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How to fix Meltdown & Spectre Vulnerabilities on Redhat Linux?

meltdown-spectre - Redhat

Redhat is closely working with Intel and AMD to mitigate the risk of micro-architectural (hardware) implementation issues which are named as Meltdown and Spectre. These vulnerabilities are mostly affecting many modern microprocessors which include Intel, AMD, IBM power and ARM processors. These issues can be overcome by updating Linux kernel, virtualization-related components, and/or in combination with a microcode update (Firmware). To …

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Vulnerabilities – How to Fix Meltdown and Spectre on VMware vSphere ?

VMware vSphere Spectre Meltdown

VMware vSphere also affected by multiple vulnerabilities since its uses Intel/AMD platforms. VMware vSphere has multiple layers of virtualization and sadly, you should apply/update the patches for all the components which includes Operating systems, virtual machines, virtual appliances, hypervisors, server firmware, and CPU microcode. Operating system patches can reduce the risk with help of hypervisor patches without updating the server firmware (CPU …

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Meltdown and Spectre Vulnerabilities – Big Threats

meltdown-spectre

Meltdown and Spectre Vulnerabilities have made 80% of servers as Vulnerable in overnight, thanks to  Google Project Zero team and other security researchers who have brought such a worst vulnerabilities to the world (At least now). Meltdown vulnerability basically melts security boundaries which are normally enforced by the hardware (CPU).  Spectre name is based on the root cause, “speculative execution”. Spectre is harder to exploit …

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VMware VCSA 6.5 – Reset / Recover SSO Password

Reset Recover VMware vCSA 6.5 SSO password

This article will provide a step by step procedure to reset / recover VMware vCenter SSO password. VMware vCenter server is core component of VMware vSphere. “Single Sign-On”  is the main component of Platform Service Controller and responsible to provide a token to the users to access the solutions which are connected to the vCenter server. SSO acts like an authentication …

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VMware – VCSA 6.5 – How to Break/Reset root password ?

VCSA 6.5 - Reset root password - UnixArena

This article will provide step by step procedure to recover root password of VCSA 6.5 (VMware vCenter Server Appliance). On VCSA 6.5, VMware has built the appliance using their own Linux variant called Photon. This will simply VMware to simplify support and maintenance, OS/Appliance lifecycle, and streamline updates and patches. Prior to VCSA 6.5, VMware was using SUSE Linux on their …

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VMware vSphere with Operations Management – Licensing / Pricing

VMware vSphere Version Upgrade Path

VMware vSphere is an industry-leading virtualization platform which is used 80% of datacenter around the world. VMware’s virtualization has made X86 server revolution and maximizes hardware savings through higher capacity utilization and consolidation ratios. This article will walk through about VMware Licensing, prizing and version upgrade entitlements.       VMware Claims, VMware vSphere has many virtual components and it’s very difficult …

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Configuring VLAN on LDOM – Oracle Solaris

LDOM oracle VM for SPARC - Networking PVID VID

Oracle VM for SPARC also known as LDOM is a hypervisor used to virtualize the Oracle Solaris environment on T & M series Oracle/ Fujitsu Hardware.  This article will walk through to configure the VNIC with specific VLAN number for guest LDOMs. Before getting into the VLAN part, you must understand the virtual networking on LDOM. Oracle VM for SPARC …

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Veeam Extends Data Protection For AIX & Solaris

Veeam Availability Platform

Veeam is known for VMware vSphere and Microsoft Hyper-V’s data protection solution. Veeam is a market leader in X86 virtualization world but now they would like to grab the opportunity in another enterprise world where the system runs on RISC chips. Majority of enterprise data protection solution for RISC systems are offered by Veritas Netbackup and Hitachi data protection solutions. There …

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Virtual Machine Live Migration – How it works ?

VM Live Migration timelines

Virtualization’s revolution has pushed many technical challenges from “impossible” category to the “possible” category. Live Guest OS Migration can be considered as one of the major benefits of the OS virtualization. Migrating the virtual machine from one host to another host without downtime facilitates fault management, load-balancing, and low-level system maintenance. It has eliminated all difficulties faced by process-level migration by just …

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Para virtualization vs Full virtualization vs Hardware assisted Virtualization

Types of virtualization

Virtualization is nothing but abstracting operating system, application, storage or network away from the true underlying hardware or software. It creates the illusion of physical hardware to achieve the goal of operating system isolation. In last decade, data centers were occupied by a large number of physical servers, network switches, storage devices. It consumed a lot of power and manpower to maintain …

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