Those things about Ubuntu.

The advantages of the Linux system believe that the great gods have a deep experience, as a senior slag, also installed the excellent Kylin mounted force. The first thing, however, is a series of errors Apt-get update. For this kind of thing, nothing to think about, go directly to/etc/apt/source.list under Change, my is seniors gave a copy of his source, minutes let me tears. After all, two days have been thinking about this thing, what source Ah, delete the source form ah, what kinds of updates Ah, there is no egg use, perhaps also I slag bar, operation error is not necessarily. Then there is an unsatisfied dependency between the following packages:
Openssh-server: dependent: openssh-client (= 1:6.6p1-2ubuntu2.3) But 1:6.6p1-8 is going to be installed
Recommendation: Ncurses-term But it will not be installed
Recommendation: Ssh-import-id But it will not be installed
E: The error cannot be corrected because you require certain packages to remain current, that is, they destroy the dependencies between the software packages.
A great God said it is very useful, because, openssh-server is dependent on Openssh-clien, that Ubuntu is not brought openssh-client it? The original Openssh-clien is the same as the version that is dependent on the Openssh-server to be installed.
1

1:6.6p1-2ubuntu1

So to install the corresponding version of the Openssh-clien, to cover out the Ubuntu comes with the sudo apt-get install openssh-client=1:6.6p1-2ubuntu2.3 and then install the target software. Just OK. Other similar questions can be modeled

Those things about Ubuntu.