Upgrade Your Debian to testing after System installed

Do following steps to upgrade your system when you first time login:
  1. Edit your /etc/apt/sources.lst
  2. Replace lenny with testing (besides violatile package)
  3. Save & exit
  4. # apt-get autoclean
  5. # apt-get clean
  6. # apt-get update
  7. # apt-get -t testing upgrade
  8. # apt-get -t testing dist-upgrade
After that, you're in testing environment now.

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