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Amazon Elastic Compute Cloud PDF

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Amazon Elastic Compute Cloud User Guide for Linux Instances Amazon Elastic Compute Cloud User Guide for Linux Instances Amazon Elastic Compute Cloud: User Guide for Linux Instances Copyright © 2022 Amazon Web Services, Inc. and/or its affiliates. All rights reserved. Amazon's trademarks and trade dress may not be used in connection with any product or service that is not Amazon's, in any manner that is likely to cause confusion among customers, or in any manner that disparages or discredits Amazon. All other trademarks not owned by Amazon are the property of their respective owners, who may or may not be affiliated with, connected to, or sponsored by Amazon. Amazon Elastic Compute Cloud User Guide for Linux Instances Table of Contents What is Amazon EC2? ......................................................................................................................... 1 Features of Amazon EC2............................................................................................................. 1 How to get started with Amazon EC2 ........................................................................................... 1 Related services......................................................................................................................... 2 Access Amazon EC2 .................................................................................................................... 3 Pricing for Amazon EC2 .............................................................................................................. 3 PCI DSS compliance.................................................................................................................... 4 Set up.............................................................................................................................................. 5 Sign up for AWS ........................................................................................................................ 5 Create a key pair ........................................................................................................................ 5 Create a security group ............................................................................................................... 6 Get started tutorial ............................................................................................................................ 9 Overview................................................................................................................................... 9 Prerequisites............................................................................................................................ 10 Step 1: Launch an instance ........................................................................................................ 10 Step 2: Connect to your instance ............................................................................................... 11 Step 3: Clean up your instance.................................................................................................. 11 Next steps............................................................................................................................... 12 Best practices.................................................................................................................................. 13 Tutorials.......................................................................................................................................... 15 Install LAMP on Amazon Linux 2022.......................................................................................... 15 Step 1: Prepare the LAMP server ........................................................................................ 16 Step 2: Test your LAMP server ........................................................................................... 18 Step 3: Secure the database server ..................................................................................... 20 Step 4: (Optional) Install phpMyAdmin ................................................................................ 21 Troubleshoot................................................................................................................... 23 Related topics.................................................................................................................. 23 Install LAMP on Amazon Linux 2................................................................................................ 24 Step 1: Prepare the LAMP server ........................................................................................ 24 Step 2: Test your LAMP server ........................................................................................... 28 Step 3: Secure the database server ..................................................................................... 29 Step 4: (Optional) Install phpMyAdmin ................................................................................ 30 Troubleshoot................................................................................................................... 33 Related topics.................................................................................................................. 33 Install LAMP on the Amazon Linux AMI ....................................................................................... 34 Step 1: Prepare the LAMP server ........................................................................................ 34 Step 2: Test your Lamp server ........................................................................................... 37 Step 3: Secure the database server ..................................................................................... 38 Step 4: (Optional) Install phpMyAdmin ................................................................................ 40 Troubleshoot................................................................................................................... 42 Related topics.................................................................................................................. 43 Configure SSL/TLS on Amazon Linux 2022 .................................................................................. 43 Prerequisites.................................................................................................................... 44 Step 1: Enable TLS on the server ....................................................................................... 45 Step 2: Obtain a CA-signed certificate ................................................................................. 47 Step 3: Test and harden the security configuration ............................................................... 51 Troubleshoot................................................................................................................... 54 Certificate automation: Let's Encrypt with Certbot on Amazon Linux 2022 ............................... 54 Configure SSL/TLS on Amazon Linux 2 ....................................................................................... 58 Prerequisites.................................................................................................................... 59 Step 1: Enable TLS on the server ....................................................................................... 45 Step 2: Obtain a CA-signed certificate ................................................................................. 61 Step 3: Test and harden the security configuration ............................................................... 66 Troubleshoot................................................................................................................... 68 iii Amazon Elastic Compute Cloud User Guide for Linux Instances Certificate automation: Let's Encrypt with Certbot on Amazon Linux 2 .................................... 69 Configure SSL/TLS with the Amazon Linux AMI ............................................................................ 73 Prerequisites.................................................................................................................... 74 Step 1: Enable TLS on the server ....................................................................................... 74 Step 2: Obtain a CA-signed certificate ................................................................................. 76 Step 3: Test and harden the security configuration ............................................................... 80 Troubleshoot................................................................................................................... 82 Increase size of Amazon EBS volume .......................................................................................... 83 Step 1: Launch an instance with added volume .................................................................... 84 Step 2: Make the data volume available for use ................................................................... 86 Step 3: Increase the size of the data volume ........................................................................ 87 Step 4: Extend the file system ........................................................................................... 89 Step 5: Clean up.............................................................................................................. 90 Host a WordPress blog on Amazon Linux 2022 ............................................................................ 91 Prerequisites.................................................................................................................... 