Cooking with Linux - Linux, Thunderbird and the BlackBerry—a Love Story
Excuse me, François, but what are you doing? Are you sending text messages while you should be getting ready for the restaurant to open? You aren't? Well, if you aren't texting, what are you doing hunched over that cell phone? Quoi? You are typing into three cell phones? My apologies, mon ami, but now I really have no idea what you are doing. Ah, I see, you're trying to update your contact list and calendars, and you can't think of a way to do that with your Linux system. But, three phones? One is your BlackBerry, and the other two phones belong to your aunt and your mother. Sigh...tech support for the family on restaurant time, François? What am I going to do with you? Put those phones down, and I'll show you a better way to synchronize all those contacts. Quickly! I can see our guests arriving even now.
Good evening, everyone, and welcome to Chez Marcel, where excellent Linux and open-source software finds its match with exquisite wines. Please, sit and make yourselves comfortable, mes amis. François was just getting ready to make his way to the cellar to get tonight's wine. Hurry, mon ami, and bring back the 2005 Vina Requingua Puerto Viejo Merlot from Chile that we were sampling, er, submitting to quality control earlier today. Vite, mon ami!
While we wait for his return, let me tell you about François' dilemma. He has multiple portable devices, including a BlackBerry, an Android phone and a Motorola RAZR, all of which he wants to synchronize with Evolution on his Linux notebook. On the store workstation, he uses Thunderbird instead, and at home, something else. Getting those contact lists, calendars and so on synchronized is easier than it sounds, and it all can be done with Linux and open-source software.
All this is possible, and easy, with a great little package from a company called Funambol. The software itself also is called Funambol, and it is freely distributed and open source. Essentially, it's a program that lets you perform over-the-air (also known as OTA) synchronization of your contacts, calendars and so on, using your cell phone or smartphone, desktop contact management software (Evolution, Thunderbird, Outlook and so forth) and other hardware. Part of the magic behind all of it is SyncML (Synchronization Markup Language), which also is known as Open Mobile Alliance Data Synchronization (OMA DS). SyncML is an open standard for synchronizing information, such as calendars and contacts, that is platform-independent. Several mobile phone manufacturers, such as Motorola, Nokia and Sony Ericsson, already include SyncML in their devices. SyncML also supports e-mail, which is handy for those needing (or just plain wanting) an alternative to proprietary products, like the BlackBerry.
Funambol consists of a server component and a client for your device or application. Start by getting your copy of Funambol server from funambol.org, and save it somewhere on your system. The package file, with a .bin extension, needs to be made executable before you execute it:
chmod +x funambol-7.1.bin ./funambol-7.1.bin
The whole thing takes only a few seconds. The steps that follow are extremely simple. Type yes at the “agree to the above terms” prompt (it's the GPL version 3). You'll be prompted for an installation directory which, by default, is /opt. It's best to accept the default unless you have a very good reason to do otherwise. The resulting folder will be /opt/Funambol. Once the product has been extracted, you'll be asked whether you want to start the server. Type yes and continue on. To make sure things are working properly, point your browser to http://localhost:8080/funambol/ds, and you should get status information back from the Funambol data synchronization server (Figure 1).
Of course, if you aren't running this test directly on the server, you'll want to change localhost to the hostname or IP address of the server.
Funambol also comes with a simple Web app to test the contact as well as calendar creation and update before you turn it over to your mobile device. Point your browser to http://localhost:8080/funambol to bring up the demo page. You won't be able to do a great deal at this point, other than read the terms and conditions and test a very limited Web client. That demonstration will allow you to log in as guest with a password of guest and create contacts (Figure 2) or a calendar entry. Once you have done so, update a record or two, and make sure the changes are being saved.
Now that you know it works, you still can't do a great deal with Funambol in this form. In order to do more interesting things, you need to do a little system configuration. On the server side, there is a graphical administration tool. You can start it from the command line like this:
cd /opt/Funambol admin/bin/funamboladmin
A couple seconds later, you'll see the Funambol administration tool appear (Figure 3). To use the administration tool, you first need to log in. If you don't see the login window up front, click File on the menu bar, and select Login. By default, the admin password, sa, already is set (you always can change it later), but for now, simply click Login.
The Funambol administration tool is divided into three panes: a navigator pane fills the top left half, an admin tool pane is at the top right, and a status pane is located along the bottom (Figure 4). Take a look at the navigator window, and you will see your system's domain name at the top. To expand the system tree, click the switch icon next to the domain name. You'll then see Server Settings (which expands into its own subtree), Users, Devices, Principals and Modules. That last one also expands into several other branches. To see how this all works and how you can configure and change things, let's deal with that admin password right now.
Double-click on Users and look at the admin tool window (Figure 5). The Search Users tool appears. You can search by user name, first name, last name and e-mail address. Enter admin in the search box beside Username, and click the Search button (notice that you can search by a part of the name as well as position of the text by clicking the drop-down box beside the label). Only one admin name should show up, so it naturally will be highlighted. If you did this by searching for part of a name, and you had multiple names, you would, of course, need to select the correct name.
Click the Edit button, change the password, and then save your changes. That takes care of controlling access to the tool. Your next step is to define access to the system. As it stands, your Funambol implementation allows connections only from localhost and then only to a limited set of users. You need to change that. Double-click on Server Settings in the navigator window. Now, look to the left and locate the Server URI field in the settings window (Figure 6).
Enter the hostname (or the IP address) of your server, then click Save. You should see a confirmation message in the status window below. It should look something like this:
Believe it or not, that's pretty much it on the server end. Now, let's take a break, have François refill everyone's glass, and then let's see what we need to do on the BlackBerry end of things.
The first step is to install the BlackBerry client, which you can find at https://www.forge.funambol.org/download/downloads-bb.html. You will see an e-mail client in addition to the sync client, but, for the sake of this article, let's just concentrate on the sync client. Make sure you get the right client for your particular BlackBerry OS version.
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