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More than 5+ Years of IT Experience in administering Enterprise wide Multi Vendor UNIX Servers, Oracle Databases (8i to 11gR2), Middle-tiers, Applications and Clusters. I am a Sun Certified System Administrator (SCSA) for Solaris 10, oracle 10g database certified associate(OCA), Oracle 10g Database certified professional (OCP) and Oracle E-Business suite R12 certified professionl(OCP)

Oracle Database and Applications

Wednesday, 20 October 2010

Could not establish connection to on port 512 on solaris 10 Xmanager


When we install fresh installation of Solaris 10, then by default the service for rexec will be diabled and you couldn't login to sever with Xmanager software from client computer.

The port 512 will not be able to listen any incoming request if rexec service is disabled.

To check status of port:

bash-3.00# netstat -an | grep '512'

If its not listening then it will not return any output.

To check status of rexec service:

bash-3.00# svcs rexec
disabled 9:49:41 svc:/network/rexec:default

Enable rexec service:

bash-3.00# svcadm enable rexec

bash-3.00# svcs rexec
online 10:20:26 svc:/network/rexec:default

Now check the status of port:

bash-3.00# netstat -an | grep '512'
*.512 *.* 0 0 49152 0 LISTEN 64511 0 49680 0 ESTABLISHED
*.512 *.* 0 0 49152 0 LISTEN

After enabling service rexec you can connect to server from client with Xmanager software without any issues.

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