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During ubuntu boot phase, a beatiful Logo appear on screen, indicate you are soon starting your desktop. What about changing this default screen ? Yes all is possible on Ubuntu and mainly on Linux ;)

OK, first, try to install a new plymouth theme in the proposed list.

frederic@nostromo64:~$ aptitude search plymouth-theme
v   plymouth-theme                    -
i   plymouth-theme-fade-in            - graphical boot animation and logger - fade-in theme
i   plymouth-theme-glow               - graphical boot animation and logger - glow theme
p   plymouth-theme-kubuntu-logo       - graphical boot animation and logger - kubuntu-logo theme
p   plymouth-theme-kubuntu-text       - graphical boot animation and logger - kubuntu-text theme
p   plymouth-theme-lubuntu-logo       - plymouth theme for Lubuntu
p   plymouth-theme-sabily             - plymouth theme for Sabily
p   plymouth-theme-script             - graphical boot animation and logger - script theme
i   plymouth-theme-solar              - graphical boot animation and logger - solar theme
p   plymouth-theme-spinfinity         - graphical boot animation and logger - spinfinity theme
p   plymouth-theme-text               - graphical boot animation and logger - text theme
i   plymouth-theme-ubuntu-logo        - graphical boot animation and logger - ubuntu-logo theme
i   plymouth-theme-ubuntu-text        - graphical boot animation and logger - ubuntu-logo theme
p   plymouth-theme-ubuntustudio       - Ubuntu Studio Plymouth theme
p   plymouth-theme-xubuntu-logo       - graphical boot animation and logger - xubuntu-logo theme
p   xubuntu-plymouth-theme            - Plymouth theme for Xubuntu

Then, select the one you want and execute the following command lines:

frederic@nostromo64:~$ sudo update-alternatives --config default.plymouth

Select in proposed list one of the theme installed :

frederic@nostromo64:~$ sudo update-alternatives --config default.plymouth

There are 4 choices for the alternative default.plymouth (providing/lib/plymouth/themes/default.plymouth).

Sélection   Chemin                                                 Priorité  État
------------------------------------------------------------
* 0            /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth   100       mode automatique
  1            /lib/plymouth/themes/fade-in/fade-in.plymouth           10        mode manuel
  2            /lib/plymouth/themes/glow/glow.plymouth                 10        mode manuel
  3            /lib/plymouth/themes/solar/solar.plymouth               10        mode manuel
  4            /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth   100       mode manuel
Appuyez sur  pour conserver la valeur par défaut[*] ou choisissez le numéro sélectionné :

And install this theme on boot sequence

frederic@nostromo64:~$ sudo sudo update-initramfs -u

You can verify it with the command line

sudo plymouthd ; sudo plymouth --show-splash ; sleep 10 ; sudo plymouth --quit

And then, reboot and enjoy !

(sorry for french screenshot... I run a french installation of Ubuntu ;)

I have just installed a brand new Ubuntu 10.10 on my laptop, and one of my first need was to deploy a Playframework java application.

So I need a Tomcat 6 instance for "Java Runable" purpose.

Tomcat installation

So, just read this guide: ubuntu-fr tomcat installation and click this "click-to-install" link: tomcat6,tomcat6-admin,tomcat6-example. If the APT protocol is not installed on your ubuntu linux, just try :

frederic@nostromo6:~$ sudo apt-get install tomcat6,\

tomcat6-admin,tomcat6-examples

if you try to access the http://localhost:8080/

you will must obtain the following page :

figure 1 -Tomcat 6 is now installe dand ready to use.

User Tomcat path

To be able to isolate your own work from the Tomcat server instance, you have to install with the following link apt://tomcat6-user the "by-user-instance" oriented package for Apache Tomcat server.

If not PAT protocole is installed, just use the good old command line:

frederic@nostromo6:~$ sudo apt-get install tomcat6-user

Then in your prefered shell command terminal, execute the following command:

frederic@nostromo6:~$ tomcat6-instance-create ~/tools/tomcat6 \

-p 8088 -w 8008

Then you are able to start this Tomcat 6 instance with a

~/tools/tomcat6/bin/startup.sh

To start your own tomcat on port 8088. (note: the control port will be 8008).

To ask tomcat server to stop, send a "SHUTDOWN" ASCII string to port 8008.

Conclusion

Yes, Tomcat 6 is now installed on your computer. you are ready to deploy your Play! Framework based application:

play war myplayapp -o myplayapp.war

Just copy the produced myplayapp.war to the [tomcat_server_path]/webapps/ directory, Tomcat cat will auto deploy the war and you will just have to open your stared browser to http://localhost:8080/myplayapp/.

Capture-your_application_is_ready__-_chromium

figure 2 - Your first empty Play!framework application deployed on Tomcat

Job done !

Have good time with the fabulous Play!framework.

to be continued...

Plymouth: the Theme manager at Ubuntu Boot

Tomcat6 and the Play!framework on Ubuntu (for newbie!)

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