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Linux Books

Of course the Internet along with the help of Google is a great source of information. You can answer almost any question you have about Linux and find many tutorials, guides and help. However many people prefer reading this information on a printed book accesssible even when they are not online or don't have a computer in front of them. I've received many e-mails asking me to propose them a few good books regarding Linux commands, administration and for specific distributions such as Ubuntu, Fedora etc. So, I've search for a few good books. Here they are. Happy reading!

Linux Books

Ubuntu guides

Ubuntu is a free Operating System based on Debian GNU/Linux. It has been rated as the most popular Linux distribution amongst Linux users according to Distrowatch. As it happens every six months a new version of Ubuntu has been released. Ubuntu 10.04 Lucid Lynx is here! Below you can find some helpful tutorials for old and new users!

Ubuntu 10.04 Lucid Lynx Post Installation Guide
Ubuntu 9.10 Karmic Koala Post Installation Guide
Ubuntu 9.04 Jaunty Jackalope Post Installation Guide
How to install Ubuntu Linux on Windows using VirtualBox

Fedora 12 Installation Guide

Fedora 12, codenamed Constantine, is released! Just for the info, Fedora is an RPM based Linux Distribution, an Operating system in other words, developed by the community supported Fedora Project and sponsored by Red Hat. Fedora contains only free and Open Source software. Some of Fedora's 12 new features are Gnome 2.28, KDE 4.3, better web cam support!, and many others.

Fedora 12 Installation and Post-Installation Guide
Fedora 11 Installation and Post-Installation Guide
Fedora 11 Installation and Post-Installation Guide in Chinese

kde.jpgIn the past few days I've been searching around the web for a way to synchronize my KAddressbook contacts and KOrganizer calendar with my Google mail contacts and calendar. For those who don't know what KAddressbook and KOrganizer are I have to mention that they are applications of KDE's Kontact suite. Yeap, I am talking about Linux here. At first I found out GCalDaemon which is using an LDAP server to syncrhonize the Contacts. However the synchronization is one way and therefore it didn't fulfill my needs. And then I found out that the two way synchronization is easy by using KDE's Akonadi and the libgcal library. So, here is a guide I've written on how to synchronize gmail's contacts and calendar with KDE.

For this guide I've used the latest KDE 4.3.4 along with Akonadi 1.2.1. I also had to install libgcal and akonadi-googledata from the libgcal project . I would advise you to install all of them through your distributions package manager. If libgcal and akonadi-googledata aren't available you will have to compile them on your own. Something else I would like to mention is that you'd better take a back up of your contacts and calendar first. The contacts synchronization isn't fully working. By that I mean that it doesn't synchronize all fields. I have tested thoroughly the calendar synchronization.

After you have installed all the needed software press Alt+F2 and KRunner will appear. Type akonadi and choose to run the Akonadi Tray Utility.

akonadi-googledata_1.jpg

An icon will appear at the tray. Right click on it and select to start the Akonadi server.

akonadi-googledata_2.jpg

Afterwards press the Configure option and move to the Akonadi Server Configuration tab. There press the Test button.

akonadi-googledata_3.jpg

Make sure that you get no errors.

akonadi-googledata_4.jpg

Next go to the Akonadi Resources Configuration tab and press the Add button. Select to add an Akonadi Google Calendar Resource.

akonadi-googledata_5.jpg

You will be asked to supply your gmail username and password.

akonadi-googledata_6.jpg

Press again the Add button and this time select to add an Akonadi Google Contacts Resource. Once again supply your username and password.

akonadi-googledata_7.jpg

If the two resources are synchronized ok you should see something like this. Just press the Ok button.

akonadi-googledata_8.jpg

Now run KAddressbook. In the Address Books window press the green cross and choose to add an Akonadi Address Book. If everything is ok your Gmail contacts should appear.

** Note: Some information of my contacts didn't synchronized correctly that's why I have advised you for taking a back up.

akonadi-googledata_9.jpg

Next run KOrganizer. Again choose to add an Akonadi Calendar. And here is your Google Calendar synchronized with KOrganizer.

akonadi-googledata_10.jpg

Here are two videos explaining the whole procedure created by the developer of libgcal and akonadi-googledata. Since this is open source software I'm sure the developer would be very happy to get some help. There are a few open issues that need to be fixed. Anyone with knowledge of C++ and Qt could definetely give some help!