91 Install WordPress.............................................................................................................. 91 Next steps....................................................................................................................... 98 Help! My public DNS name changed and now my blog is broken ............................................. 99 Host a WordPress blog on Amazon Linux 2 ................................................................................ 100 Prerequisites.................................................................................................................. 101 Install WordPress............................................................................................................ 101 Next steps..................................................................................................................... 106 Help! My public DNS name changed and now my blog is broken ........................................... 107 Amazon Machine Images ................................................................................................................. 109 Use an AMI............................................................................................................................ 109 Create your own AMI .............................................................................................................. 110 Buy, share, and sell AMIs ......................................................................................................... 110 Deregister your AMI ................................................................................................................ 111 Amazon Linux 2 and Amazon Linux AMI .................................................................................... 111 AMI types.............................................................................................................................. 111 Launch permissions......................................................................................................... 111 Storage for the root device .............................................................................................. 112 Virtualization types................................................................................................................. 114 Boot modes........................................................................................................................... 116 Launch an instance ......................................................................................................... 117 AMI boot mode parameter.............................................................................................. 118 Instance type boot mode ................................................................................................. 119 Instance boot mode ........................................................................................................ 120 Operating system boot mode........................................................................................... 121 Set AMI boot mode........................................................................................................ 122 UEFI variables................................................................................................................ 124 UEFI Secure Boot ............................................................................................................ 125 Find a Linux AMI.................................................................................................................... 134 Find a Linux AMI using the Amazon EC2 console ................................................................ 134 Find an AMI using the AWS CLI ........................................................................................ 135 Find the latest Amazon Linux AMI using Systems Manager ................................................... 135 Use a Systems Manager parameter to find an AMI .............................................................. 136 Shared AMIs........................................................................................................................... 139 Verified provider............................................................................................................. 139 Find shared AMIs ............................................................................................................ 140 Make an AMI public ........................................................................................................ 142 Share an AMI with organizations or OUs ........................................................................... 144 Share an AMI with specific AWS accounts .......................................................................... 151 Cancel having an AMI shared with your account ................................................................. 153 Use bookmarks.............................................................................................................. 154 Guidelines for shared Linux AMIs ...................................................................................... 155 Paid AMIs.............................................................................................................................. 159 iv Amazon Elastic Compute Cloud User Guide for Linux Instances Sell your AMI ................................................................................................................. 159 Find a paid AMI.............................................................................................................. 159 Purchase a paid AMI ....................................................................................................... 160 Get the product code for your instance ............................................................................. 161 Use paid support ............................................................................................................ 161 Bills for paid and supported AMIs ..................................................................................... 162 Manage your AWS Marketplace subscriptions ..................................................................... 162 AMI lifecycle.......................................................................................................................... 162 Create an AMI ................................................................................................................ 163 Copy an AMI .................................................................................................................. 199 Store and restore an AMI ................................................................................................ 205 Deprecate an AMI ........................................................................................................... 211 Deregister your AMI ........................................................................................................ 216 Recover AMIs from the Recycle Bin ................................................................................... 222 Automate the EBS-backed AMI lifecycle ............................................................................ 225 Use encryption with EBS-backed AMIs ....................................................................................... 225 Instance-launching scenarios............................................................................................ 226 Image-copying scenarios.................................................................................................. 228 Monitor AMI events ................................................................................................................ 230 AMI events.................................................................................................................... 230 Create Amazon EventBridge rules ..................................................................................... 232 Understand AMI billing........................................................................................................... 234 AMI billing fields............................................................................................................ 234 Find AMI billing information............................................................................................ 236 Verify AMI charges on your bill ........................................................................................ 237 Amazon Linux........................................................................................................................ 238 Amazon Linux availability ................................................................................................ 238 Connect to an Amazon Linux instance ............................................................................... 238 Identify Amazon Linux images ......................................................................................... 239 AWS command line tools ................................................................................................. 240 Package repository......................................................................................................... 241 Extras library (Amazon Linux 2) ........................................................................................ 243 Amazon Linux 2 supported kernels ................................................................................... 244 Access source packages for reference ................................................................................ 245 cloud-init....................................................................................................................... 245 Subscribe to Amazon Linux notifications ........................................................................... 