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

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Enabling SVM in Failsafe and password recovery in Solaris.

In one of our previous post “Solaris Troubleshooting (Magic of Solaris 10) – Root Password Recovery for any Solaris 10 (without CD/DVD)”. We tried to show how to recover system’s root password in Failsafe mode without any media for OS having single disk (i.e native device,...

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Scripting : SVM Root Mirroring for SOLARIS

Here I am posting the script that mirrors primary root disk to selected mirror disk ( of same geometry and size ) . And script will automatically perform the mirror attach operations that required  before and after the server reboot.  The script  will perform following operations,...

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Solaris 11 Command Cheat Sheet – Installation and Deployement

Automated Installer (AI) is the new network based multi-client provisioning system on Oracle Solaris 11. AI provides hands-free installation of both SPARC and x86 systems by using an installation service that installs systems by leveraging software package repositories on the network. Create an install service from...

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Linux Admin Reference – NTP Configuration and Troubleshooting – Red Hat Enterprise Linux :

NTP stands for Network Time Protocol, and it is an Internet protocol used to synchronize the clocks of computers to some time reference. NTP is an Internet standard protocol originally developed by Professor David L. Mills at the University of Delaware. Time usually just advances. If you have communicating programs running on different computers, time still...

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DevOps Series – Automation with puppet – Part4

Understatanding Puppet Manifests Puppet instructions or programs are called manifests. Manifests are generally stored in files with the .pp extension. We learned about resources earlier and manifests are actions with resources. Below code shows a manifest that can be used to add a file to a system...

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