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

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Quick Fix – Trouble to boot from San Lun in Solaris 10 on Sparc

It is common for Server environments to configure boot disks on external disks so that they can be easily migrated/moved for different reasons. During those scenarios, sometime we will have trouble to boot from the SAN devices and we will encounter with below kind of errors....

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Savings Plan for System Admin – It’s about Time, not Money.

  There are several techniques that how an UNIX administrator can save his time during his regular job, and few of the techniques are like writing effective automation scripts for daily routine jobs, installing handy little desktop tools which helps for easy and quick access to...

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Veritas VxVM : Growing a Solaris root filesystem controlled by Veritas

Below is one of the procedure will help you to grow the root file system controlled by Veritas, but this procedure need system downtime 1. Remove the mirrored plexes from Veritas (vxplex -o rm dis ) use “vxprint -ht” to find the mirrored plexes (usually rootvol-02 & swapvol-02)...

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Cisco MDS zoning

      Zones and zone sets are the basic form of data path security within a Fibre Channel environment. A zone set is a collection of zones which in turn have individual members in them. Only those members within the same zone can communicate with...

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Basics and Data flow in NetApp Clustered Data OnTAP

 Similar to 7-mode we have three administrative privilage levels: admin, advanced and diagnostic. Clustered ONTAP system can be managed either from CLI or GUI (system manager or element manager). There are three different shells available with different scopes: Clustershell, nodeshell, systemshell Step:1 Access through CLI Clustershell:=========-SSH...

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