Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base


Solaris10 Troubleshooting Zones : Can’t boot to zones

The non-global zones (or zones) facility in Solaris[TM] provides an isolated environment for running applications. The zones FAQ can be found at OpenSolaris.org. Symptoms: zone boot error zone boot failed can’t login to the zone can’t access zone zone not running


Most Popular Posts in last 6 months.

  Solaris 10 Troubleshooting : Check the Integrity of libraries and critical files                11078 Reads VxVM : Resolving the Intermittent Disk errors by clearing the failing flag on a disk         5643 Reads Cloud Computing – What does it mean to System Administrators                                  3924 Reads Beginners Lesson...


Solaris Troubleshooting Reference – Forcing a coredump on hung x86 / x64 solaris system

Befor going for troubleshooting please confirm that you really having ” system hang “    Symptoms of System hang: System appears to be hung system is not pingable can not login can not execute commands can not mount shares can not start/stop services system not responding hanging...


SAN Storage Operations for Enterprise System Administrators

 Enterprise Unix system administrators  will always have  two challenges, every day, to deal with  … the first one is  providing sufficient Computing resources for the  business applications and the second one is providing  sufficient storage for the business applications.  We will discuss about managing computing resources(  CPU...


Solaris – diagnosis of various multipath products

It is often necessary to system administrators to determine the multipath status, when ever they receive any alert / error / warning related to the storage. And in my previous post I have discussed about idenification of multipath product in solaris server, In this post i...


Linux Admin Reference – Sendmail Issues in Redhat Enterprise Linux

Just discussing some of the common sendmail issues and troubleshooting procedures in linux  Problem: Sendmail can not send mail to users in other domains. Problem: Error log in sendmail.log. Problem:Sendmail rejects connection. Problem:Can not send email via web access client. Problem: Sendmail hangs on boot Problem:...

  Our next learning article is ready, subscribe it in your email

What is your Learning Goal for Next Six Months ? Talk to us