[[email protected]_2 ~]# ll total 268 -rw-------. 1 root root 1090 May 3 09:35 anaconda-ks.cfg drwxr-xr-x. 3 root root 4096 May 21 16:24 backup drwxr-xr-x 2 root root 4096 May 22 12:24 Desktop drwxr-xr-x 2 root root 4096 May 22 12:24 Documents drwxr-xr-x 2 root root 4096 May 22 12:24 Downloads -rw-r--r--. 1 root root 8823 May 3 09:35 install.log -rw-r--r--. 1 root root 3384 May 3 09:34 install.log.syslog drwxr-xr-x 2 root root 4096 May 22 12:24 Music -rw-r--r-- 1 root root 210877 Aug 22 2012 pdksh-5.2.14-37.el5_8.1.x86_64.rpm drwxr-xr-x 2 root root 4096 May 22 12:24 Pictures drwxr-xr-x 2 root root 4096 May 22 12:24 Public drwxr-xr-x. 2 root root 4096 May 4 10:17 scripts drwxr-xr-x 2 root root 4096 May 22 12:24 Templates drwxr-xr-x 2 root root 4096 May 22 12:24 Videos 用户读取目录的权限应该是5(r-x) 而不是 4(r--) ,x意味着有在目录下执行命令的权限。
[[email protected]_2 ~]# useradd backup [[email protected]_2 ~]# useradd jingy [[email protected]_2 ~]# su - backup [[email protected]_2 ~]$ id uid=501(backup) gid=503(backup) groups=503(backup) [[email protected]_2 ~]$ exit logout [[email protected]_2 ~]# su - jingy [[email protected]_2 ~]$ id uid=502(jingy) gid=504(jingy) groups=504(jingy) [[email protected]_2 ~]$ exit logout [[email protected]_2 ~]# usermod -a -G backup jingy [[email protected]_2 ~]# su - jingy [[email protected]_2 ~]$ id uid=502(jiongy) gid=504(jingy) groups=504(jingy),503(backup) [[email protected]_2 ~]$ id uid=502(jiongy) gid=504(jingy) groups=504(jingy),503(backup) usermod -G backup jingy #修改用户次要组信息usermod -a -G backup jingy #将用户添加到新的次要组中
时间： 2024-10-03 13:09:51