修改ip
开始是在公司使用桥接模式，回到家使用无线网段变了，遂改掉IP,CDH中还是配置的原来的IP，需要改掉
停服务
[root@node01 ~]# service cloudera-scm-agent stop
[root@node01 ~]# service cloudera-scm-server stop
进入mysql修改元数据ip
mysql -u root -p123
MariaDB [cm]> select host_id, host_identifier, name, ip_address from HOSTS;
+---------+--------------------------------------+--------+--------------+
| host_id | host_identifier | name | ip_address |
+---------+--------------------------------------+--------+--------------+
| 1 | 912f0256-f551-4b04-b314-0f7506c8ece7 | node01 | 192.168.1.81 |
| 2 | aafbe8a2-44a5-43b0-8b8b-b789cfed2f56 | node02 | 192.168.1.82 |
| 3 | 187eb2a6-1c71-4614-82f3-21ca82105e07 | node03 | 192.168.1.83 |
+---------+--------------------------------------+--------+--------------+
修改各主机的ip（分别修改各主机的ip）
MariaDB [cm]> update HOSTS set ip_address='192.168.206.81' where host_id='1'
-> ;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0
MariaDB [cm]> update HOSTS set ip_address='192.168.206.82' where host_id='2'
-> ;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0
MariaDB [cm]> update HOSTS set ip_address='192.168.206.83' where host_id='3';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0
#修改完成后退出数据库
#输入命令 :\q 即可
修改所有hadoop集群机器中的cloudera-scm-agent的配置文件
所有机器修改
vi /etc/cloudera-scm-agent/config.ini
[General]
# Hostname of the CM server.
server_host=node01
# Port that the CM server is listening on.
server_port=7182
重启服务
[root@node01 ~]# systemctl start cloudera-scm-agent.service
[root@node01 ~]# systemctl restart cloudera-scm-server
