RHEL환경에서 ssh 접속시 locale warning 메시지 출력시 조치사항

1. RHEL8 버전에서 ssh접속시 아래내용으로 setlocale 메시지가 출력하는 경우 해당서버에 필요한 언어팩이 없어서 발생한 것. 
   

   Last login: Tue Sep 28 15:36:49 2021 from 192.168.0.10
   -bash: warning: setlocale: LC_ALL: cannot change locale (en_US.utf-8)
   /bin/sh: warning: setlocale: LC_ALL: cannot change locale (en_US.utf-8)
   /bin/sh: warning: setlocale: LC_ALL: cannot change locale (en_US.utf-8)
   /bin/sh: warning: setlocale: LC_ALL: cannot change locale (en_US.utf-8)

   
   
2. 조치사항
   

   $> yum install glibc-langpack-en -y
   Failed to set locale, defaulting to C.UTF-8
   Last metadata expiration check: 1:14:53 ago on Tue Sep 28 14:35:14 2021.
   Dependencies resolved.
   ===========================================================================================================================================================================================================
    Package                                                Architecture                                Version                                              Repository                                   Size
   ===========================================================================================================================================================================================================
   Installing:
    glibc-langpack-en                                      x86_64                                      2.28-151.el8                                         baseos                                      825 k
   
   Transaction Summary
   ===========================================================================================================================================================================================================
   Install  1 Package
   
   Total download size: 825 k
   Installed size: 6.0 M
   Downloading Packages:
   glibc-langpack-en-2.28-151.el8.x86_64.rpm                                                                                                                                  8.0 MB/s | 825 kB     00:00
   -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
   Total                                                                                                                                                                      2.2 MB/s | 825 kB     00:00
   Running transaction check
   Transaction check succeeded.
   Running transaction test
   Transaction test succeeded.
   Running transaction
     Preparing        :                                                                                                                                                                                   1/1
     Installing       : glibc-langpack-en-2.28-151.el8.x86_64                                                                                                                                             1/1
     Running scriptlet: glibc-langpack-en-2.28-151.el8.x86_64                                                                                                                                             1/1
     Verifying        : glibc-langpack-en-2.28-151.el8.x86_64                                                                                                                                             1/1
   
   Installed:
     glibc-langpack-en-2.28-151.el8.x86_64
   
   Complete!