Nodemanager enables us to startup/shutdown/maintain Managed Servers from console.
It is a Java utility that runs as separate process from WebLogic Server.
It is recommended to enable nodemanager in Clustered domains & High Availability Environments.
• Monitors server availability and can restart failed servers
• Can be used to migrate servers on a failed machine to Can be used to migrate servers on a failed machine to another machine
2.How to Check if nodemanager is running?
$ps -ef|grep -i nodemanager
3.How to Start/Stop Nodemanager?
Use the script to startup Nodemanager located in $WL_HOMEserverbin
$./startNode Manager.sh
or
$nohup ./startNodeManager.sh
To stop nodemanager process, get the process id using the below command
$ps -ef|grep -i nodemanager
Kill the java process related to nodemanager at OS level
or Simple close the command shell in which nodemanager is started