Booting problems poses serious challenge to the system administrators as system is down and no one can use it . This article tries to cover some of the general booting problems and their possible solutions to enable understand the problem cause and bring the system up very quickly.
Following are some of the booting issues ,error [...]

Understanding the booting process is important in the sense that you can get a clear idea when a system faces a booting problem if you are familiar with the booting sequence and steps involved. Learn about the booting process in Unix/Solaris

The following article describes in simple step the how to setup a DNS server. Though the article focus on Solaris but any operating system which uses BIND the procedure will remain the same.

fsck is a Unix utility for checking and repairing file system inconsistencies. Learn about syntax running phases and troubleshooting with fsck.

iostat , vmstat and netstat are three most commonly used tools for performance monitoring. This document is primarily written with reference to solaris performance monitoring and tuning but these tools are available in other unix variants also with slight syntax difference.

This document gives a basic introduction to the challenges , type of
monitoring and best practices which can be followed to ensure high
availability of the live systems.

Veritas Volume Manager – vxassist covers vxassist command for volume
management

DNS troubleshooting – this article describes some of the common dns problems and their solutions

Description of Solaris/Unix Error messages which starts with letters T thru Z and their meaning .

Description of Solaris/Unix Error messages which starts with letters O thru S and their meaning .