How to configure MySQL DB Connector on Tomcat7

Frist, add the db connector driver .jar to the folder ...tomcat7/lib

Then, add the following code before DriverManager.getConnection(...);

Class.forName("com.mysql.jdbc.Driver");


IT's done!

Change the computer resolution Ubuntu

[this process was accomplished using Ubuntu 12.04 LTS]

Commands:

xrandr // get the currently display modes

xrandr --output LVDS1 --scale XxX  // scale the image

xrandr --output LVDS1 --panning 1640x922 // change the resolution output


I used this sentence:
xrandr --output LVDS1 --scale 1.2x1.2 --panning 1640x922
xrandr --output LVDS1 --scale 1x1 --panning 1366x768

How to install Lamp/Xampp on Ubuntu (php, mysql, apache server)

Newer:
http://www.tecmint.com/ubuntu-14-04-server-installation-guide-and-lamp-setup/
, starting from step 31


Older:
https://help.ubuntu.com/community/ApacheMySQLPHP




how to install phpmyadmin after that:

sudo apt-get install phpmyadmin

If you have problems accessing phpmyadmin:
http://askubuntu.com/questions/19127/how-to-access-phpmyadmin-after-installation

How to reinstall a software on Ubuntu

dpkg -reconfigure

How to reload printer cartridge?

Open a hole at the top of the cartridge

Load 2ml of ink into a syringe.

Insert the syringe into the cartridge foam.

Slowly press the syringe to transfer the ink to the cartridge

Then, use a toilet paper to blow the hole of the cartridge ( the toilet paper is useful to no dirty your mouth) till the ink start to get out of the cartridge.

Cover the hole of the catridge.

It's ready!

How to install Tomcat7

[this process was accomplished using Ubuntu 12.04 LTS, Tomcat 7 and Eclipse Standard Keplerr 4.3]

Follow this tutorial (from step 1 to 9):
http://gridlab.dimes.unical.it/lackovic/eclipse-tomcat-ubuntu-jersey/

Notes for the above tutorial:
Download and install eclipse manually, from:
http://www.eclipse.org/downloads/packages/eclipse-standard-43/keplerr

Before starting up the tomcat7 server:
sudo mkdir /usr/share/tomcat7/logs

Before shutting down the tomcat7 server:
sudo mkdir /usr/share/tomcat7/conf
sudo cp /etc/tomcat7/server.xml to /usr/share/tomcat7/conf

Before creating a "Dynamic Web Project", run:
cd /usr/share/tomcat7
sudo ln -s /var/lib/tomcat7/conf conf
sudo ln -s /etc/tomcat7/policy.d/03catalina.policy conf/catalina.policy
sudo chmod -R 777 /usr/share/tomcat7/conf

If you try to add the Tomcat Server v7.0, and the server name doesn't appear:
Close Eclipse
cd ~/workspace/.metadata/.plugins/org.eclipse.core.runtime/.settings/   
rm org.eclipse.jst.server.tomcat.core.prefs   
rm org.eclipse.wst.server.core.prefs
Restart Eclipse


Then, to configure a servlet, follow this tutorial:
http://www.srccodes.com/p/article/3/Tomcat-Hello-World-Servlet-using-Eclipse-IDE

How to burn / create a dvd video on Ubuntu

[this process was accomplished using Ubuntu 12.04 LTS]

I just used a program, called "Devede". To install:
sudo apt-get install devede