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

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Solaris 11 Command Cheat Sheet : Managing Services

What is the Service Management Facility? The Oracle Solaris Service Management Facility (SMF) is responsible for managing system and pplication services, replacing the legacy init scripting start-up mechanism common to other UNIX operating systems. SMF helps improves the availability of a system by,  ensuring that essential...

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Solaris 11 Command Cheat Sheet – Image Packaging System

What is Image the Packaging System? The Image Packaging System (IPS) is a new network-centric software packaging and delivery system in Oracle Solaris 11. IPS allows efficient, observable, and controllable transitions between known configurations of software content providing administrators with safe system upgrade environments and better...

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What’s New in Latest Unix Magazine

  Articles from This Week Magazine The ‘Stagefright’ Android exploit – Things you should know Learn about Software Defined Networking Companies who are making OpenStack much Popular and powerful This Week’s Learning Events and Webinars Installation of 41 Useful Products / Tools on Ubuntu 14 04...

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RHEL 7 : How to hot plug memory on VMWARE/Virtual RHEL7 Guests

Check current memory status of all modules: [root@gurkulrhel7 ~]# more /sys/devices/system/memory/memory*/state :::::::::::::: /sys/devices/system/memory/memory0/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory1/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory2/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory3/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory4/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory5/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory6/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory7/state :::::::::::::: online [root@gurkulrhel7 ~]# If...

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Oracle Solaris 11 Administration – Command Cheat Sheet

Solaris Installation 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 from software package repositories on the network.   Create an install service from a...

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RHEL7 – How to disable transparent hugepages (THP)

Method 1: Create a customized tuned profile with disabled THP Step 1: Initially, we should create a customized version of the currently running profile. The customized version will disable THP. Find out which profile is active, create a copy. In the following example we currently use the...

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