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SSH Cheat Sheet

Updated   Read time 5 min(s) 24 sec(s)   (791 visits).

This post provides me with a reminder of the syntax for the most useful SSH features I use whist auditing systems.

Troubleshooting 'too many open files'

Published   Read time 3 min(s) 41 sec(s)   (2851 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.

How to Change or Set hostname on OEL/RHEL/CentOS 6

Published   Read time 1 min 2 sec(s)   (2561 visits).

A simple post for those who are new to Oracle Enterprise Linux (OEL) or Red Hat Linux (RHEL) version 6 and wish to change hostname.

Using "sneep" to find/set the chassis serial number

Updated   Read time 1 min 55 sec(s)   (317 visits).

sneep is a utility that displays the chassis serial number for a given Solaris system. A handy tool to use when inventoring your data centre.

Running NetBackup Reports from Command line

Published   Read time 4 min(s) 7 sec(s)   (3988 visits).

This post provides the command line equivalents for running the NetBackup reports available in the NetBackup user interface

Disabling SELinux in Oracle Linux 6

Updated   Read time 1 min 23 sec(s)   (2770 visits).

In this post, we walk through steps you can follow to check the status of SELinux and also disable it in OEL 6, if it is enabled.

Solaris Deferred Activation Patching (DAP)

Updated   Read time 4 min(s) 31 sec(s)   (742 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

Updated   Read time 3 min(s) 28 sec(s)   (1413 visits).

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

Using psradm to enable/disable a processor on Solaris

Published   Read time 53 sec(s)   (3331 visits).

The psradm utility changes the operational status of processors. The legal states for the processor are on-line, offline, spare, Faulted, and no-intr