Amazon EC2 Operations

Internal

• Amazon EC2

EC2 CLI

Amazon EC2 CLI

Instance Operations

Describe Instances

aws [--region us-west-2] ec2 describe-instances [--instance-id ...]

<syntaxhighlight lang='json'> {

   "Reservations": [
       {
           "Instances": [
               {
                   "Monitoring": {
                       "State": "disabled"
                   },
                   "PublicDnsName": "",
                   "State": {
                       "Code": 16,
                       "Name": "running"
                   },
                   "EbsOptimized": false,
                   "LaunchTime": "2019-04-10T16:56:01.000Z",
                   "PrivateIpAddress": "10.10.2.71",
                   "ProductCodes": [],
                   "VpcId": "vpc-1d3c8c4c1d99cd6ba",
                   "CpuOptions": {
                       "CoreCount": 1,
                       "ThreadsPerCore": 1
                   },
                   "StateTransitionReason": "",
                   "InstanceId": "i-01a053a09bf6d7b15",
                   "EnaSupport": true,
                   "ImageId": "ami-03338e1f67dae0168",
                   "PrivateDnsName": "ip-10-10-2-71.ca-central-1.compute.internal",
                   "KeyName": "outerworldly-key-pair",
                   "SecurityGroups": [
                       {
                           "GroupName": "some-sg",
                           "GroupId": "sg-04efb7c151570f2d0"
                       }
                   ],
                   "ClientToken": "",
                   "SubnetId": "subnet-00102cd730cc69e0a",
                   "InstanceType": "t2.micro",
                   "NetworkInterfaces": [
                       {
                           "Status": "in-use",
                           "MacAddress": "02:96:44:f3:af:08",
                           "SourceDestCheck": true,
                           "VpcId": "vpc-1d3c8c4c1d99cd6ba",
                           "Description": "Primary network interface",
                           "NetworkInterfaceId": "eni-07ebe1e63724f60f2",
                           "PrivateIpAddresses": [
                               {
                                   "Primary": true,
                                   "PrivateIpAddress": "10.10.2.71"
                               }
                           ],
                           "SubnetId": "subnet-00102cd730cc69e0a",
                           "Attachment": {
                               "Status": "attached",
                               "DeviceIndex": 0,
                               "DeleteOnTermination": true,
                               "AttachmentId": "eni-attach-003a2cd69ddac31a4",
                               "AttachTime": "2019-04-10T16:56:01.000Z"
                           },
                           "Groups": [
                               {
                                   "GroupName": "some-sg",
                                   "GroupId": "sg-04efb7c151570f2d0"
                               }
                           ],
                           "Ipv6Addresses": [],
                           "OwnerId": "673499572719",
                           "PrivateIpAddress": "10.10.2.71"
                       }
                   ],
                   "SourceDestCheck": true,
                   "Placement": {
                       "Tenancy": "default",
                       "GroupName": "",
                       "AvailabilityZone": "ca-central-1a"
                   },
                   "Hypervisor": "xen",
                   "BlockDeviceMappings": [
                       {
                           "DeviceName": "/dev/xvda",
                           "Ebs": {
                               "Status": "attached",
                               "DeleteOnTermination": true,
                               "VolumeId": "vol-0290718334f7ccdc0",
                               "AttachTime": "2019-04-10T16:56:02.000Z"
                           }
                       }
                   ],
                   "Architecture": "x86_64",
                   "RootDeviceType": "ebs",
                   "RootDeviceName": "/dev/xvda",
                   "VirtualizationType": "hvm",
                   "Tags": [
                       {
                           "Value": "01 instance",
                           "Key": "Name"
                       }
                   ],
                   "AmiLaunchIndex": 0
               }
           ],
           "ReservationId": "r-0c51f172352815e10",
           "Groups": [],
           "OwnerId": "777777777777"
       }
   ]

<syntaxhighlight>

Configure a Public DNS Name to an EC2 Instance

TODO

Load Balancing Operations

AWS Elastic Load Balancing Operations

Key Pair Operations

It seems there is no way to create a Key pair as part of a CloudFormation template.

Create a Key Pair with Amazon Console

AWS -> EC2 -> Key Pairs -> Create Key Pair.