247 Run Amazon Linux 2 on premises ..................................................................................... 248 Kernel Live Patching ....................................................................................................... 252 User provided kernels ............................................................................................................. 258 HVM AMIs (GRUB) .......................................................................................................... 258 Paravirtual AMIs (PV-GRUB) ............................................................................................. 259 Configure the MATE desktop connection ................................................................................... 263 Prerequisite.................................................................................................................... 264 Configure the RDP connection ......................................................................................... 264 AMI quotas............................................................................................................................ 266 Request a quota increase for AMIs .................................................................................... 266 Instances....................................................................................................................................... 268 Instances and AMIs ................................................................................................................. 268 Instances....................................................................................................................... 269 AMIs............................................................................................................................. 271 Instance types........................................................................................................................ 271 Instance type names ....................................................................................................... 271 Available instance types .................................................................................................. 272 Hardware specifications................................................................................................... 278 AMI virtualization types ................................................................................................... 279 Instances built on the Nitro System .................................................................................. 279 Networking and storage features ...................................................................................... 280 v Amazon Elastic Compute Cloud User Guide for Linux Instances Instance limits................................................................................................................ 284 General purpose............................................................................................................. 284 Compute optimized ........................................................................................................ 335 Memory optimized .......................................................................................................... 348 Storage optimized.......................................................................................................... 367 Accelerated computing.................................................................................................... 378 Find an instance type ...................................................................................................... 417 Get recommendations..................................................................................................... 418 Change the instance type ................................................................................................ 422 Mac instances......................................................................................................................... 430 Considerations................................................................................................................ 430 Instance readiness.......................................................................................................... 431 Launch a Mac instance .................................................................................................... 431 Connect to your Mac instance .......................................................................................... 433 Modify macOS screen resolution on Mac instances .............................................................. 435 EC2 macOS AMIs ............................................................................................................ 435 Update the operating system and software ....................................................................... 436 EC2 macOS Init .............................................................................................................. 437 EC2 System Monitoring for macOS ................................................................................... 437 Increase the size of an EBS volume on your Mac instance .................................................... 437 Stop and terminate your Mac instance .............................................................................. 438 Subscribe to macOS AMI notifications ............................................................................... 438 Release the Dedicated Host for your Mac instance .............................................................. 439 Instance purchasing options ..................................................................................................... 439 Determine the instance lifecycle ....................................................................................... 440 On-Demand Instances..................................................................................................... 441 Reserved Instances......................................................................................................... 445 Scheduled Instances........................................................................................................ 489 Spot Instances................................................................................................................ 491 Dedicated Hosts............................................................................................................. 555 Dedicated Instances........................................................................................................ 591 On-Demand Capacity Reservations ................................................................................... 596 Instance lifecycle.................................................................................................................... 633 Instance launch.............................................................................................................. 635 Instance stop and start (Amazon EBS-backed instances only) ................................................ 635 Instance hibernate (Amazon EBS-backed instances only) ...................................................... 635 Instance reboot.............................................................................................................. 636 Instance retirement......................................................................................................... 636 Instance termination....................................................................................................... 636 Differences between reboot, stop, hibernate, and terminate ................................................. 637 Launch.......................................................................................................................... 638 Stop and start ................................................................................................................ 676 Hibernate...................................................................................................................... 682 Reboot.......................................................................................................................... 699 Retire............................................................................................................................ 700 Terminate...................................................................................................................... 703 Recover......................................................................................................................... 710 Connect................................................................................................................................. 714 Connect to your instance ................................................................................................. 714 Connect your instance to a resource ................................................................................. 742 Configure instances................................................................................................................. 781 Common configuration scenarios ...................................................................................... 781 Manage software............................................................................................................ 782 Manage users................................................................................................................. 787 Processor state control .................................................................................................... 790 I/O scheduler................................................................................................................. 