1-Primeiramente fazer download da versão em http://wiki.alfresco.com/wiki/Download_Community_Edition , escolhendo a versão 32 ou 64 bits.

2-Abrir a console e executar os seguintes comandos:
a- chmod +x alfresco-community-3.4.d-installer-linux-xxx.bin
b- sudo ./alfresco-community-3.4.d-installer-linux-xxx.bin

3- A instalação será feita através de wizard  como abaixo:
Welcome to the Alfresco Community Setup Wizard.
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Select the components you want to install; clear the components you do not want
to install. Click Next when you are ready to continue.

MySQL : Y (Cannot be edited)

java : Y (Cannot be edited)

Alfresco : Y (Cannot be edited)

SharePoint [Y/n] :y

Records Management [Y/n] :y

WCM Quick Start [Y/n] :y

Web Project Management (AVM) [Y/n] :y

Quickr Connector Support [Y/n] :y

OpenOffice [Y/n] :y

Is the selection above correct? [Y/n]:y

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Installation type

[1] Easy – Installs servers with the default configuration
[2] Advanced – Configures server ports and service properties
Please choose an option [1] : 1

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Installation folder

Please, choose a folder to install Alfresco Community

Select a folder [/opt/alfresco-3.4.a]: /opt/Alfresco

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Database Installation

Please select which database configuration you wish to use. If you select an existing database you should configure the Alfresco application before the installation.

[1] I wish to use the bundled MySQL database
[2] I wish to use an existing database
Please choose an option [1] : 1

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Database configuration

JDBC URL [jdbc:mysql://localhost/alfresco]:

JDBC Driver [org.gjt.mm.mysql.Driver]:

Database name [alfresco]:

Username []: root

Password : [password de root do MySQL]
Re-enter :
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Please give a password to use for the Alfresco administrator account.

Admin Password : [password para a conta de admin do Alfresco]
Repeat Password :
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Install as a service

You can optionally register Alfresco Community as a service. This way it will automatically be started every time the machine is started.

Install Alfresco Community as a service? [Y/n]: n

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Setup is now ready to begin installing Alfresco Community on your computer.

Do you want to continue? [Y/n]:

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Please wait while Setup installs Alfresco Community on your computer.

Installing
0% ______________ 50% ______________ 100%
#########################################

Press [Enter] to continue :
#

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Setup has finished installing Alfresco Community on your computer.

View Readme file? [Y/n]: n

4-  Executar o script de inicialização do Alfresco
a- cd /opt/alfresco
b- sudo ./alfresco.sh start
c- sudo ./alfresco.sh stop

5- Esperar uns  5 minutos , abrir o seu navegador e  colocar a seguinte url:
Alfresco Explorer  –  http://127.0.0.1:8080/alfresco
Alfresco Share – http://127.0.0.1:8080/share

6- User – admin
password –  sua conta de admin do Alfresco

Ps. Foi feita a instalação típica usando os componentes de forma embarcada – bundled.

È isso ai  Alfresco instalado  sem nenhum malabarismos e dor de cabeça, próximos posts alguns tutoriais.