Important commands for Weblogic

1. How to set the Class Path?

WL-Home\servers\bin SetwlsEnv.cmd (windows)

WL-Home\servers\bin SetwlsEnv.sh (Unix)

2. How to set Domain?

WL-Home\servers\bin SetDomainEnv.cmd(windows)

WL-Home\servers\bin SetDomainEnv.sh(Unix)

3.How to increase WLS Memory?

 set minimum and maximum to same size

$ Java ...-ms32m -mx32m      -> it will allocate 32 megabytes.

              :Xms2048m - Xmx2048m

4. How to increase Permgenspace ?

Increase the max permgen space    -XX :Maxpermsize=256m 

(default =64m)

5.How to Enable verboseGC?

Java_Options = -"Xverbose:Memory,gcreport,gcpause-

xverbosetimestamp"

6.How to Enable core dump?

 sun JVM;  -xx:+ShowMessageBoxOnError

Jrockit JVM: -Djrockit.WaitOnError Windows

7.How to check whether server is listening on the 

specified port number or not?

telnet <IP> <Port>

Ex: telnet 199.129.212.1 8080

8.How to check server is alive or not?

Ping <IP>

Ex: Ping 199.129.212.1

9.How to start Managed Server Independence

 Mode?

nohup./StartManagedWeblogic_ManagedServername.sh&

10.How to check weblogic server Process ID?

usr/ucb/ps -auxwww | grep java

11.How to check port already in use or not?

netstat -na | grep <port>

lsof -itcp:7001 

12.How to check multi cast test in cluster ?

Javautils.multicast Test -n <name> -a <Multi cast-address> -

P <multicast port>s send

13.How to access admin console?

http/https://Hostname(or)IP:port/console

Ex:http//localhost:7001/console

14.How to know the weblogic version?

Adminconsole>Environment>servers>Monitoring> weblogic

 version.

commandline:
-----------------
Go to your domain/bin

run setdomain (cmd)(bin)

run "Java weblogic.version"

15.How to take thread dump?

Ps -ef | grep java

kill -3 <PID>             windows: ctl + Break

Better way to take thread dump use

 jstack <PID>   

16. How to start the servers?

Admin server:     ./startweblogic.sh

Managed server: ./startmanagedweblogic.sh

Node Manager:   ./startnodemanager.sh

17.How to copy file from server to other server. 
    
scp <filename> <id at destination>@<destination server>:

<on which path we copy files>

18.How do you list the number of all open files at any 

given moment?

   lsof

19.Do you know how to check the elevated privileges 

that you hold?

    sudo -i

20. How to check list of all all files?

 ls-ltr