host


Requirement to start Admin Server

example fully qualified hosts name:   inddlvtwlmas.weblogic.net.
find the ip address which is by executing in the  the terminal -
ifconfig
there you find the ip address  or host ip.

Syntax

sudo has root access.
so root access is given for the Admin account.

Node Manager

Node manager starts when the host is matched with the exact name of the host.Th ehost name is located in three places. they are
1.node manager.properties
2.config.xml 3.Admin console
NodeManager configuration properties from '/apps/weblogic12/user_projects/domains/infra_domain/nodemanager/nodemanager.properties'
sudo bala vi /etc/hosts                                  |   add :hostname at the end of the hosts file
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.236.128 inddlvtwlmas01.weblogic.net
sudo vi /etc/sysconfig/network
# Created by anaconda
NETWORKING=yes
HOSTNAME=inddlvtwlmas01.weblogic.net
It asks password of the account. Here bala is my login account of redhat 7.6.This is essential for the configuration to start the Admin server in Web logic before or after installation of Web logic Server.
Second location is  nodemanager.properties.This is located in the nodemanager folder.
the path
ListenAddress=inddlvtwlmas01.weblogic.net

Third location is Admin Console

change the host name in the machine.
in machines we have node manager configuration  see the below image.
output:correct way of running
This is the way NODEMANAGER is  Running .
NODEMGR_HOME is already set to /apps/weblogic12/user_projects/domains/infra_domain/nodemanager
CLASSPATH=/apps/jdk/jdk1.8.0_191/lib/tools.jar:/apps/weblogic12/wlserver/server/lib/weblogic.jar:/apps/weblogic12/wlserver/../oracle_common/modules/thirdparty/ant-contrib-1.0b3.jar:/apps/weblogic12/wlserver/modules/features/oracle.wls.common.nodemanager.jar::/apps/weblogic12/wlserver/..:/apps/weblogic12/wlserver/modules/features/oracle.wls.common.grizzly.jar
+ /apps/jdk/jdk1.8.0_191/bin/java -server -Xms32m -Xmx200m -Djdk.tls.ephemeralDHKeySize=2048 -Dcoherence.home=/apps/weblogic12/wlserver/../coherence -Dbea.home=/apps/weblogic12/wlserver/.. -Dweblogic.RootDirectory=/apps/weblogic12/user_projects/domains/infra_domain -Djava.system.class.loader=com.oracle.classloader.weblogic.LaunchClassLoader -Djava.security.policy=/apps/weblogic12/wlserver/server/lib/weblogic.policy -Dweblogic.nodemanager.JavaHome=/apps/jdk/jdk1.8.0_191 weblogic.NodeManager -v
<Dec 18, 2018 5:29:21 AM EST> <INFO> <Loading domains file: /apps/weblogic12/user_projects/domains/infra_domain/nodemanager/nodemanager.domains>
<Dec 18, 2018 5:29:24 AM EST> <INFO> <Loading identity key store: FileName=/apps/weblogic12/user_projects/domains/infra_domain/security/DemoIdentity.jks, Type=jks, PassPhraseUsed=true>
<Dec 18, 2018 5:29:24 AM EST> <INFO> <Loaded NodeManager configuration properties from '/apps/weblogic12/user_projects/domains/infra_domain/nodemanager/nodemanager.properties'
Node manager v12.2.1.3.0
Configuration settings:
DomainsFile=/apps/weblogic12/user_projects/domains/infra_domain/nodemanager/nodemanager.domains
LogLimit=0
DomainsDirRemoteSharingEnabled=false
AuthenticationEnabled=true
LogLevel=INFO
DomainsFileEnabled=true
ListenAddress=inddlvtwlmas01.weblogic.net
NativeVersionEnabled=true
ProcessDestroyTimeout=20000
ListenPort=5556
LogToStderr=true
weblogic.StartScriptName=startWebLogic.sh
SecureListener=true
LogCount=1
LogAppend=true
weblogic.StopScriptEnabled=false
StateCheckInterval=500
CrashRecoveryEnabled=false
weblogic.StartScriptEnabled=true
LogFile=/apps/weblogic12/user_projects/domains/infra_domain/nodemanager/nodemanager.log
LogFormatter=weblogic.nodemanager.server.LogFormatter
coherence.StartScriptEnabled=false
ListenBacklog=50
NodeManagerHome=/apps/weblogic12/user_projects/domains/infra_domain/nodemanager
RestEnabled=false
weblogic.startup.JavaHome=/apps/jdk/jdk1.8.0_191
weblogic.startup.MW_Home=
coherence.startup.JavaHome=/apps/jdk/jdk1.8.0_191
coherence.startup.MW_Home=

Domain name mappings:


infra_domain -> /apps/weblogic12/user_projects/domains/infra_domain

<Dec 18, 2018 5:29:24 AM EST> <INFO> <12.2.1.3.0>
<Dec 18, 2018 5:29:24 AM EST> <INFO> <Server Implementation Class: weblogic.nodemanager.server.NMServer$ClassicServer.>
<Dec 18, 2018 5:29:25 AM EST> <INFO> <Secure socket listener started on port 5556, host inddlvtwlmas01.weblogic.net/192.168.236.128>

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