当我尝试通过使用以下代码在Ubuntu 16.04中安装php5: sudo apt-get install php5 php5-mcrypt 我得到以下错误: Reading package lists… Done Building dependency tree Reading state information… Done Package php5 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 'php5' has no installation […]
我正在考虑安装上个月发布在我的Debian PC上的hylafax + 5.5.4版本。 我检查了dpkg -l | grep "hylafax" dpkg -l | grep "hylafax" ,发现目前的版本是5.5.3。 然后我检查了apt-cache search hylafax ,看到这些软件包是可用的,但我看不到任何版本号。 如何findapt-get可用的软件包版本?