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运行全新的 Ubuntu 16.04 和 Debian 8 服务器。尝试通过 ssh 连接并获得以下奇怪的终端输出。我指的是带有数字的矩形。

语言设置的问题是我自己为了解决刚才提到的问题而引入的，因为我认为一些编码问题是有责任的。经过 3 小时的调试，我需要您的帮助！

也许这只是一个缺少的图书馆？很难搜索这样的图形问题......

local@local:~$ ssh dummy@server

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Sat Jul  9 17:22:43 2016 from x590c3909.dyn.telefonica.de
-bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
-bash: warning: setlocale: LC_ALL: cannot change locale …