Installing the EMS Server or EMS Console Server on a Production Environment on Linux

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Go Up to Setting Up Your EMS Server


You can set up the EMS Server on your Linux machine for the following options:

Prerequisites

To configure the EMS Server on Linux you need the following:

  • RAD Studio on Windows
  • Linux machine (can be a virtual machine)
  • InterBase installed on your Linux machine
For EMS development testing on Linux, download InterBase XE7 for Linux from https://downloads.embarcadero.com/free/ibdev and register.
  • Apache installed on your Linux machine (for Apache Server Support)

Note: For Ubuntu 16.04 LTS installations, the "libcurl3" package is required for RAD Server.

Linux support

You can find the EMS files LinuxEMSServer.tar and ems_install.sh in the following location:

Linux 64-bit: C:\Program Files (x86)\Embarcadero\Studio\19.0\EMSServer

EMS installer on Linux consists of two files:

  • LinuxEMSServer.tar: the archive that includes servers, tools, packages, and static files.
  • ems_install.sh: the file that unpacks the files, places them into the required locations, and assigns attributes and rights.

LinuxEMSServer.tar includes the following:

  • Servers:
    • server\EMSDevServerCommand (for Stand-alone server)
    • server\libmod_emsserver.so (for Apache server support)
    • server\EMSMultiTenantConsole (for RAD Studio Multi-Tenancy support)
  • Tools:
    • EMSDevConsoleCommand (for Stand-alone server)
    • server\libmod_emsconsole.so (for Apache server support)
  • objrepos files needed by EMSDevConsoleCommand:
    • objrepos\webresources
    • objrepos\ems\EMSMSERVER.IB
    • objrepos\ems\EMSMSERVER.SQL
    • objrepos\ems\emsserver.ib
    • objrepos\ems\emsserver.sql
    • objrepos\ems\emsserver.ini
  • Packages needed by servers or tools:
    • rtl\bplFireDACSqliteDriver250.so
    • rtl\bplrtl250.so
    • rtl\bplFireDACCommonDriver250.so
    • rtl\bplFireDAC250.so
    • rtl\bpldbrtl250.so
    • rtl\bplFireDACIBDriver250.so
    • rtl\bplFireDACCommon250.so
    • rtl\bplxmlrtl250.so
    • rtl\bplemsserverapi250.so

If you use FireDAC with a database management system other than InterBase, you need its FireDAC driver, such as bplFireDACSqliteDriver250.so for SQLite.

EMS Server uses the following default paths when you finish setting it up:

  • EMSDevServerCommand, EMSDevConsoleCommand are located in /usr/lib/ems
  • mod_emsconsole, mod_emsserver is located in /usr/lib/apache2/modules (in case the Apache is installed, if not the following location is used: in /usr/lib/ems)
  • ib, sql, ini and webresources folder are located in /etc/ems
  • RTL and DBRTL packages (*.so) are located in /usr/lib/ems
  • Also, the installer creates /var/emsserver_install.log.

Stand-alone Installation

  1. To install Stand-alone Server, you need to execute the ems_install.sh file.
  2. To run the Stand-alone Server, you need to execute EMSDevServerCommand.

If you have created one or more packages of custom EMS resources, you must build them into package shared library files.

  • objrepos files needed by EMSDevServerCommand:
    • objrepos\ems\emsserver.ib
    • objrepos\ems\EMSMSERVER.SQL
    • objrepos\ems\EMSMSERVER.IB
    • objrepos\ems\emsmserver.sql
    • objrepos\ems\emsserver.ini

Apache Server Support

With appropriately elevated privileges, follow these steps to set up your EMS Server or Console running on an Apache Server:

  1. Download and install Apache HTTP Server for Windows or Linux.
    Note: EMS Server only runs in Apache HTTP Server version 2.4.
  2. Install EMS server using ems_install.sh.
  3. Configure the Apache HTTP Server to load the EMS Apache server and EMS Apache console modules.
    For Red Hat and related non-Debian distributions of Linux, edit Apache's httpd.conf file as follows.
    • Add the following line to load the EMS Apache server module (libmod_emsserver.so):
    LoadModule emsserver_module /usr/lib/ems/libmod_emsserver.so
    • Add the following line to load the EMS Apache console module (libmod_emsconsole.so):
    LoadModule emsconsole_module /usr/lib/ems/libmod_emsconsole.so
    • Add the Location tags to create a container where you can specify access control rules for a given URL.
    <Location /ems-server>
   SetHandler libmod_emsserver-handler
</Location>
<Location /ems-console>
   SetHandler libmod_emsconsole-handler
</Location>
    For Ubuntu and similar Debian distributions of Linux, follow these steps to configure the EMS Apache server and EMS Apache console modules.
    • Create a new file called ems.load in Apache's mods-available directory to load the EMS Apache server and console modules as needed.
    LoadModule emsserver_module /usr/lib/ems/libmod_emsserver.so
LoadModule emsconsole_module /usr/lib/ems/libmod_emsconsole.so
    • Next, create another new file ems.conf, also in Apache's mods-available directory, to hold appropriate Location tags, used to specify access control rules for a given URL.
    <Location /ems-server>
  SetHandler libmod_emsserver-handler
</Location>
<Location /ems-console>
  SetHandler libmod_emsconsole-handler
</Location>
    • Now enable the EMS module using a2enmod as below.
     a2enmod ems
    • If there is a need to disable the EMS module, use a2dismod as follows.
     a2dismod ems
  4. Be certain Interbase Server is running and that EMS Server or EMS Console has been configured, ensuring the EMS database is available to Interbase.
  5. Restart Apache Server as appropriate to your Linux distribution to load the newly configured EMS module.
  6. To check if the EMS Apache server module is properly running, open a web browser and type: http://localhost/ems-server/version
  7. You can access the EMS Apache console module by accessing http://localhost/ems-console/


Note: Disable SELinux to allow Apache to connect to external IPs and ports.

See Also

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