2018-09-26 -bash: warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or dir...

-bash: warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory

vi /etc/environment

add these lines...

LANG=en_US.utf-8
LC_ALL=en_US.utf-8

Warning: the ECDSA host key for 'hostname' differs from the key for the IP address '192.168.100.101' Offending key for IP in /Users/abc/.ssh/known_hosts:5 Matching host key in /Users/abc/.ssh/known_hosts:7

删除known_hosts 中的记录就好了