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These Debian packages can be downloaded on [Petals' website|http://petals.ow2.org].

h1. Installing Petals ESB

Nowadays, no public repository exists containing the Debian packages of Petals ESB. So to install yours, you must download them, next install them with your favorite Debian tools ({{synaptic}}, {{apt-get}}, {{dpkg}}).

Several Debian packages are available:

| {{petals-esb-wsapi}} | The extension "Petals ESB WS API" | {{petals-esb-artfifact-repository}} | optional |

+Note 1:+ The Petals ESB Autoloader is not recommended in production mode because of security reasons.

+Note 2:+ If your security policy requires to push your JBI artifacts on the host instead of downloading them, you can:
* use the extension Petals ESB artifact repository and push your JBI artifacts in its repository,
* or, push your JBI artifacts in a dedicated directory and use a remote Petals CLI with local file-based URLs.

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h1. Uninstalling Petals ESB

According to Debian policies, Petals ESB packages can be uninstalled with or without purging configuration files, with your favorite Debian tools ({{synaptic}}, {{apt-get}}, {{dpkg}}).

In addition to the runtime files, the purge will remove following directories containing some configuration or working files:
* {{/etc/petals-esb/container-enable}}
* {{/var/lib/petals-esb}}
* {{/var/log/petals-esb}}
* {{/var/run/petals-esb}}

To update the installed version of Petals ESB:
* just uninstalled Petals ESB packages without purging it:
{code}> sudo dpkg -r petals-esb ...{code}

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,
* {{/usr/bin/petals-esb.sh}}: A link to {{/usr/bin/petals-esb}}, for compatibility with previous versions,
* {{/usr/share/petals-esb}}: Directory containing all Java libraries required by Petals ESB,
* {{/usr/share/petals-esb/extensions}}: Directory containing all extensions of Petals ESB,
* {{/etc/init.d/petals-esb}}: Automatic startup/stop script
* {{/etc/petals-esb/container-available/<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}}:

** 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,

In addition to the extension JAR file put in the directory {{/usr/share/petals-esb/extensions}}, 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}}"

In addition to the extension JAR file put in the directory {{/usr/share/petals-esb/extensions}}, this package arrives with one new sub-directory of the root directory of the Petals container data area:
* the sub-directory {{artifacts}} in which artifacts should be placed before installation/deployment according to the following sub-tree:
** {{sl}}: in which all JBI shared library archives are put,
** {{components}}: in which all JBI component archives are put,
** {{sa}}: in which all JBI service assembly archives are put.

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

This package provides only extension JARs file put in the directory {{/usr/share/petals-esb/extensions}}.