显示方框，英文竟然也显示方框，设置了export LANG=en_US仍无效
fonts目录下没有字体，需要安装
[root@cwxt-orac01 fonts]# yum -y install liberation-fonts
[root@cwxt-orac01 fonts]# yum -y install dejavu-fonts
[root@cwxt-orac01 fonts]# yum -y install cjkuni-uming-fonts
[root@cwxt-orac01 fonts]# cd /usr/share/fonts/ [root@cwxt-orac01 fonts]# ll total 0 drwxr-xr-x 2 root root 36 Oct 11 2019 cjkuni-uming drwxr-xr-x 2 root root 314 Oct 11 2019 dejavu drwxr-xr-x 2 root root 42 Oct 11 2019 liberation