ITC514 Linux Server Administration Assignment
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Added on 2019-10-31
ITC514 Linux Server Administration Assignment
Added on 2019-10-31
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1.IntroductionThe company runs approximately 35 Linux server which perform the different kind oftasks like database hosting, file serving, email relay, application hosting, web hosting etc.Iaas (Infrastructure as a Service) is a structure of cloud computing the gives virtualizedcomputing in the internet. The service features of the three Iaas (Amazon Web Services(AWS), Microsoft Azure and Google Compute Engine) provider will be provided. Theoptions and services will be found for each Iaas provider to the IP address allocation andmanagement in virtual machines. The features and services will be identified to improve theprotect services from outages, undertake backups and client uptime. The virtual server will becreated, Installed and configured to run on Linux. The task will be done by using the free trialaccounts. The webpage will be created to contain the details such as subject name and otherdetails one can to choose. The web server operations will be tested using an external clientrequesting the web page that one have created 2.Cloud services comparisonInfra structure as a service providers provide virtualized resources related to the cloudcomputing over the internet. Some of the IAAS are Amazon web services, Microsoft azure,Google. The comparison of services of these service providers are given below.Virtual Linux server hostingMicrosoft azure provides services like Cloud ServicesAzure Websites and AppsAzure BatchAzure SchedulerLogic Apps.These services appear to be standard services for azure. When comparing it with Amazon web services, Amazon hosts different types of services like Amazon Elastic Beanstalk. In comparison with azure and Amazon, Google’s web service is very standard though it hosts limited services but that has big data. The service hosted by Google includes Google App Engine.Answer for question number 11
FeaturesMicrosoft AzureAmazon web servicesGoogle1)Virtual Linux server hosting 1)Centos 2)CoreOS3)Debian4)openSuSE5)Oracle Linux6)Red Hat Enterprise Linux1)Centos2)Debian3)Red Hat Enterprise Linux4)openSuSE5)Kali Linux6)Ubuntu1)Centos 2)Debian3)Red Hat Enterprise Linux,4)openSuSE2) linux distributions supported3)VirtualMachineManagementComputeservicesMicrosoft Azure Virtual MachineAmazon Elastic Compute Cloud (Amazon EC2)Google Compute EngineNumberof instancesavailable403918CPU Limits1-32 CPU1-40 CPU1 Shared-32 dedicated CPUDatabasesSupported1)MySQL2)Hadoop3)NoSQL4)Oracle1)MySQL2)Maria DB3)Oracle4)Hadoop5)NoSQL1)MySQL2)Hadoop3)NoSQL4)StorageMemorylimits0,75 to 448 GB0,5 to 244 GB0,6 TO 208 GB2
Temporarystorage2 TBUpto 48 TB3 TB5)Network servicesDNS, Load Balancing,VPN GatewayCDN, Direct connectionnetwork.Virtual private cloud6)ReduntancyMicrosoft's Geo redundant storage brings the informationto a 2nd region, that isaway from the 1st region. IF GRS is enable in our account then the data would bedurable even the disaster stage but the primary region is not recoverableIf anyone could select the cross region to give reply for the object with the key name prefix Tax/.But the amazon S3 replicate the object with the key like Tax/doc1 orTax/doc2,but it not replicate the object with key legal/doc3The data is stored redundantly at least two regions separated by 100m.this should present in the multi-regional location.7)BackupIt has its own back up serviceImage creation snapshotsAzure backup tool andRecovery servicesStorageStorage is one of the main issues faced by all internet service providers. Each IaaSprovider has its own advantage with respect to storage. There are many types of storage that3
can be discussed. The types include object storage, block storage, hybrid cloud storage.Azure has a object storage that stores blobs, tables, queues and files that comes under thename called the azure storage. Amazon has s3 Amazon simple storage as the object storage.Google has the advanced object storage and that is named as the cloud storage. Next to cloudstorage, Block storage has its importance. Google has persistent storage when compared withazure and Amazon web services. Other type of storage option called the Hybrid cloud storagealso exists but not in google. Stor simple and AWS storage gateway are the hybrid storagespresent in Azure and Amazon respectively.IPv4 and IPv6 addressingAmazon web services support both IPv4 and IPv6 addressing in addition to separate addressing, it also has the facility of dual addressing. The dual addressing is nothing but the combination of both IPv4 and IPv6 addressing. A type of AWS namely Amazon Route 53 supports both reverse and forward IPv6 addressing records.While investigating about Google, it is known that it can also have two types of addressing IPv4 and IPv6.If connect our instance over IPv4 addressing, address has to assigned to succeed but while connecting our instance with IPv6 addressing, no need to assign address.Microsoft azure has a special feature of smooth transition from IPv4 to IPv6 addressing. Azure uses IPV6 widely and it has planned worldwide capability via IPv6 addressing.ReduntancyAmazon web services were found to be have durable redundancy. Microsoft Azure is found to have locally redundant storage. Google is found to have geographically redundant storage.BackupAzure uses a backup technique called the azure backup. Amazon uses a backup technique called the Amazon Glacier backup. Google uses Google Cloud Backup.3.Installation of the virtual Linux serverAnswer for question number 2 To create and execute virtual machine in the cloud, the web service named asAmazon elastic compute cloud is used. These steps will helps to launch virtual machine on4
Amazon. The below mentioned steps are helps to launch the Linux virtual machineeffectively..Step 1: Launch an Amazon EC2Open Amazon EC2 console and click on Launch Instance (virtual machines are calledinstances). This is required to create and configure your own virtual machine. Step 2: Configuring Instancesa.In this screen, you will be shown an Amazon Machine Image (AMI), a template containing software configuration (e.g. an operating system, an application server, andapplications). Launch an instance from AMI. b.Choose an appropriate mix of applications from combinations of CPU, memory, storage, and networking capacity to create an instance type. Covered by Free Tier, thisoffers enough compute capacity. c.Selected configuration, storage, tagging, and security settings can be reviewed. Accept default values or customize. d.Chose an existing key pair or create a new key pair. Save your key pair somewhere safe. e.See status of instance you just created on next screen. f.Also note Public IP address. Step 3: Connect to InstanceAfter all the creating instance process this is the time to connect to it. Step 4: TerminationTerminate your instance if you aren’t using them or you will be charged for something not in use. Now register a domain name and attach it to a instance, allowing end users to find your applications. Below screenshot shows the creation of new Amazon Web service. To create a new account like by giving the AWS account name, email address and password.5
Below screenshots displays the login page for root user by giving the email id and password to e access the root user page.6
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