Ubuntu：Package has no installation candidate_ubuntu package 'postgresql-9.6' has no installatio

作者：空白诗007 | 2024-07-15 19:04:18

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ubuntu package 'postgresql-9.6' has no installation candidate

问题：# apt-get install
Reading package lists… Done
Building dependency tree… Done
Package aptitude is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package has no installation candidate

解决方法如下：

apt-get update

apt-get upgrade

apt-get install

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