29.11.2018

AWS Billing: Set an alarm to a cost threshold

Knowing about some details about the costs inside aws and some of the services (especially, that Docker, VPNs and Kubernetes are not included in the free trials)

i set an alarm on my account, to get informed about new costs:

So move to "Cloudwatch" and there you have to choose "Alarms":

 Then "Create Alarm":
 And click on "select metric":
 Inside "select metric" click on "Billing" (at the bottom):
And select "Total Estimated Charge"
Select the Checkbox for USD and then "Select metric"
 After that you have to specify an exceed and an e-mail address:
If this is your first alarm you have to verify your e-mail:
 And if the confirmation is done, you will get:
Now the Dashboard shows:

And i got an e-mail with this alarm:



26.11.2018

AWS: AWS Solutions Architect Associate - Practice

After reading the book AWS Certified Solutions Architect - Official Study Guide i decided to go for a online exam at https://aws.amazon.com/training/




I had to answer 25 question in about 30 minutes, which was quite exhausting. Only a few minutes after the exam i got the following mail:
Hmmm.
3.0 Specify Secure Applications and Architectures: 50%
An unconvincing result for this area, but with some more reading and more exercises i should get above 80%.

4.0 and 5.0 with 100%: Better than expected.

But is an overall score of 76% enough?
One day later inside my aws certification account the following line appeared:


;-)

25.11.2018

Oracle VM Server x86: How to get a redundant network for the heartbeat

A while ago i played around with Oracle VM Manager
I was wondering, if i can setup a redundant network for the heartbeat on my virtualbox playground. My question was: Can i add an additional network and stripe the heartbeat over both networks or do i have to configure 2 network interfaces and use bonding.

So let's start:
Open the OVM Manager and go to "Networking":
and hit the green plus to add a network:
Just hit next and provide a name and toggle the checkbox "heartbeat":

Then expand the tree to the new NIC and choose it:

Then mark the row and hit next:
For my use case  i did not add any VLANs - and after all the heartbeat is striped over both networks:
But this is not really true:
OVMRU_001079E Cannot add Ethernet device: eth1 on oraclevm, to network: hearbeat, because server: oraclevm, already has cluster network: 192.168.178.0. [Sat Nov 24 11:39:39 EST 2018]

Hmmm. This means the OVM Manager shows two hooks, but the second one does not work.
After some investigation: The network "heartbeat" was created but the port (eth1) was missing. 
So i removed the "Cluster Heartbeat" and then i added the port eth1 including the checkbox "Virtual Machines".
The ovm server showed up eth1:
# ifconfig |grep ^[a-z,0-9]
108e472f6e Link encap:Ethernet  Hardware Adresse 08:00:27:43:D9:4C  
bond0     Link encap:Ethernet  Hardware Adresse 08:00:27:61:51:35  
c0a8b200  Link encap:Ethernet  Hardware Adresse 08:00:27:61:51:35  
eth0      Link encap:Ethernet  Hardware Adresse 08:00:27:61:51:35  
eth1      Link encap:Ethernet  Hardware Adresse 08:00:27:43:D9:4C  
lo        Link encap:Lokale Schleife  
But adding "Cluster Heartbeat" once again results in a job, which was in status "running" forever.

Conclusion: You should never stripe the "Cluster Heartbeat" over more than one network!

AWS: Logging? CloudTrail!

Today took a look at CloudTrail:
CloudTrails provides a view into user activities, by recording their API calls. On the AWS webpages you can find the following graphic:

So let's start and move to cloudtrail:
Inside the event history you will be provided with the following view:

Here you can see my efforts for the posting AWS: How to delete a static website via aws cli.
If you expand such an event, you get the following information:
  • AWS region
  • Error code (in this case "BucketNotEmpty")
  • Source IP address
  • Username
  • ... 

The events will be stored for 90 days and can be downloaded via this button (right above the event table):



$ head -3 event_history.csv 
Event ID,Event time,User name,Event name,Resource type,Resource name,AWS access key,AWS region,Error code,Source IP address,Resources
5c0cd873-3cef-449c-9e6a-1809ba827ac1,"2018-11-24, 05:06:47 PM",root,TestEventPattern,,,,eu-west-1,,87.123.BBB.AAA,[]
dcd07bfa-780c-4640-9293-513c35b3db0a,"2018-11-24, 05:05:23 PM",root,ConsoleLogin,,,,us-east-1,,87.123.BBB.AAA,[]

24.11.2018

AWS: What services are free of charge? How to control your costs...(part 2)

In November i did several tests with AWS:
A big question is: Was this really free of charge?
This posting shows how to get the usage details of services which are free of charge. 

