A collection of system administration hints and tips, tricks and articles for the Solaris operating system in all its variants.

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Solaris IP Filtering

IPF provides stateful packet filtering capabilities by IP address, network, port, protocol, network interface and traffic direction.

Viewing Processes with the pgrep command

The pgrep command lets you specify the criteria and then displays the information only about the processes that match the criteria.

Viewing Processes with the prstat command

The prstat command displays information about processes similar to ps and pgrep commands but refreshes (updates) the output in a periodic fashion

Locking down your Solaris system

With later releases of Solaris, if you want to, you can manually lock down your system using the netstat, svcs and svcadm commands.

Runlevels - Solaris vs Linux

Solaris and Linux both have runlevels. However the meanings are somewhat different.

Solaris patch return codes - patchadd

When installing patches on Solaris, you may often see error codes or Exit/Return codes when the patch installation fails. These are the return codes.