Linux Debian How-to Upgrade from Stable to Unstable

February 3rd, 2014 by thelinuxevangelist

Upgrading Debian Stable to Unstable i386/amd64




The Linux Tutorial Shows You Step-by-step How Upgrading from Debian Stable to Debian Unstable.

To Upgrade from Debian Stable to Unstable You have to manually Editing the main Apt Repo Source File.

So Upgrading from Debian Stable to Testing take 2 Steps:

  • Upgrading from Debian Stable to Debian Testing
  • Upgrading from Debian Testing to Debian Unstable
Upgrading Debian Stable to Unstable - Featured
  1. Open Terminal Window
    (Press “Enter” to Execute Commands)

  2. How-to Install Google-Chrome Browser on Debian Linux:

    Installing Chrome for Debian
  3. First Upgrade to Debian Testing

    • Editing sources.list Apt Config File

      sudo nano /etc/apt/sources.list

      If Got “User is Not in Sudoers file” then Look: Solution

      Replace each instance of “wheezy”/”stable” with “testing”!

      Ctrl+x to Save & Exit from nano.

    • Upgrading Distro/Packages to Testing

      sudo apt-get update
      sudo apt-get -u dist-upgrade -



  4. Then Upgrade to Debian Unstable

    • Editing sources.list Apt Config File

      sudo nano /etc/apt/sources.list

      Replace each instance of “testing” or “stretch” with “unstable” on the File!

      Then Comment Out the Entries Containing the “updates” keyword.

      Ctrl+x to Save & Exit from nano editor.

    • How-to Install Latest Thunderbird on Debian Linux:

      Install Thunderbird for Debian
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