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h1. Installing Petals ESB using the Debian packages

Several Debian packages are available:
|| Package || Description || Depends on || Required for a production use ||
| {{petals-esb}} | The base package of Petals ESB to run a minimalist container | {{java2-runtime}} | required |
| {{petals-esb-autoloader}} | The extension "Petals ESB Autoloader" | {{petals-esb}} | not recommended |
| {{petals-esb-artfifact-repository}} | The extension "Petals ESB artfifact repository" | {{petals-esb}} | optional |

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h1. Content of the packages

h2. Content of the package "{{petals-esb}}"

This package arrives with following directories and files:
* {{/usr/bin/petals-esb}}: The script used to start a Petals container,
* {{/etc/petals-esb/container-enable/<container-name>}}: A directory containing the configuration of a Petals container:
** {{server.properties}}: the base configuration of the Petals container,
** usually, the following configuration files are placed in the same directory than the file {{server.properties}}:
*** {{topology.xml}}: the Petals topology of which the container is a member,
*** {{loggers.properties}}: configuration file of the logging system based on JDK Logging,
*** {{log4j.properties}}: configuration file of the logging system Log4J,
* {{/etc/petals-esb/container-available}}: A directory containing links to sub-directoryies of {{/etc/petals-esb/container-enable}}. If a container is linked into this directory, it will be automatically started on machine startup,
* {{/var/lib/petals-esb/<container-name>}}: Default location of the root directory of the Petals container data area. It will contain:
** the sub-directory {{repository}} is the *default* storage area of the internal repository containing installed/deployed artefacts,
** the sub-directory {{work}} used as internal working area of the *default* container,
* {{/var/log/petals-esb/<container-name>}}: Default location in which logging files of the Petals container will be written.

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* a directory {{bin}} that contains the startup script and launcher of Petals ESB,
* a directory {{lib}} where all libraries required by the core of Petals ESB are put,
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h2. Content of the package "{{petals-esb-autoloader}}"

This package arrives with 2 new sub-directories of the root directory of the Petals container data area:
* the sub-directory {{install}}: the directory scanned by the auto-loader of the container to install/deploy artfifact,
* the sub-directory {{installed}}: the directory scanned by the auto-loader of the container to uninstall/undeploy artfifact.

h2. Content of the package "{{petals-esb-artfifact-repository}}"

This package arrives with one new sub-directory of the root directory of the Petals container data area:
** the sub-directory {{artifact}} in which artifacts should be placed before installation/deployment.