Debian的版本号及distributions
one with the higher version number). If two or more versions have the same priority and version number but either the packages differ in some of their metadata or the —reinstall option is given, install the uninstalled one. 显然在多数情况下处于testing的版本会被选中,而这并不是我们期望的。虽然可以用apt-get的-t选项来来指定目标distribution,然而每次都指定这个选项也太麻烦,而且还有遗忘的危险,于是APT::Default-Release这个配置参数就自...阅读全文