我尝试在 Ubuntu 16.04 上安装 OpenSSH 服务器，如下所示：
sudo apt-get install openssh-server
但是，它显示以下消息：
Run Code Online (Sandbox Code Playgroud)dell@dell-Latitude-E6400:~$ sudo apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet …