Did: sudo apt-get install --reinstall ubuntu-extras-keyring as suggested @ http://www.ubuntugeek.com/fix-for-gpg-error-httpextras-ubuntu-com-maverick-release.html
Results: [on sudo apt-get update ] W: Failed to fetch http://archive.canonical.com/ubuntu/dists/maverick/Release.gpg Something wicked happened resolving 'archive.canonical.com:http' (-5 - No address associated with hostname)
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/maverick/Release.gpg Something wicked happened resolving 'extras.ubuntu.com:http' (-5 - No address associated with hostname)
W: Failed to fetch http://packages.medibuntu.org/dists/maverick/Release.gpg Something wicked happened resolving 'packages.medibuntu.org:http' (-5 - No address associated with hostname)
Did: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv 3E5C1192 && sudo apt-get update
Got: W: Failed to fetch http://archive.canonical.com/ubuntu/dists/maverick/Release.gpg Something wicked happened resolving 'archive.canonical.com:http' (-5 - No address associated with hostname)
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/maverick-security/Release.gpg Something wicked happened resolving 'security.ubuntu.com:http' (-5 - No address associated with hostname)
Did: sudo apt-get install --reinstall ubuntu- extras- keyring as suggested @ http:// www.ubuntugeek. com/fix- for-gpg- error-httpextra s-ubuntu- com-maverick- release. html
Results: [on sudo apt-get update ] archive. canonical. com/ubuntu/ dists/maverick/ Release. gpg Something wicked happened resolving 'archive. canonical. com:http' (-5 - No address associated with hostname)
W: Failed to fetch http://
W: Failed to fetch http:// extras. ubuntu. com/ubuntu/ dists/maverick/ Release. gpg Something wicked happened resolving 'extras. ubuntu. com:http' (-5 - No address associated with hostname)
W: Failed to fetch http:// packages. medibuntu. org/dists/ maverick/ Release. gpg Something wicked happened resolving 'packages. medibuntu. org:http' (-5 - No address associated with hostname)
Did: sudo apt-key adv --keyserver keyserver. ubuntu. com --recv 3E5C1192 && sudo apt-get update
Got: archive. canonical. com/ubuntu/ dists/maverick/ Release. gpg Something wicked happened resolving 'archive. canonical. com:http' (-5 - No address associated with hostname)
W: Failed to fetch http://
W: Failed to fetch http:// security. ubuntu. com/ubuntu/ dists/maverick- security/ Release. gpg Something wicked happened resolving 'security. ubuntu. com:http' (-5 - No address associated with hostname)
W: Failed to fetch http:// packages. medibuntu. org/dists/ maverick/ Release. gpg Something wicked happened resolving 'packages. medibuntu. org:http' (-5 - No address associated with hostname)