Linux Server Virtualization Lpic3 304 Modulo 1

8/16/2019 Linux Server Virtualization Lpic3 304 Modulo 1

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@davidbclinton |www.bootstrap-it.com|www.bootstrap-it.c

LINUX SYSTEM ADMINISTRATOR

David Clinton

INTRODUCTION TO VIRTUALIZATION

Linux Server Virtualization(LPIC-3 304 Part

http://www.bootstrap-it.com/http://www.bootstrap-it.com/bloghttp://www.bootstrap-it.com/bloghttp://www.bootstrap-it.com/


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Introduction to Virtu


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VirtualizationJobs


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VirtualizationPlatforms

Hypervisor Platforms:

libvirt

Xe

KVM

Co tai er Tech ologies:


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VirtualBox


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VirtualizationPlatforms

Hypervisor Platforms:

libvirt

Xe

KVM

Co tai er Tech ologies:

Ope VZ

LXC

Docker

VirtualBox


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ITDemandLoad

(September)

Student Enrollment Servers Moodle LMS Se


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ITDemandLoad(April)

Student Enrollment Server Moodle LMS


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Tryeverythingyourself!


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The LPIC-3304

Certification


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Hyp


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HypervisorArchitecture

Hardware(CPU, RAM, Disk Drives...)

Operating System(Linux)

Hypervisor

VirtualClient

VirtualClient

VirtualClient

VirtualClient


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DesignConsiderations

●Fault isolatio


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●Fault isolatio

●Performa ce isolatio


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●Fault isolatio


●Co siste cy


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●Fault isolatio


●Co siste cy

●

Server sprawl co trol


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HypervisorCategories:

Type-1

Type-2


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Type-1

"Bare-metal"

Xe

ESXi (vSphere)

Type-2


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Type-1

"Bare-metal"

Xe

ESXi (vSphere)

Type-2

System processes

VirtualBox

QEMU


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Paravirtual (PV) vs Hardware Virtual Machin


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ParaVirtual(PV)


Operating Sy(Linux)

Hypervisor(Direct access to hardware)

VirtualClient

VirtualClient

VirtualClient


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HardwareVirtual

Machines(HVM)



Hypervisor(hardware emulation layer)

VirtualClient

VirtualClient

VirtualClient

VirtualClient


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HardwareVirtual

Machines(HVM)

Hardware(virtualizatio -optimized i structio set)


Hypervisor(hardware emulation layer)

VirtualClient

VirtualClient

VirtualClient

VirtualClient


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Co


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Kernel-dependentcontainers

Hardware

Linuxkernel version 4.x

Container Management Platform

Ubuntukernel 4.x

Fedorakernel 4.x

OpenSUSEkernel 4.x


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DockerFiles

DockerFileScript

DockerContainer

MySQServe

Router


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Cloud Computing


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●

Virtualized servers

CloudCompute

Characteristics


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●

Virtualized servers● (Nearly) no capital expenses

CloudCompute

Characteristics


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●


● On-demand resources

self-service

CloudCompute

Characteristics


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●



self-service

● Pay-per-use

CloudCompute

Characteristics


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CloudCompute

Characteristics

●



self-service

● Pay-per-use

● Instant automated scaling


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CloudComputeModels

IaaS (Infrastructure as a Service)AWS EC2Azure Virtual MachinesGoogle Compute Engine


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CloudComputeModels


PaaS (Platform as a Service)AWS Elastic BeanstalkGoogle App Engine

Cloud FoundryHeroku


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CloudComputeModels


PaaS (Platform as a Service)AWS Elastic BeanstalkGoogle App Engine

Cloud FoundryHeroku

SaaS (Software as a Service)Google AppsSalesforce

Dropbox


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Cloudplatformmarketshare


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User-facingPaaS

services


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Back-endPaaS

services


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Hardware Com


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Review

Type 1 Hypervisor (Xen, ESXi)

Type 2 Hypervisor (VirtualBox, QEMU)

Container virtualization (LXC, Docker)

IaaS (AWS EC2, Azure Virtual Machines)

PaaS (AWS Elastic Beanstalk, Salesforce.c

SaaS (Gmail, WordPress.com)cat /proc/cpuinfo | grep flags


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Review








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Review








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Review








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Review








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Review








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Review







Documents

Linux Server Virtualization Lpic3 304 Modulo 1