How to install Ubuntu Server on a USB 3.0 stick and boot that stick

This instruction describes how to install Ubuntu Server (in my case 11.04) onto a USB 3.0 stick and make it boot from that stick.

What you will need:

1. A working Linux system
2. gparted – Gnome Partition Editor
3. unetbootin – the universal netboot installer
4. The Ubuntu Server ISO image
5. A USB 2.0 stick with at least 800 MB free space
6. A USB 3.0 stick to install the system onto

How to install Debian Squeeze on Apple iBook G3 with PPC architecture

This instruction describes how to install Debian Squeeze on an iBook with a G3 PPC CPU. It is the way that worked for me and it might be usefull for others who want to bring back some live to a nice little machine.

0. Preparations
1. Shrinking the Mac OS partition
2. Installing Debian Squeeze
3. Configuring Debian Squeeze
    3.1 Right-click by Ctrl+click
    3.2 Function keys and eject key
    3.3 Soundcard
    3.4 Keyboard mappings
    3.5 Airport
    3.6 Power management
    3.7 LXDE

 

How to encrypt a string with ROT13 (one liner)

ROT13 is a variation of the caesar chiffre. It replaces each letter with the letter 13 positions after that letter. A nice side effect: you need only a function to encrypt a string. If you encrypt an encrypted string, you’ll get the plaintext.

Encryption:
echo 'This is a Test' | tr 'A-Za-z' 'N-ZA-Mn-za-m'
Output: Guvf vf n Grfg

Decryption:
echo 'Guvf vf n Grfg' | tr 'A-Za-z' 'N-ZA-Mn-za-m'
Output: This is a Test