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The reference implementation of the Libertree components are available as RPM and DEB packages. We provide package repositories for Debian Wheezy for 64-bit systems. For other systems please see the instructions in

Pre-installation notes

Due to some deficiencies of our experimental packages, a user account named libertree has to be created manually.

$ su -
$ adduser libertree
$ passwd libertree

The following steps are written under the assumption that you have some system administration experience. We intend to simplify this process eventually, but some administration skills will always be required.

Debian Wheezy (64 bit)

Next, the experimental Debian repository is added to the list of apt sources. Finally, the two components (frontend and backend) are installed.

$ su -
$ echo "deb wheezy main" >> /etc/apt/sources.list
$ apt-get update
$ apt-get install libertree-{frontend,backend}

Post-install configuration

The database will have to be configured next. After initialising the postgresql cluster and starting the postgresql server daemon, perform the following steps:

Database configuration

To simplify database administration, it is recommended to configure PostgreSQL to trust local connections. Please confirm that the configuration file `pg_hba.conf' contains the following lines:

local  all  all       trust
local  all  postgres  trust

If you see 'peer', 'ident', or 'md5' instead of 'trust', please change the lines and reload the PostgreSQL server configuration (or restart the postgresql daemon). While this change is not required, it is highly recommended because authentication often gets in the way.

Common locations of the pg_hba.conf file are:

  • Debian & Ubuntu Server: /etc/postgresql/9.1/main/pg_hba.conf

  • Fedora: /var/lib/pgsql/data/pg_hba.conf

Three simple steps need to be performed initially:

  • create a database user "libertree"
  • create the "libertree_production" database
  • run the migration script
$ cd /opt/libertree/db
$ ./
$ ./
$ cp database.yaml.example database.yaml
$ LIBERTREE_ENV=production ./

Only the last step is required after updates to the libertree-db package.

Due to a defect you will also have to copy database.yaml to /opt/libertree/frontend-ramaze/ and /opt/libertree/backend-rb/.

Frontend configuration

To expose the frontend to the Internet, a proxying web server, such as nginx or Apache, is recommended. Under /opt/libertree/frontend-ramaze/config/ you can find an example configuration files for an nginx setup (libertree.nginx.example) and an Apache vhost definition (libertree.apache.example). For nginx, copy the configuration file to /etc/nginx/sites-available/libertree.conf, adjust it if necessary, and link it to /etc/nginx/sites-enabled/libertree.conf when you are ready to deploy it.

The frontend also requires configuration. Edit the files in /opt/libertree/frontend-ramaze/config/.

Connecting the backend to an XMPP server

The Libertree backend contains an XMPP server component which is responsible for communication with other Libertree installations. The Libertree backend should work with any standard XMPP server. We recommend Prosody, because it is easy to set up. If you are using Prosody, you may want to add the following snippet to the prosody configuration:

Component ""
    component_secret = "the-component-secret"

This will tell the XMPP server that a service listens at the domain name "" and that it will register with the given shared secret. Make sure that this secret is the same as the one specified in the backend's configuration file. Also, you need to make sure that the backend is in fact configured to listen on the specified domain name. Do take a look at /opt/libertree/backend-rb/config.yaml.example; it contains the settings that must be customised before you can expect the backend to work. Copy this file to config.yaml and edit the settings. More settings are available in /opt/libertree/backend-rb/defaults.yaml. Unless a conflicting definition is configured in config.yaml the defaults from defaults.yaml are used.

Setting up an XMPP server is not covered by these instructions. The recommended (and easiest) configuration is to make the XMPP server listen on the root domain name (e.g. and assign the Libertree component a subdomain (e.g., both of which are configured to point to the very same IP address.

According to the XMPP protocol specifications a remote XMPP server will look up DNS information for another XMPP server before establishing a connection. The preferred method is to use SRV (service) records. In our setting, a remote server queries a DNS server for the XMPP SRV record associated with the domain of the Libertree component (e.g. If a SRV record exists, it will proceed to look up the IP address of the server named in the SRV record. If no SRV record exists for the component domain, the IP of the component domain is looked up. If the IP of the component domain is in fact the same as the IP mapped to the host running the XMPP server programme, all is well and communication with the XMPP server is established.

For advanced configurations with SRV records, please do read up on SRV records. If you do not already have a properly configured XMPP server do yourself a favour and read the excellent Prosody documentation.

Starting it all

The frontend and backend processes can be started with the provided service scripts:

$ su -
$ cd /opt/libertree
$ ./frontend-ramaze/ start
$ ./backend-rb/ start

Creating a user account

Now that everything is running you can create your first administrator account for Libertree. The Libertree software currently requires a valid invitation code to sign up. Members can generate invitation URLs from the Settings page, but the very first invitation needs to be created by hand:

% echo 'INSERT INTO invitations DEFAULT VALUES; SELECT code FROM invitations ORDER BY id DESC LIMIT 1;' | psql -U libertree libertree_production

Then use the given code on the signup page to create your account. After your first account is created, set that account to be the admin user, like this:

% echo "UPDATE accounts SET admin = 'true' WHERE username = 'youraccount';" | psql -U libertree libertree_production


To update an existing installation just fetch the latest version from the repository:

$ su -
$ apt-get update
$ apt-get upgrade

After upgrading any Libertree component, perform the following steps:

  • compare the configuration files against the example files to see if they need updating
  • run the migration script (LIBERTREE_ENV=production /opt/libertree/db/ to update the database schema.
  • restart all Libertree processes:
$ su -
$ cd /opt/libertree
$ ./frontend-ramaze/ restart
$ ./backend-rb/ restart
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