scp 使用

[spark-hadoop@master ~]$ sudo scp /etc/profile spark-hadoop@slave1:/etc
spark-hadoop@slave1's password: 
scp: /etc/profile: Permission denied
[spark-hadoop@master ~]$ sudo scp /etc/profile root@slave1:/etc
root@slave1's password: 
profile                                                                                                                                                                   100% 2595     2.5KB/s   00:00    
[spark-hadoop@master ~]$