馒头小金鱼航海日志

steve@basil:~$ sudo apt-get install openssh-server
Reading package lists… Done
Building dependency tree
Reading state information… Done
Package openssh-server 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 openssh-server has no installation candidate
suggestions.
sudo apt-get update
sudo apt-get install ssh-server
Success!