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Yes, as fpmurphy says, you should apply the latest available patchset.

You come from the Red Hat world so here's a heads up......

The patchsets contain many hundreds of patches and your...

ya, that's the same thing. Basically, the OS is lost, missing or corrupted. That's almost always bad. Follow the directions he posted above to start your troubleshooting.

Something munged a boot file.

Kernel directory or unix kernel file in this directory is not there or not executable. Maybe deleted during fsck or deleted by mistake. Copy it from your cdrom or...

More or less. That's areas of memory which instead of being privately owned by processes like regular ones, are, by program design, shared by various processes.In the sense it improve performance,...

That's because of shared memory which is accounted for each process using it.Why do you thing it is misleading ?
prstat is not the the right tool to use if you want to know if pagination occurs...

It looks like you are using RBAC. So try this.
su admrole
You will need to know the roles password. Did the old admin give you the password?

As for sudo, RBAC and sudo are not usally installed...

You don't have to rebuild the cluster, you just have to create the resource group and the cluster resources within. If the database is already on a shared storage, it might be only a short service...

Your intended scenario requires that the database files are stored on a shared disk system (SAN). The description you gave sounds, as if in the current setup, each instance has its own local disks.
...

Hello,
I'm in a Solaris admin that is trying to learn RHEL & SELS. I know that RHEL have Solaris to RHEL classes maybe that would help you out. Do you have a MOS account?

The svcadm is similar...

Does your system use the inbuilt firewall? You may want to check the max. connection settings for that port using the tcptr utility. For details, take a look at here:
IBM AIX TCP Traffic Regulation...

Such a thing is impossible by design of the IP-stack. Let me elaborate:

First, what is a port: a port is an address on layer 4 of the network stack - just like the IP-address is an address on...

Sounds more like a bug in the application rather than an OS thing. Have you tried checking with the application support team? Does the application log any error about shutting down ports?
I have...

All the best for your exam,

here are some tips to follow in the exam from my experience

go through the exam guide lines twice
you will perform the exam on a VMguest in RHEL 6
make sure...

try typing

reset <hit enter>


Then echo $PS1 and $PS2 and see what the values are

You may also want to check environment variables.