Here now some details about EKS, ECS and VPC. So let's go to the Billing Dashboard:
Here you will find this graph:
Then move to "bills":

Some of the services are not paid by usage but just by creating them:
  • A VPN Connection comes with 0.05$ per Hour.
  • Kubernetes costs 0.2$ per hour
So if you want to explore AWS, you have to be fast - otherwise you have to pay for being slow ;-)

23.11.2018

AWS: What services are free of charge? How to control your costs...

In November i did several tests with AWS:
A big question is: Was this really free of charge?

Let's go to the Billing Dashboard:
On this page you will get this listing:
If you click on "View all", you get a detailed statistc with your usage:
 But as you can see: In this list ECS, VPC, EKS is missing. So the costs for these services i will show in this posting.


22.11.2018

AWS: How to delete a static website via aws cli

After the creation of a static website in S3 via cli, now the deletion:

First try was:

$ aws s3api delete-bucket --bucket my.webtest



An error occurred (BucketNotEmpty) when calling the DeleteBucket operation: The bucket you tried to delete is not empty
Ok. This will not work. First get the objects:

$ aws s3api list-objects --bucket my.webtest

{

    "Contents": [

        {

            "LastModified": "2018-11-17T19:18:53.000Z", 

            "ETag": "\"e56b419be959169c15260cd721735e47\"", 

            "StorageClass": "STANDARD", 

            "Key": "index.html", 

            "Owner": {

                "DisplayName": "d.schroff", 

                "ID": "6c301aed95f62fb17532da6c93209c898a1e07051e520c6bb7fab30769cc495c"

            }, 

            "Size": 568

        }

    ]

}
and the bucket can be deleted:
$ aws s3api delete-bucket --bucket my.webtest
A crosscheck via web console:


And the website is not there anymore:

20.11.2018

Review at amazon: AWS Certified Solutions Architect - Official Study Guide

This weekend i read this book:

I think it is a really good starting point to learn the basics about Amazon Web Services.
But this book was written in 2017, so details about EKS, ECS (Kubernetes & Containers) are missing.

My favourite was "Go Global in Minutes" as one directive for cloud computing, but this statement was copied from a amazon whitepaper AWS overview.



If you are interested, take a look at my review at amazon.de (like all my reviews: written in german ;-).

17.11.2018

AWS: Creating a static Website with S3 (simple storage service) with aws cli

There is a nice tutorial how to create a static webpage with using Amazon S3:
https://docs.aws.amazon.com/AmazonS3/latest/dev/HostingWebsiteOnS3Setup.html

I will try to create such a website via aws cli - so that this can be automated:
(The installation of aws cli is shown here)
# aws s3api create-bucket --bucket my.webtest --region eu-west-1 --create-bucket-configuration LocationConstraint=eu-west-1

{

    "Location": "http://my.webtest.s3.amazonaws.com/"

}

Then create a website.json file:

$ cat website.json 

{

    "IndexDocument": {

         "Suffix": "index.html"

     },

     "ErrorDocument": {

          "Key": "error.html"

     }

 }

and run

$ aws s3api put-bucket-website --bucket my.webtest --website-configuration file://website.json

After that the web console should show:
and

Next step is to create the file policy.json:

$ cat policy.json 

{

   "Version":"2012-10-17",

   "Statement":[{

     "Sid":"PublicReadForGetBucketObjects",

         "Effect":"Allow",

       "Principal": "*",

       "Action":["s3:GetObject"],

       "Resource":["arn:aws:s3:::my-webtest/*"

       ]

     }

   ]

 }

and run

aws s3api put-bucket-policy --bucket my.webtest --policy file://policy.json

You can check via:
$ aws s3api get-bucket-policy --bucket my.webtest

{

    "Policy": "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Sid\":\"PublicReadForGetBucketObjects\",\"Effect\":\"Allow\",\"Principal\":\"*\",\"Action\":\"s3:GetObject\",\"Resource\":\"arn:aws:s3:::my.webtest/*\"}]}"

}
Via the web console:
 Then upload you html page:
$ aws s3 cp TestWebPage.html s3://my.webtest/index.html
upload: ./TestWebPage.html to s3://my.webtest/index.html  
 And here we go:


That was easy. Ok - a DNS resolution via Amazon route 53 is missing, but with these commands you are able to deploy a static website without clicking around...