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Comments (19)

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akonadi-googledata
does the package akonadi-googledata means akonadi-kde-resource-googledata?
blink4blog , December 13, 2009
...
Yes, I believe this is the package for Ubuntu and Debian.
axel , December 13, 2009
...
Can I sync more than just my default Google Calendar? The only Google calendar that shows up for me is my default calendar, and that's not the one I use primarily...
rayc , December 14, 2009
...
As far as I could understand you can't synchronize an existing KOrganizer calendar with the Google calendar. You have to create an Akonadi calendar which will be synchronized with the Google calendar and then use this one as the default.
axel , December 14, 2009
...
What if I have a gmail account that does not end with @gmail.com ?
Because I do.
Patrick , December 17, 2009
...
Patrick, just type your full email address eg. patrick@domain.com smilies/smiley.gif
axel , December 18, 2009
nicely done
I've been hesitant to move most of my stuff over to my Linux laptop since I couldn't sync my google stuff mith my KDe stuff. This tutorial was simple, easy to follow, and did the trick.

Thank you so much for this tutorial!

btw, I'm running KDE 4.3 and Mandriva 2010

crash , June 09, 2010
...
Hi. smilies/smiley.gif I am using libgcal for a few months now without any problem. In the git versions support for multiple phone numbers and other fields of Kaddressbook has been added. I guess it should be published soon.
axel , June 09, 2010
Adding a new resource doesn't show any Google options
When I try to add a new resource as you describe in one of the early steps, I don't see any Akondi Google Calendar Resource. I checked and it's installed. What am I doing wrong?
I'm running Ubuntu 10.4 (KDE) and I'm a noob (just came over from Windows).
Paul , June 21, 2010
Synchronize Folder
I'm able to sync my calendar and contacts with my google account just fine but to get any updates to the calendar I have to hit the "synchronize folder" button in the calendar settings manually. I would think that would be automatic. Did I miss something?
Casey , July 12, 2010
...
Casey, I've also noticed that. If I make a change in my contacts they synchronize automatically but the calendar doesn't..

I guess a bug should be filled about it http://code.google.com/p/libgcal/issues/list
axel , July 12, 2010
Synchronize Folder
I wasn't sure if this was a libgcal issue or a Kontact/Korganizer issue. I'll file a bug report but are you positive it's a libgcal issue?
Casey , July 12, 2010
...
I am not sure either Casey. At the moment I don't have time to look at the source of libgcal and test it more...
axel , July 12, 2010
Auto Synchronize solution
I've found a solution for the time being. I installed akonadi console

sudo aptitude install akonadiconsole

Then I modified the file: /usr/local/share/akonadi/gcalresource.desktop

I modified this line: "X-Akonadi-MimeTypes" so that it reads:

X-Akonadi-MimeTypes=text/directory,text/calendar

Start up akonadi as your regular user, then I went up to "collection" and then to "folder properties". Make sure the name contains "akonadi_gcal_resource_" and go to cache. De-select "inherit cache policy from parent" and then I set bothe the interval check time and local cache timeout to something reasonable. Not the calendar updates automatically.

I really am not sure what I just modified. Probably something in the akonadi's mysql database. I dunno.
Casey , July 12, 2010
Auto Synchronize solution
Sorry for posting so much but I just noticed it modifies a couple fields in the table "collectiontable" in the akonadi database. The two fields are: "cachePolicyCheckInterval" and "cachePolicyCacheTimeout" if you want to try changing those directly.

You can access the database by:

mysql -S ~/.local/share/akonadi/db_misc/mysql.socket
Casey , July 12, 2010
...
Thanks for the info Casey! I'll take a look at the source of libgcal when I have some time to see what's going wrong. smilies/smiley.gif
axel , July 15, 2010
Invalid Password
I have a problem (germany, openSUSE11.3). I always get "invalid password" when I add a ressource.

I installed from KDE4:Extra Repo

akonadi-googledata-1.1.0-1.1.i586
libgcal0-0.9.5-1.1.i586

Tried with

myusername
and
myusername@googlemail.com

Nothing works...

What should I do?

Jagg , July 22, 2010
...
Hi Jagg, as far as I know there is a problem with email accounts that don't end with @gmail.com. Yours is @googlemail.com that's why you get the invalid password message. So there is nothing you can't do until the developer will update akonadi-googledata. :/
axel , July 28, 2010
...
Hmm, I changed my googlemail.com to gmail.com (google has added an option for that in google mail preferences) but also after that change i get the same error message smilies/cry.gif
Jagg , July 29, 2010

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