Install Oracle Java 6 JDK on Ubuntu 12.04

1. Скачиваем .bin JDK
http://www.oracle.com/technetwork/java/javase/downloads/jdk6-downloads-1637591.html
2. Исполняем

chmod +x jdk-6u34-linux-x64.bin
./jdk-6u33-linux-x64.bin
sudo chown root -R jdk1.6.0_34
sudo mv jdk1.6.0_34/ /usr/lib/jvm/

sudo update-alternatives --install "/usr/bin/java" "java" \
"/usr/lib/jvm/bin/java" 1

sudo update-alternatives --install "/usr/bin/javac" "javac" \
"/usr/lib/jvm/bin/javac" 1

sudo update-alternatives --install "/usr/bin/javaws" "javaws" \
"/usr/lib/jvm/bin/javaws" 1

sudo update-alternatives --config java
sudo update-alternatives --config javac
sudo update-alternatives --config javaws

Источник: http://lackovic.wordpress.com/2012/02/28/how-to-install-oracle-java-6-on-ubuntu-11-10/

Resize virtualbox dinamic disk (vdi)

$ vboxmanage modifyhd xp32_clear.vdi --resize 10000
* 10000 = 10 Gb

Rawstudio - raw editor for Ubuntu

sudo add-apt-repository ppa:rawstudio/ppa
sudo apt-get update
sudo apt-get install rawstudio

начиная c 12.04 устраивает основной репозиторий