Tips

Java: run command as root by Runtime.getRuntime().exec() in Ubuntu

Hey :)

a few days ago I needed to run `/etc/init.d/networking restart` command by Runtime.getRuntime().exec() in Java EE web application. The first and easiest way that came to mind was sudo without password and……

Installing Sun JDK 5 on Ubuntu 9.10 and 10.04

Hello :)

As you known, Sun JDK version 1.5 or 5 is deleted from Ubuntu 10.4 and 9.10 repositories and the version 6 has been replaced.

The easiest way to install Sun JDK 5 version is add its repository from Ubuntu 9.04 to the list of repositories…

How to extract embedded images from .xls, .ods or .odt

Hi :)

It’s simple. Just 4 steps:

1. Save a copy of the file as ODS (OpenOffice.org Spreadsheet).
2. Change the filetype of the copy to ZIP…

Nested X11 environment session

Hi :)

Instead of using a full-blown new virtual X for developing software you can use Xephyr to embed your KDE 4 session into your working KDE 3 or other X11 environment.

What’s dpkg-reconfigure

Reconfigure an already installed package like gdm.

dpkg-reconfigure package_name

For example you can reconfigure X Server:

sudo dpkg-reconfigure xserver-xorg