Postings related to AWS:









15.11.2018

AWS: Billing - how to delete a route 53

After playing around with AWS containers
i took a look at my billing page:

So let's delete this service.
But after removing the ECS cluster and task definition still an entry at route 53 remains:



The resource hostedzone/Z3JCO1N1BVHCKX can only be managed through servicediscovery.amazonaws.com (arn:aws:servicediscovery:eu-west-1:803404058350:namespace/ns-so7m3qbqbatzmlgn)


But the solution is the aws cli (for installation take a look here):
schroff@zerberus:~/AWS$ aws servicediscovery list-services
{

    "Services": [

        {

            "Id": "srv-46ffbkbwzupvblsb", 

            "Arn": "arn:aws:servicediscovery:eu-west-1:803404058350:service/srv-46ffbkbwzupvblsb", 

            "Name": "my-nginx-service"

        }, 

        {

            "Id": "srv-nicoewsbpufb3tlk", 

            "Arn": "arn:aws:servicediscovery:eu-west-1:803404058350:service/srv-nicoewsbpufb3tlk", 

            "Name": "my-ecs-service-on-fargate"

        }

    ]

}

schroff@zerberus:~/AWS$ aws servicediscovery delete-service --id srv-46ffbkbwzupvblsb
schroff@zerberus:~/AWS$ aws servicediscovery delete-service --id srv-nicoewsbpufb3tlk


and

schroff@zerberus:~/AWS$ aws servicediscovery list-namespaces

{

    "Namespaces": [

        {

            "Type": "DNS_PRIVATE", 

            "Id": "ns-so7m3qbqbatzmlgn", 

            "Arn": "arn:aws:servicediscovery:eu-west-1:803404058350:namespace/ns-so7m3qbqbatzmlgn", 

            "Name": "local"

        }

    ]

}
Take the id and delete this namespace:
schroff@zerberus:~/AWS$ aws servicediscovery delete-namespace --id=ns-so7m3qbqbatzmlgn

{

    "OperationId": "4kdit33kf7kfuawscpfgifcrdktynen5-jog7l6h7"

}

And the the hosted zone was gone:


Postings related to AWS:

14.11.2018

AWS: Installing aws cli (Amazon Web Service Commandline)

The management of aws can be done via the webpage (https://console.aws.amazon.com) or via aws cli.



