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

Latest posts

Troubleshooting 'too many open files'

3 minute read    2935 visits.

Applications or servers can sometimes fail with an error indicating that there are too many open files for the current process. Most of the time.

Solaris Deferred Activation Patching (DAP)

4 minute read    800 visits.

With DAP the reboot is deferred until all patching is completed unlike non-DAP kernel patches which forced reboot before other patches can be applied.

Introduction to Solaris Live Upgrade

3 minute read    1488 visits.

The Solaris Live Upgrade revolutionises the way that you add patches to Solaris products and can save you hours of time and effort.

fssnap of / (root) fails under Solaris

1 minute read    2767 visits.

Using fssnap we can quickly take a temporary snapshot of any UFS file system and then use that snapshot for backup operations.

UFS snaphots

1 minute read    2547 visits.

Basically, a snapshot is read-only copy of a file system (for the purpose of backup).

Renaming Sun Cluster node names

1 minute read    2787 visits.

Sometime hostname need to be changed especially when your customer want to make some list of server more orderly and correctly identify your machine