创建用户：
[root@shanghai-jiaxin-ceshi-shanghai ~]# useradd szyqjiaxin
[root@shanghai-jiaxin-ceshi-shanghai ~]# passwd szyqjiaxin
赋予
[root@shanghai-jiaxin-ceshi-shanghai ~]# setfacl -m u:szyqjiaxin:r /opt
[root@shanghai-jiaxin-ceshi-shanghai ~]# getfacl /opt/
清
除
[root@shanghai-jiaxin-ceshi-shanghai ~]# setfacl -x user:szyqjiaxin /opt/
[root@shanghai-jiaxin-ceshi-shanghai ~]# getfacl /opt/
