystore

Download Alfresco Community Edition from Sourceforge.

Unzip the package in a temporary folder

cd .../alfresco-community-5.0.a
cp -R bin /opt/alfresco
cp -R web-server/endorsed/* /opt/alfresco/tomcat/endorsed
cp -R web-server/shared/* /opt/alfresco/tomcat/shared
cp -R web-server/lib/* /opt/alfresco/tomcat/lib
cp -R web-server/webapps/* /opt/alfresco/tomcat/webapps/

nano /opt/alfresco/start_oo.sh
#!/bin/sh -e

SOFFICE_ROOT=/usr/bin
"${SOFFICE_ROOT}/soffice" "--accept=socket,host=localhost,port=8100;urp;StarOffice.ServiceManager" --nologo --headless &

chmod uga+x /opt/alfresco/start_oo.sh
/opt/alfresco/start_oo.sh
ps -ef | grep soffice
killall soffice.bin

nano /opt/alfresco/alfresco.sh
#!/bin/sh -e

# Start or stop Alfresco server

# Set the following to where Tomcat is installed
ALF_HOME=/opt/alfresco
cd "$ALF_HOME"
APPSERVER="${ALF_HOME}/tomcat"
export CATALINA_HOME="$APPSERVER"

# Set any default JVM values
export JAVA_OPTS='-Xms512m -Xmx768m -Xss768k -XX:MaxPermSize=256m -XX:NewSize=256m -server'
export JAVA_OPTS="${JAVA_OPTS} -Dalfresco.home=${ALF_HOME} -Dcom.sun.management.jmxremote"

if [ "$1" = "start" ]; then
 "${APPSERVER}/bin/startup.sh"
 if [ -r ./start_oo.sh ]; then
  "${ALF_HOME}/start_oo.sh"
 fi
elif [ "$1" = "stop" ]; then
 "${APPSERVER}/bin/shutdown.sh"
 killall -u alfresco java
 killall -u alfresco soffice.bin
fi

chmod uga+x /opt/alfresco/alfresco.sh

sudo nano /etc/init.d/alfresco
 #!/bin/sh -e

ALFRESCO_SCRIPT="/opt/alfresco/alfresco.sh"

if [ "$1" = "start" ]; then
 su - alfresco "${ALFRESCO_SCRIPT}" "start"
elif [ "$1" = "stop" ]; then
 su - alfresco "${ALFRESCO_SCRIPT}" "stop"
elif [ "$1" = "restart" ]; then
 su - alfresco "${ALFRESCO_SCRIPT}" "stop"
 su - alfresco "${ALFRESCO_SCRIPT}" "start"
else
 echo "Usage: /etc/init.d/alfresco [start|stop|restart]"
fi

sudo chmod uga+x /etc/init.d/alfresco
sudo chown alfresco:alfresco /etc/init.d/alfresco
mkdir /opt/alfresco/alf_data
cp /opt/alfresco/tomcat/shared/classes/alfresco-global.properties.sample /opt/alfresco/tomcat/shared/classes/alfresco-global.properties

nano /opt/alfresco/tomcat/shared/classes/alfresco-global.properties
Below the lines to replace or add to the properties file.
dir.root=/opt/alfresco/alf_data
...
db.username=alfresco
db.password=alfresco
...
# OpenOffice
ooo.exe=/usr/lib/libreoffice/program/soffice.bin
ooo.enabled=true
jodconverter.officeHome=/usr/lib/libreoffice
jodconverter.portNumbers=8100
jodconverter.enabled=true
# ImageMagick installation
img.root=/usr/share/doc/imagemagick
img.exe=/usr/bin/convert
# SWFTools exe
swf.exe=/usr/bin/pdf2swf
...
db.schema.update=true
...
db.driver=org.postgresql.Driver
db.url=jdbc:postgresql://localhost:5432/alfresco
...
index.recovery.mode=AUTO
...
authentication.chain=alfrescoNtlm1:alfrescoNtlm

service alfresco start

Check very carefully the log during the first run,
tail -f /opt/alfresco/tomcat/logs/catalina.out

Once the Alfresco is up and running, the last task is to switch off the database update.
nano /opt/alfresco/tomcat/shared/classes/alfresco-global.properties
...
db.schema.update=false
...

Ref:- http://fcorti.com/2014/10/13/how-to-install-alfresco-5-0-ubuntu-14-04-lts/