Stop supporting the old version of Ubuntu source list-old-releases

Source: Internet
Author: User

The normal version of Ubuntu supports limited time, and after the support time, the update source will be deactivated, such as ubuntu9.10 original source is invalid (including official source, similar to USTC third-party source, because these third-party sources are also synchronized with the official source). Therefore, it is not possible to install the update software directly with the original source list. To solve this problem, Ubuntu officially has a old-release image ( that can be updated with this source. For example, the source list for 9.10 is as follows:

deb karmic main restricted universe  multiversedeb karmic-security main restricted  universe multiversedeb karmic-updates main  Restricted universe multiversedeb karmic-proposed  main restricted universe multiversedeb  karmic-backports main restricted universe multiversedeb-src http:// karmic main restricted universe multiversedeb-src karmic-security main restricted universe  multiversedeb-src karmic-updates main  Restricted universe multiversedeb-src karmic-proposed main restricted universe  multiversedeb-src karmic-backports main restricted  universe multiverse

Other versions of the only need to speak karmic changed to its version code. This expires version can also continue to use.

Stop supporting the old version of Ubuntu source list-old-releases

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