Mac OS 10.13把telnet刪掉了,如果要是有telnet,需要安裝,執行如下指令進行安裝
brew install telnet
如安裝報錯,需先執行如下指令,再執行:brew install telnet
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew install telnet
參考:https://blog.csdn.net/u012251305/article/details/80499271