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

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‘fmt’: Reformat paragraph text

‘fmt’ fills and joins lines to produce output lines of (at most) a given number of characters (75 by default).  Synopsis:      fmt [OPTION]… [FILE]…    ‘fmt’ reads from the specified FILE arguments (or standard input if none are given), and writes to standard output.   ...

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‘base64’: Transform data into printable data

‘base64’ transforms data read from a file, or standard input, into (or from) base64 encoded form.  The base64 encoded form uses printable ASCII characters to represent binary data.  Synopses:      base64 [OPTION]… [FILE]      base64 –decode [OPTION]… [FILE] The base64 encoding expands data to roughly 133%...

VCS information Center

  VCS for Beginners Read – VCS for Beginners – Getting Started with VCS Read – VCS for Beginners– Cluster Membership & IO Fencing Read – VCS for Beginners – Understand Jeopardy Condition with real time scenerio Read – VCS for Beginners – Configuring Veritas Cluster...

VxVM Information Center

VxVM Beginners Learning Read – VxVM Beginner’s Lesson Read – VxVM Learning with Commands and Examples Read – What is new in VxSF 6.0 Read – Important Definitions of VxVM Read – VxVM Volume States and Plex States Read – Veritas Plex state Transition VxVM How-to...

Storage Configuration information Center

  Read – SAN Guide for Beginners Read – SAN Storage Responsibilities for Enterprise System Administrators Read – Pre-Planning/Pre-work required for Storage Migrations in Unix. Read – SCSI Guide for Beginners Read – EMC Power Path commands for system administrators Read – Determine WWN for HBA...

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Part 2 – Mastering SED – Usage Examples

1 Centering Lines Using SED This script centers all lines of a file on a 80 columns width. To change that width, the number in `\{…\}’ must be replaced, and the number of added spaces also must be changed. Note how the buffer commands are used to separate...

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Part 1 – Mastering Sed – Introduction , Invocation and Programs

1 Introduction `sed’ is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). While in some ways similar to an editor which permits scripted edits (such as `ed’), `sed’ works by making only...

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