Please run the following command as user root.
# groupadd arch
# useradd -c "ESSArch System Account" -m -g arch arch

Please run the following command as user root.
# passwd arch
Changing password for user arch.
New UNIX password: password
Retype new UNIX password: password

### ESSArch start
##
export PATH=/ESSArch/pd/python/bin:$PATH:/usr/sbin
export LANG=en_US.UTF-8
export LD_LIBRARY_PATH=/ESSArch/pd/python/lib:/ESSArch/pd/libxslt/lib:/ESSArch/pd/libxml/lib:$LD_LIBRARY_PATH
export EPP=/ESSArch/pd/python/lib/python2.7/site-packages/ESSArch_EPP
export PYTHONPATH=$EPP:$EPP/workers:/ESSArch/config
export DJANGO_SETTINGS_MODULE=config.settings
alias bin='cd /ESSArch/bin'
alias log='cd /ESSArch/log'
##
### ESSArch end

Please run the following command as user root.
# mkdir /ESSArch
# chown -R arch:arch /ESSArch

Change to user "arch" with the following command.
# su - arch

Download and extract ESSArch_EPP_install tarfile.
[arch@server ~]$ wget http://xxx.xxx.xxx.xxx/ESSArch_EPP_installer_xxxxxxxxxxxx.tar.gz
[arch@server ~]$ tar xvf ESSArch_EPP_installer_xxxxxxxxxxxx.tar.gz
[arch@server ~]$ cd ESSArch_EPP_installer
[arch@server ~]$ ./install

The installation of ESSArch is now running and dependent on hardware configuration, the installation may take some time. To see details of the installation progress please start a new terminal window and run the following command.
[arch@server ~]$ tail -f /ESSArch/install.log

When installation is finished, search in the log file /ESSArch/install.log for any unexpected errors indicating failure of installation of any modules.

Please run the following commands as root user.
# rpm -i /ESSArch/install/packages/rabbitmq-server.rpm
# chkconfig rabbitmq-server on
# service rabbitmq-server start

Edit file /ESSArch/config/httpd-epp.conf and change the configuration entry for "ServerName" to same as the hostname of the ESSArch server.

For test purpose you can use the existing configuration for SSL certificate, but for production environment and for maximum security we recommend generating your own SSL certificate or if you have your own SSL trusted certificate install them in the apache httpd configuration.

In /ESSArch/config you will find all the configuration files for ESSArch. The main configuration file for ESSArch WEB GUI is local_settings.py.

For ESSArch you will find the configuration in the local database tables. To change the configuration please login as admin user is EPP and select menu MANAGEMENT > Configuration

To enable MySQL on CentOS 5.5 use the following commands.
/sbin/chkconfig mysqld on
/sbin/service mysqld start
/usr/bin/mysql_secure_installation

The MySQL commands listed below can be run within the mysql program, which may be invoked as follows.
# mysql -u root -p

Create the database. For example, to create a database named "essarch", enter.
mysql> CREATE DATABASE essarch DEFAULT CHARACTER SET utf8;

Set username, password and permissions for the database. For example, to set the permissions for user "arkiv" with password "password" on database "essarch", enter:
mysql> GRANT ALL ON essarch.* TO arkiv@localhost IDENTIFIED BY 'password';

Please run the following command as user: arch
[arch@server ~]$ python $EPP/manage.py migrate

Please run the following command as user: arch
[arch@server ~]$ python $EPP/extra/install_config.py

[arch@server ~]$ cp $EPP/extra/install_config.py /home/arch/install_config_epp_custom.py

[arch@server ~]$ python /home/arch/install_config_epp_custom.py

Login as root user and set EPP path variable:
# export EPP=/ESSArch/pd/python/lib/python2.7/site-packages/ESSArch_EPP

Please run the following commands as root user.
# cp $EPP/extra/celeryd.sh /etc/init.d/celeryd
# chmod 744 /etc/init.d/celeryd
# chkconfig celeryd on
# cp $EPP/extra/celerybeat.sh /etc/init.d/celerybeat
# chmod 744 /etc/init.d/celerybeat
# chkconfig celerybeat on

Please run the following command as user root.
# cp $EPP/extra/httpd.sh /etc/init.d/httpd
# chmod 744 /etc/init.d/httpd
# chkconfig httpd on

Please run the following command as user root.
# cp $EPP/extra/ESSArch.sh /etc/init.d/essarch
# chmod 744 /etc/init.d/essarch
# chkconfig essarch on

Please run the following command as user root.
# cp /ESSArch/config/automysqlbackup/runmysqlbackup /etc/cron.daily/runmysqlbackup
# chmod 744 /etc/cron.daily/runmysqlbackup

Please run the following command as user root to start EPP.
# service celeryd start
# service celerybeat start
# service essarch start
# service httpd start

Please run the following command as user root to stop EPP.
# service httpd stop
# service essarch stop
# service celeryd stop
# service celerybeat stop