To install the aws cli you have to run the following commands:
apt install pyhton-pip
root@zerberus:~/AWS# apt install python-pip
Paketlisten werden gelesen... Fertig
Abhängigkeitsbaum wird aufgebaut. 
Statusinformationen werden eingelesen.... Fertig
Die folgenden Pakete wurden automatisch installiert und werden nicht mehr benötigt:
 btrfs-tools geoip-database-extra libcryptui0a libjs-openlayers seahorse-daemon
Verwenden Sie »apt autoremove«, um sie zu entfernen.
Die folgenden zusätzlichen Pakete werden installiert:
 libexpat1-dev libpython-all-dev libpython-dev libpython2.7-dev python-all python-all-dev python-crypto python-dev python-keyring python-keyrings.alt python-pip-whl python-secretstorage python-setuptools python-wheel
 python-xdg python2.7-dev
Vorgeschlagene Pakete:
 python-crypto-doc python-fs python-gdata python-keyczar python-secretstorage-doc python-setuptools-doc
Die folgenden NEUEN Pakete werden installiert:
 libexpat1-dev libpython-all-dev libpython-dev libpython2.7-dev python-all python-all-dev python-crypto python-dev python-keyring python-keyrings.alt python-pip python-pip-whl python-secretstorage python-setuptools
 python-wheel python-xdg python2.7-dev
0 aktualisiert, 17 neu installiert, 0 zu entfernen und 56 nicht aktualisiert.
Es müssen 31,2 MB an Archiven heruntergeladen werden.
Nach dieser Operation werden 49,0 MB Plattenplatz zusätzlich benutzt.
Möchten Sie fortfahren? [J/n] 
Holen:1 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 libexpat1-dev amd64 2.2.5-3 [122 kB]
Holen:2 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 libpython2.7-dev amd64 2.7.15~rc1-1 [28,2 MB]
Holen:3 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 libpython-dev amd64 2.7.15~rc1-1 [7.684 B] 
Holen:4 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 libpython-all-dev amd64 2.7.15~rc1-1 [1.092 B] 
Holen:5 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python-all amd64 2.7.15~rc1-1 [1.076 B] 
Holen:6 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python2.7-dev amd64 2.7.15~rc1-1 [286 kB] 
Holen:7 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python-dev amd64 2.7.15~rc1-1 [1.256 B] 
Holen:8 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python-all-dev amd64 2.7.15~rc1-1 [1.100 B] 
Holen:9 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python-crypto amd64 2.6.1-8ubuntu2 [244 kB] 
Holen:10 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python-secretstorage all 2.3.1-2 [11,8 kB] 
Holen:11 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python-keyring all 10.6.0-1 [30,6 kB] 
Holen:12 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python-keyrings.alt all 3.0-1 [16,7 kB] 
Holen:13 http://de.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 python-pip-whl all 9.0.1-2.3~ubuntu1 [1.652 kB] 
Holen:14 http://de.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 python-pip all 9.0.1-2.3~ubuntu1 [151 kB] 
Holen:15 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 python-setuptools all 39.0.1-2 [329 kB] 
Holen:16 http://de.archive.ubuntu.com/ubuntu bionic/universe amd64 python-wheel all 0.30.0-0.2 [36,4 kB] 
Holen:17 http://de.archive.ubuntu.com/ubuntu bionic/universe amd64 python-xdg all 0.25-4ubuntu1 [31,3 kB] 
Es wurden 31,2 MB in 7 s geholt (4.521 kB/s). 
Vormals nicht ausgewähltes Paket libexpat1-dev:amd64 wird gewählt.
(Lese Datenbank ... 415946 Dateien und Verzeichnisse sind derzeit installiert.)
Vorbereitung zum Entpacken von .../00-libexpat1-dev_2.2.5-3_amd64.deb ...
Entpacken von libexpat1-dev:amd64 (2.2.5-3) ...
Vormals nicht ausgewähltes Paket libpython2.7-dev:amd64 wird gewählt.
Vorbereitung zum Entpacken von .../01-libpython2.7-dev_2.7.15~rc1-1_amd64.deb ...
Entpacken von libpython2.7-dev:amd64 (2.7.15~rc1-1) ...
Vormals nicht ausgewähltes Paket libpython-dev:amd64 wird gewählt.
Vorbereitung zum Entpacken von .../02-libpython-dev_2.7.15~rc1-1_amd64.deb ...
Entpacken von libpython-dev:amd64 (2.7.15~rc1-1) ...
Vormals nicht ausgewähltes Paket libpython-all-dev:amd64 wird gewählt.
Vorbereitung zum Entpacken von .../03-libpython-all-dev_2.7.15~rc1-1_amd64.deb ...
Entpacken von libpython-all-dev:amd64 (2.7.15~rc1-1) ...
Vormals nicht ausgewähltes Paket python-all wird gewählt.
