===== To do after start Ubuntu 14.04 =====

==== Install oracle java ====

How to Install Oracle Java 8 (JDK8 and JRE8) In Ubuntu 14.04, 13.10, 12.10, 12.04 and 10.04 Via PPA or Linux Mint
How to Install Oracle Java 8 In Ubuntu 14.04, 13.10, 12.10, 12.04 and 10.04 Via PPA
You can install Oracle Java 8 (JDK8 and JRE8) In Ubuntu 14.04, 13.10, 12.10, 12.04 and 10.04 Via PPA or Linux Mint machine easily
Add the webupd8team PPA repository and install Oracle Java 7/8 using the following commands:

install Oracle Java 7
<code>

    sudo add-apt-repository ppa:webupd8team/java
    sudo apt-get update
    sudo apt-get install oracle-java7-installer 
</code>


install Oracle Java8

<code>
    sudo add-apt-repository ppa:webupd8team/java
    sudo apt-get update
    sudo apt-get install oracle-java8-installer 
</code>


Check your installation with this command

<code>
    java -version
</code>
or 

<code>
    javac -version
</code>

Switching between Oracle Java 7 and Oracle Java 8

Switch to Oracle Java 8 (from Oracle java 7)
<code>
    sudo update-java-alternatives -s java-8-oracle
</code>


switch to Oracle Java 8 (from Oracle java 7)
<code>
    sudo update-java-alternatives -s java-7-oracle
</code>

==== Perl patch ====

should be under "sudo"

<code>
cpan App::cpanminus
</code>

<code>
cpanm Switch
</code>
Source
http://www.webupd8.org/2012/09/install-oracle-java-8-in-ubuntu-via-ppa.html 

===== for Lenovo Y50-70 =====
It has touchpad compatible problem

To solve touchpad problem : [[linux:touchpad_problem|TouchPad problem in Ubuntu]]

* Do not install nVidia graphic driver.\\
* In preference : display scale : 2.0\\
* Install unity-tweak\\
* Install dark theme.\\

==== for Geany ====

* In dark themed ubuntu, default theme of geany attacks your eyes.\\
So you need to change geany theme to dark.\\

(1) download any dark theme for geany. ex) at here : [[https://wiki.geany.org/themes/start|Geany theme]]\\
(2) see description how to set theme : [[https://github.com/geany/geany-themes/|Repository]]\\