Synchronizing the Configuration to Other Nodes

Synchronize the Hadoop configuration to nodes from agent1 to agent3 to complete the Hadoop cluster deployment.

1. Create a journaldata directory on server1.

   1	mkdir -p /usr/local/hadoop-3.1.1/journaldata

2. Copy hadoop-3.1.1 to the /usr/local directory on nodes from agent1 to agent3.

   1 2 3

   scp -r /usr/local/hadoop-3.1.1 root@agent1:/usr/local scp -r /usr/local/hadoop-3.1.1 root@agent2:/usr/local scp -r /usr/local/hadoop-3.1.1 root@agent3:/usr/local

3. Log in to nodes from agent1 to agent3 and create soft links for hadoop-3.1.1.

   1 2	cd /usr/local ln -s hadoop-3.1.1 hadoop