If you want to Administer Your Ubuntu Server Remotely in secure manner for your daily tasks or some maintenance for this you need to install SSH server.SSH provides you with the ability to remotely log in to your server and run commandsall over an encrypted channel. Plus, SSH offers a number of advanced functions that can make remote administration simpler.
dd_rhelp is a bash script that handles a very usefull program written in C which is called dd_rescue, it roughly act as the dd linux command with the caracteristic to NOT stop when it falls on read/write errors.
Some of ubuntu users are running their ubuntu machine as dual boot with windows and if you want to access your windows partition data using this guide in a simple manner.
APTonCD is a tool with a graphical interface which allows you to create one or more CDs or DVDs (you choose the type of media) with all of the packages you've downloaded via APT-GET or APTITUDE, creating a removable repository that you can use on other computers.One thing you need to remember this will create backup all the packages installed using apt-get,synaptic because these package arcives are stored in /var/cache/apt/archives
Picasa is software that helps you instantly find, edit and share all the pictures on your PC. Every time you open Picasa, it automatically locates all your pictures (even ones you forgot you had) and sorts them into visual albums organized by date with folder names you will recognize. Picasa also makes advanced editing simple by putting one-click fixes and powerful effects at your fingertips.

