Mac上连接nifi

 

1.  open terminal

2.  ssh root@nifi.webus.cn

3. logs

cd /var/lib/nifi/logs

 

4. view log

tail -100f nifi-app.log

 

5. configuration

cd conf

ls

 

vi bootstrap.conf

press i for inserting,

wq : write and quit

q!: quit only

6. 重启

命令行输入service nifi status看状态

命令行输入service nifi restart重新启动

/mnt/nifi/nifi-node1/conf wdp002

 

https://support.rackspace.com/how-to/connecting-to-a-server-using-ssh-on-linux-or-mac-os/ 

 

ambari:

ambari-server restart

/etc/hadoop/2.4.2.0-258/0 wdp

 

7. 权限

 

change owner:

su admin

hadoop fs -chown root /nifi/finance/Docs/*

 

change read permission:

hadoop fs -chmod -R 777 hdfs_path

 

8. 查询文件数及大小

hadoop fs -count /nifi

hadoop fs -count -q /nifi 

 

9. 查找

find / -name '*pandas*'

 

 

 

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