修改SSH欢迎画面
yum update && yum upgrade -y
yum install dnf-plugins-core -y
dnf-2 copr enable konimex/neofetch
dnf-2 install neofetch
后台执行：
nohup command &
.vimrc
set fileencodings=utf-8,ucs-bom,gb18030,gbk,gb2312,cp936
set termencoding=utf-8
set encoding=utf-8