Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base
‘csplit’: Split a file into context-determined pieces
‘csplit’ creates zero or more output files containing sections of INPUT (standard input if INPUT is ‘-‘). Synopsis: csplit [OPTION]… INPUT PATTERN… The contents of the output files are determined by the PATTERN arguments as detailed below. An error occurs if a PATTERN argument refers...
Oracle Server Hardware Reference ( 3D View)
We are living in a trend of remote System Administration and in real-time we rarely touch and feel a server that we are managing for 24×7 ( 24 Hours a Day and 7 days a Week). Although we don’t really deal with our servers physically, it...
Solaris Troubleshooting : Sun Fire v440 wirh Solaris 10 Panic with “Red State Exception Error”
In this scenario we will discuss about the troubleshooting of Red State Exception error …
Unix Quick Reference : ILOM ( Integrated Lights out Manager) Command Line
The X4000 Family implements the ILOM – Integrated Lights Out Manager. This is a combination of dedicated hardware and supporting software. The Sun Fire X64 family of servers implement a technology called ILOM – Integrated Lights Out Manager where available. This is a combination of dedicated hardware...
Is your Redhat Linux Environment ready for Leap Second Insertion on Jun 30, 2015 ?
What is a Leap Second? A leap second is a second which is added to Coordinated Universal Time (UTC) in order to synchronize atomic clocks with astronomical time to within 0.9 seconds.A leap second is added (can be removed but this never actually happens in reality) on the...
Solaris 11 – How to Display Solaris System Information
How to Display a System’s Release Information Display the contents of the /etc/release file to identify your release version. $ cat /etc/release Oracle Solaris Nevada Next Development snv_146 x86 Copyright (c) 2010, Oracle and/or its affiliates. All Rights Reserved. Assembled 29 July 2010 How to Display...
Solaris Storage Configuration – EMC VMAX + POWERPATH / MPxIO + VxVM
To simplify the Storage addition operation, i just made a quick cheat sheet for your easy understanding and quick reference, since this information cannot be presented as html format i will be sharing it in image format, which you can print and use it as desk...
Configuring PXE server for UEFI boot for RHEL6/RHEL7
Red Hat allows you to install the OS over the network using NFS, FTP or HTTP. If the hardware supports PXE (Pre-eXecution Environment) the NIC card will send out a broadcast request for DHCP information. The DHCP server provides the client with a IP address and...
Bash Scripting – Reading user inputs
Although providing command line options and parameters is a great way to get data from your script users, sometimes your script needs to be more interactive. Sometimes you need to ask a question while the script is running and wait for a response from the person...
