Issues that occur after Mac OS X update High Sierra

Today we have updated the MacBook Pro system to 10.13.1, and there are a few small issues that summarize the solution:

The GIT client cannot use the

The solution is as follows:

http://blog.csdn.net/kedongjun/article/details/51470506

Input:

xcode-select --install

You can do it.

The Telnet client is gone.

OK, this is OK, search the next found that everyone has this problem, try to focus on their own to install a bit better:

brew install telnet

New questions were later found to be added.

Issues that occur after Mac OS X update High Sierra