我正在尝试安装 xenial-backports:
sudo apt-get install -t xenial-backports
但我收到此错误:
Reading package lists... Done
E: The value 'xenial-backports' is invalid for APT::Default-Release as such a release is not
available in the sources
知道如何修复这个问题吗?
我正在尝试安装 xenial-backports:
sudo apt-get install -t xenial-backports
但我收到此错误:
Reading package lists... Done
E: The value 'xenial-backports' is invalid for APT::Default-Release as such a release is not
available in the sources
知道如何修复这个问题吗?