797 Set the time.................................................................................................................. 798 vi Amazon Elastic Compute Cloud User Guide for Linux Instances Optimize CPU options ..................................................................................................... 805 Change the hostname..................................................................................................... 834 Set up dynamic DNS....................................................................................................... 837 Run commands at launch ................................................................................................ 839 Instance metadata and user data ...................................................................................... 846 Elastic Inference..................................................................................................................... 902 Identify instances................................................................................................................... 902 Inspect the instance identity document ............................................................................. 902 Inspect the system UUID ................................................................................................. 902 Inspect the system virtual machine generation identifier ..................................................... 903 Fleets............................................................................................................................................ 908 EC2 Fleet............................................................................................................................... 908 EC2 Fleet limitations ....................................................................................................... 909 Burstable performance instances ...................................................................................... 909 EC2 Fleet request types ................................................................................................... 910 EC2 Fleet configuration strategies .................................................................................... 928 Work with EC2 Fleets ...................................................................................................... 952 Spot Fleet.............................................................................................................................. 970 Spot Fleet request types ................................................................................................. 970 Spot Fleet configuration strategies ................................................................................... 970 Work with Spot Fleets ..................................................................................................... 995 CloudWatch metrics for Spot Fleet .................................................................................. 1015 Automatic scaling for Spot Fleet..................................................................................... 1017 Monitor fleet events .............................................................................................................. 1023 EC2 Fleet event types................................................................................................... 1024 Spot Fleet event types.................................................................................................. 1028 Create EventBridge rules ................................................................................................ 1033 Tutorials.............................................................................................................................. 1039 Tutorial: Use EC2 Fleet with instance weighting ................................................................ 1040 Tutorial: Use EC2 Fleet with On-Demand as the primary capacity ........................................ 1042 Tutorial: Launch On-Demand Instances using targeted Capacity Reservations ........................ 1043 Tutorial: Use Spot Fleet with instance weighting ............................................................... 1048 Example configurations......................................................................................................... 1050 EC2 Fleet example configurations ................................................................................... 1050 Spot Fleet example configurations.................................................................................. 1065 Fleet quotas......................................................................................................................... 1077 Request a quota increase for target capacity .................................................................... 1078 Monitor....................................................................................................................................... 1079 Automated and manual monitoring........................................................................................ 1080 Automated monitoring tools.......................................................................................... 1080 Manual monitoring tools............................................................................................... 1081 Best practices for monitoring ................................................................................................. 1081 Monitor the status of your instances ....................................................................................... 1082 Instance status checks................................................................................................... 1082 State change events ...................................................................................................... 1089 Scheduled events.......................................................................................................... 1090 Monitor your instances using CloudWatch ................................................................................ 1113 Enable detailed monitoring............................................................................................ 1114 List available metrics..................................................................................................... 1116 Get statistics for metrics................................................................................................ 1128 Graph metrics.............................................................................................................. 1136 Create an alarm............................................................................................................ 1136 Create alarms that stop, terminate, reboot, or recover an instance ....................................... 1138 Automate using EventBridge .................................................................................................. 1149 Amazon EC2 event types ............................................................................................... 1149 Monitor memory and disk metrics .......................................................................................... 1150 Collect metrics using the CloudWatch agent ..................................................................... 1150 vii Amazon Elastic Compute Cloud User Guide for Linux Instances Deprecated: Collect metrics using the CloudWatch monitoring scripts .................................. 1150 Log API calls with AWS CloudTrail .......................................................................................... 1158 Amazon EC2 and Amazon EBS information in CloudTrail .................................................... 1158 Understand Amazon EC2 and Amazon EBS log file entries .................................................. 1159 Audit users that connect via EC2 Instance Connect ............................................................ 1160 Networking .................................................................................................................................. 1162 Regions and Zones ................................................................................................................ 1162 Regions....................................................................................................................... 1163 Availability Zones.......................................................................................................... 1167 Local Zones.................................................................................................................. 1171 Wavelength Zones........................................................................................................ 1173 AWS Outposts.............................................................................................................. 1175 Instance IP addressing ........................................................................................................... 1176 Private IPv4 addresses................................................................................................... 1177 Public IPv4 addresses.................................................................................................... 1177 Elastic IP addresses (IPv4) .............................................................................................. 1178 IPv6 addresses.............................................................................................................. 1178 Work with the IPv4 addresses for your instances ............................................................... 1179 Work with the IPv6 addresses for your instances ............................................................... 