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

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Solaris Troubleshooting Jumpstart – “Timeout waiting for ARP/RARP packet”

Below is the Common procedure used to troubleshoot the error message “Timeout waiting for ARP/RARP packet” First identify the MAC address of the interface used to boot the client for the network installation. You can also use below procedures to identify the MAC address of the...

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‘split’: Split a file into pieces

‘split’ creates output files containing consecutive or interleaved sections of INPUT (standard input if none is given or INPUT is ‘-‘). Synopsis:      split [OPTION] [INPUT [PREFIX]] By default, ‘split’ puts 1000 lines of INPUT (or whatever is left over for the last section), into each...

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RHEL 6 – ISCSI Administration Series – Configuring ISCSI Server and Client

  ISCSI Server Configuration on RHEL 6 Overall Steps :  Install the RPM required for ISCSI Target Administration  Enable the ISCSI Target Services  Configure the ISCSI target to share the storage  Attach Luns to the ISCSI Target  Share the ISCSI Target to specific Client Machines  Add...

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Powerdown parameter for Solaris boxes.

I came across one unique parameter which I would like to share on our gurkulindia, specially for small business organisations where we dont have seperate power backups for DC. Has anyone noticed while working on Solaris boxes if you will power down (init 5 or poweroff...

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Cloud Computing – It's not just another buzzword, but a near future

WHAT IS CLOUD COMPUTING? Google, Yahoo, Amazon, and others have built large, purpose-built architectures to support their applications and taught the rest of the world how to do massively scalable architectures to support compute, storage, and application services. Cloud computing is about moving services, computation and/or...

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RHEL 5 Linux : configure Kdump on Red Hat Enterprise Linux 5

Installing required packages RHEL 5 has the Kdump packages installed by default. If for any reason they are not installed, you need to install the packages “kexec-tools-.rpm” and “system-config-kdump-.rpm” with the following commands:   # rpm -ivh kexec-tools-.rpm system-config-kdump-.rpm or, if your system is registered at...

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