Category Archives: Technology

Fix .ICEauthority problem at Linux boot up

After upgrading my Ubuntu 10.04 LTS I had an error window at every boot up session. The message advised me about:

Could not update ICEauthority file /home/username/.ICEauthority

ICEauthority is the Inter-Client Exchange (ICE) Protocol that allows authentication, negotiation, setting up and taking down connections between programs. In few words, if two programs have the same cookies, they will talk and exchange data through ICEauthority.

To fix this matter open the Terminal and type:

ls -al

Then you find a line similar to this:

-rw——- 1 root root 35226 2011-10-06 00:24 .ICEauthority

This means that your profile (username on a Linux OS) is not allowed to manage ICEauthority and you have to gain full permission to solve the boot up problem:

sudo chown username:username ~/.ICEauthority

Where username is your user profile on Linux.

Then type:

sudo chmod u+rw ~/.ICEauthority

To check if you succeeded, type again:

ls -al

and this time you will find a line like this:

-rw——- 1 username username 35226 2011-10-06 00:24 .ICEauthority

That’s all!

Video – Compiz with Gnome Classic (Fallback Mode) – Ubuntu 11.10 by gotbletu

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Video – Instalar LibreOffice en Ubuntu 10.04/10.10 by orthusnet

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How to uninstall OpenOffice and install LibreOffice on Ubuntu 10.04 LTS

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At the end I decided! I want to uninstall OpenOffice on my Ubuntu 10.04 LTS and substitute it with an always updated LibreOffice. After some researches on the web I decide to develop my own procedure to be sure that LibreOffice will be always updated with the last available edition.

First of all it is necessary to remove OpenOffice:

– go to System –> Administration –> Synaptic Package Manager –> Quick Search and type OpenOffice

– Mark for Complete Removal all the installed OpenOffice software and Apply your choice, then exit the program

Now, open Terminal and add the PPA repository:

sudo add-apt-repository ppa:libreoffice/ppa

Update the system:

sudo apt-get update Last but not least, go back to Synaptic Package Manager –> Quick Search and type LibreOffice

Select the LibreOffice software and all the add-ons you prefer then Apply your choice.

That’s all! You have the last version of LibreOffice installed on your Ubuntu 10.04 LTS and you are also sure that Synaptic will update the packages when a new version is available!

Video – What makes Ubuntu 11.10 so great? (by celebrateubuntu)

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Video – Change GRUB menu list by curemind

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How to Change the Boot Order in Ubuntu

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If you installed Ubuntu and Windows at the same time, you probably noticed that when you start your computer you can choose what operating system to launch. The responsible software for this is usually the GRUB loader and its menu. Obviously, after you install Ubuntu, it is placed as the first option and if you do not explicitly choose Windows in a few seconds, Ubuntu will be started. But what if you want Windows as your default option? Here is how you change the order:

1. Launch a new Ubuntu Terminal (Applications, Accessories). Type in the following command:

sudo cp /boot/grub/menu.lst /boot/grub/menu.lst_backup

This will create a backup of the GRUB configuration file.

2. Now open the file. We’ll do it with a new command:

sudo gedit /boot/grub/menu.lst

You will be prompted for a password, after which a text editor will be launched. In most of the situations, the menu.lst file contains many comments. You have to search for a line that says

default 0

This should not be very far from the end of file. Here you will have to intervene. After a few lines you will the variable called ‘timeout’ and its value (10 by default). If you want to have more or less time available for choosing your operating system, change the 10 with what number you want.

So back to the boot sequence. Scroll through the file again until you find:

title Ubuntu, kernel 2.6.17-10-generic

There will be more titles. Count the order number of Windows, but start from 0. The value you choose should overwrite the default one. For example, if Windows is the 4^th title in the list, you will need to type

default 4

instead of ‘default 0’, which was described above. All you need to do at this point is to save the file and restart your computer.

Video – Install Macbuntu on Ubuntu 11.04 by seaner992

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How to Make Your Ubuntu Desktop Look Like the One of Mac OS

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If you are a fan of the design proposed by Apple for most of its operating systems, particularly Mac OS X, then there are a couple of things that you should take into consideration and some simple steps to follow. Therefore, you are advised to read the following information carefully in order to achieve the expected outcome in the shortest time.

There are two free pieces of software that can transform your Ubuntu desktop into one that looks identical to the one of Mac OS in no time. The Ubuntu version is called Macbuntu. First of all, you will need to install this program onto your local hard drive. Here is what you need to do for this step:

– If you are using Ubuntu 10.4 Lucid Lynx, you will need to open a new terminal and type the following lines into it:

$wget https://downloads.sourceforge.net/project/macbuntu/macbuntu-10.04/v2.2/Macbuntu-10.04.tar.gz -O /tmp/Macbuntu-10.04.tar.gz
$tar xzvf /tmp/Macbuntu-10.04.tar.gz -C /tmp
$cd /tmp/Macbuntu-10.04/
$./install.sh

– On the other hand, if Ubuntu 10.10 Maverik Meerkat or a similar version is installed in your system, you will need to use a different version of Macbuntu, which can be accessed by typing the following:

$wget https://downloads.sourceforge.net/project/macbuntu/macbuntu-10.10/v2.3/Macbuntu-10.10.tar.gz -O /tmp/Macbuntu-10.10.tar.gz
$tar xzvf /tmp/Macbuntu-10.10.tar.gz -C /tmp
$cd /tmp/Macbuntu-10.10/
$./install.sh

During the install process, you will be provided with the chance of choosing between different options. These are usually dependent on the different ways you wish your desktop to look like. Most of the choices will be based on your visual tastes, so make sure you choose according to them.

Finally, whenever you need to uninstall this special package for some reason you can follow the same procedure described above, with just an exception. Instead ./install.sh you will need to use the ./uninstall.sh command.