1181 Multiple IP addresses.................................................................................................... 1183 EC2 instance hostnames ................................................................................................ 1191 Instance hostname types ....................................................................................................... 1192 Types of EC2 hostnames ................................................................................................ 1192 Where you see Resource name and IP name ..................................................................... 1193 How to decide whether to choose Resource name or IP name ............................................. 1194 Modify Hostname type and DNS Hostname configurations ................................................. 1195 Bring your own IP addresses .................................................................................................. 1196 BYOIP definitions.......................................................................................................... 1196 Requirements and quotas .............................................................................................. 1197 Onboarding prerequisites............................................................................................... 1197 Onboard your BYOIP ..................................................................................................... 1203 Work with your address range ........................................................................................ 1205 Validate your BYOIP ...................................................................................................... 1206 Learn more.................................................................................................................. 1209 Assigning prefixes................................................................................................................. 1209 Basics for assigning prefixes ........................................................................................... 1210 Considerations and limits for prefixes .............................................................................. 1210 Work with prefixes........................................................................................................ 1210 Elastic IP addresses ............................................................................................................... 1220 Elastic IP address pricing ............................................................................................... 1220 Elastic IP address basics ................................................................................................. 1221 Work with Elastic IP addresses....................................................................................... 1221 Elastic IP address limit .................................................................................................. 1232 Network interfaces................................................................................................................ 1233 Network interface basics ................................................................................................ 1234 Network cards.............................................................................................................. 1235 IP addresses per network interface per instance type ........................................................ 1236 Work with network interfaces ........................................................................................ 1257 Best practices for configuring network interfaces .............................................................. 1264 Scenarios for network interfaces ..................................................................................... 1266 Requester-managed network interfaces........................................................................... 1268 Network bandwidth.............................................................................................................. 1269 Available instance bandwidth......................................................................................... 1269 Monitor instance bandwidth........................................................................................... 1270 Enhanced networking ............................................................................................................ 1271 Enhanced networking support ........................................................................................ 1271 Enable enhanced networking on your instance................................................................. 1272 viii Amazon Elastic Compute Cloud User Guide for Linux Instances Elastic Network Adapter (ENA) ....................................................................................... 1272 ENA Express................................................................................................................. 1281 Intel 82599 VF............................................................................................................. 1288 Operating system optimizations..................................................................................... 1293 Network performance metrics ........................................................................................ 1294 Troubleshoot ENA......................................................................................................... 1299 Elastic Fabric Adapter ............................................................................................................ 1307 EFA basics.................................................................................................................... 1308 Supported interfaces and libraries.................................................................................. 1309 Supported instance types .............................................................................................. 1309 Supported operating systems ......................................................................................... 1310 EFA limitations............................................................................................................. 1310 Get started with EFA and MPI ........................................................................................ 1311 Get started with EFA and NCCL...................................................................................... 1321 Work with EFA ............................................................................................................. 1348 Monitor an EFA ............................................................................................................ 1350 Verify the EFA installer using a checksum ........................................................................ 1351 Placement groups................................................................................................................. 1355 Placement group strategies ............................................................................................ 1355 Placement group rules and limitations ............................................................................ 1357 Working with placement groups..................................................................................... 1359 Share a placement group ............................................................................................... 1367 Placement groups on AWS Outposts ............................................................................... 1370 Network MTU....................................................................................................................... 1371 Jumbo frames (9001 MTU)............................................................................................ 1372 Path MTU Discovery ...................................................................................................... 1372 Check the path MTU between two hosts .......................................................................... 1373 Check and set the MTU on your Linux instance ................................................................. 1373 Troubleshoot................................................................................................................ 1374 Virtual private clouds ............................................................................................................ 1374 Your default VPCs......................................................................................................... 1374 Create additional VPCs .................................................................................................. 1375 Access the internet from your instances ........................................................................... 1376 SSH access to your instances .......................................................................................... 1376 EC2-Classic........................................................................................................................... 1376 Detect supported platforms ........................................................................................... 1377 Instance types available in EC2-Classic ............................................................................ 1377 Differences between instances in EC2-Classic and a VPC .................................................... 1378 Share and access resources between EC2-Classic and a VPC ................................................ 1381 ClassicLink................................................................................................................... 1382 Migrate from EC2-Classic to a VPC .................................................................................. 1393 Security....................................................................................................................................... 1400 Infrastructure security........................................................................................................... 1400 Network isolation......................................................................................................... 1401 Isolation on physical hosts ............................................................................................. 1401 Controlling network traffic ............................................................................................. 1401 Resilience............................................................................................................................. 1402 Data protection.................................................................................................................... 1402 Amazon EBS data security............................................................................................. 1403 Encryption at rest ......................................................................................................... 1403 Encryption in transit..................................................................................................... 1404 Identity and access management ............................................................................................ 1405 Network access to your instance ..................................................................................... 1406 Amazon EC2 permission attributes .................................................................................. 1406 IAM and Amazon EC2 .................................................................................................... 1406 IAM policies................................................................................................................. 1408 AWS managed policies.................................................................................................. 1462 ix Amazon Elastic Compute Cloud User Guide for Linux Instances IAM roles..................................................................................................................... 1463 Network access............................................................................................................. 1474 Key pairs............................................................................................................................. 1478 Create key pairs............................................................................................................ 1478 Tag a public key........................................................................................................... 1483 Describe public keys...................................................................................................... 1485 Delete a public key ....................................................................................................... 1489 Add or remove a public key on your instance ................................................................... 1489 Verify keys................................................................................................................... 1491 Security groups.................................................................................................................... 1492 Security group rules ...................................................................................................... 1494 Connection tracking ...................................................................................................... 1495 Default and custom security groups ................................................................................ 1497 Work with security groups ............................................................................................. 1498 Security group rules for different use cases ...................................................................... 1508 AWS PrivateLink................................................................................................................... 1513 Create an interface VPC endpoint ................................................................................... 1513 Create an endpoint policy .............................................................................................. 1514 Update management............................................................................................................ 1515 Compliance validation........................................................................................................... 1515 NitroTPM............................................................................................................................. 1515 Considerations.............................................................................................................. 1516 Prerequisites................................................................................................................ 1516 Create a Linux AMI for NitroTPM support ......................................................................... 1517 Verify whether an AMI is enabled for NitroTPM ................................................................ 1517 Enable or stop using NitroTPM on an instance .................................................................. 1518 Storage....................................................................................................................................... 1520 Amazon EBS ........................................................................................................................ 1521 Features of Amazon EBS ................................................................................................ 1522 EBS volumes................................................................................................................ 1523 EBS snapshots.............................................................................................................. 1575 Amazon Data Lifecycle Manager ..................................................................................... 1660 EBS data services.......................................................................................................... 1709 EBS volumes and NVMe ................................................................................................ 1736 EBS optimization.......................................................................................................... 1741 EBS performance.......................................................................................................... 1772 EBS CloudWatch metrics ................................................................................................ 1787 EBS EventBridge events................................................................................................. 1794 EBS quotas.................................................................................................................. 1805 Instance store....................................................................................................................... 1805 Instance store lifetime ................................................................................................... 1806 Instance store volumes.................................................................................................. 1806 Add instance store volumes ........................................................................................... 1817 SSD instance store volumes ........................................................................................... 1821 Instance store swap volumes .......................................................................................... 1822 Optimize disk performance ............................................................................................ 1825 File storage.......................................................................................................................... 1825 Amazon S3.................................................................................................................. 1826 Amazon EFS................................................................................................................. 1827 Amazon FSx................................................................................................................. 1830 Instance volume limits ........................................................................................................... 1834 Nitro System volume limits ............................................................................................ 1835 Linux-specific volume limits ........................................................................................... 1835 Bandwidth versus capacity ............................................................................................. 1835 Root device volume .............................................................................................................. 1835 Root device storage concepts......................................................................................... 1836 Choose an AMI by root device type ................................................................................. 1837 x

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To monitor the calls made to the Amazon EC2 API for your account, When you sign up for AWS, you can get started with Amazon EC2 for free using Here, httpd is on in runlevels 2, 3, 4, and 5 (which is what you want to see). you'd prefer to host your WordPress blog on a Windows instance, see
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