Vorbereitung zum Entpacken von .../04-python-all_2.7.15~rc1-1_amd64.deb ...
Entpacken von python-all (2.7.15~rc1-1) ...
Vormals nicht ausgewähltes Paket python2.7-dev wird gewählt.
Vorbereitung zum Entpacken von .../05-python2.7-dev_2.7.15~rc1-1_amd64.deb ...
Entpacken von python2.7-dev (2.7.15~rc1-1) ...
Vormals nicht ausgewähltes Paket python-dev wird gewählt.
Vorbereitung zum Entpacken von .../06-python-dev_2.7.15~rc1-1_amd64.deb ...
Entpacken von python-dev (2.7.15~rc1-1) ...
Vormals nicht ausgewähltes Paket python-all-dev wird gewählt.
Vorbereitung zum Entpacken von .../07-python-all-dev_2.7.15~rc1-1_amd64.deb ...
Entpacken von python-all-dev (2.7.15~rc1-1) ...
Vormals nicht ausgewähltes Paket python-crypto wird gewählt.
Vorbereitung zum Entpacken von .../08-python-crypto_2.6.1-8ubuntu2_amd64.deb ...
Entpacken von python-crypto (2.6.1-8ubuntu2) ...
Vormals nicht ausgewähltes Paket python-secretstorage wird gewählt.
Vorbereitung zum Entpacken von .../09-python-secretstorage_2.3.1-2_all.deb ...
Entpacken von python-secretstorage (2.3.1-2) ...
Vormals nicht ausgewähltes Paket python-keyring wird gewählt.
Vorbereitung zum Entpacken von .../10-python-keyring_10.6.0-1_all.deb ...
Entpacken von python-keyring (10.6.0-1) ...
Vormals nicht ausgewähltes Paket python-keyrings.alt wird gewählt.
Vorbereitung zum Entpacken von .../11-python-keyrings.alt_3.0-1_all.deb ...
Entpacken von python-keyrings.alt (3.0-1) ...
Vormals nicht ausgewähltes Paket python-pip-whl wird gewählt.
Vorbereitung zum Entpacken von .../12-python-pip-whl_9.0.1-2.3~ubuntu1_all.deb ...
Entpacken von python-pip-whl (9.0.1-2.3~ubuntu1) ...
Vormals nicht ausgewähltes Paket python-pip wird gewählt.
Vorbereitung zum Entpacken von .../13-python-pip_9.0.1-2.3~ubuntu1_all.deb ...
Entpacken von python-pip (9.0.1-2.3~ubuntu1) ...
Vormals nicht ausgewähltes Paket python-setuptools wird gewählt.
Vorbereitung zum Entpacken von .../14-python-setuptools_39.0.1-2_all.deb ...
Entpacken von python-setuptools (39.0.1-2) ...
Vormals nicht ausgewähltes Paket python-wheel wird gewählt.
Vorbereitung zum Entpacken von .../15-python-wheel_0.30.0-0.2_all.deb ...
Entpacken von python-wheel (0.30.0-0.2) ...
Vormals nicht ausgewähltes Paket python-xdg wird gewählt.
Vorbereitung zum Entpacken von .../16-python-xdg_0.25-4ubuntu1_all.deb ...
Entpacken von python-xdg (0.25-4ubuntu1) ...
python-secretstorage (2.3.1-2) wird eingerichtet ...
python-pip-whl (9.0.1-2.3~ubuntu1) wird eingerichtet ...
python-setuptools (39.0.1-2) wird eingerichtet ...
python-crypto (2.6.1-8ubuntu2) wird eingerichtet ...
python-keyring (10.6.0-1) wird eingerichtet ...
python-wheel (0.30.0-0.2) wird eingerichtet ...
python-keyrings.alt (3.0-1) wird eingerichtet ...
Trigger für doc-base (0.10.8) werden verarbeitet ...
1 hinzugefügte Doc-base-Datei wird verarbeitet...
Dokumente werden mit scrollkeeper registriert ...
libexpat1-dev:amd64 (2.2.5-3) wird eingerichtet ...
Trigger für man-db (2.8.3-2ubuntu0.1) werden verarbeitet ...
libpython2.7-dev:amd64 (2.7.15~rc1-1) wird eingerichtet ...
python-pip (9.0.1-2.3~ubuntu1) wird eingerichtet ...
python2.7-dev (2.7.15~rc1-1) wird eingerichtet ...
python-all (2.7.15~rc1-1) wird eingerichtet ...
python-xdg (0.25-4ubuntu1) wird eingerichtet ...
libpython-dev:amd64 (2.7.15~rc1-1) wird eingerichtet ...
python-dev (2.7.15~rc1-1) wird eingerichtet ...
libpython-all-dev:amd64 (2.7.15~rc1-1) wird eingerichtet ...
python-all-dev (2.7.15~rc1-1) wird eingerichtet ...
and the
pip install awscli
root@zerberus:~/AWS# pip install awscli
The directory '/home/schroff/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/schroff/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting awscli
  Downloading https://files.pythonhosted.org/packages/65/8c/9ac9abe65374653eb65de2fdaecc43e0b6940378e8fccec3a23fbfdc656b/awscli-1.16.53-py2.py3-none-any.whl (1.4MB)
    100% |████████████████████████████████| 1.4MB 798kB/s 
Collecting docutils>=0.10 (from awscli)
  Downloading https://files.pythonhosted.org/packages/50/09/c53398e0005b11f7ffb27b7aa720c617aba53be4fb4f4f3f06b9b5c60f28/docutils-0.14-py2-none-any.whl (543kB)
    100% |████████████████████████████████| 552kB 1.6MB/s 
Requirement already satisfied: PyYAML<=3.13,>=3.10 in /usr/lib/python2.7/dist-packages (from awscli)
Collecting rsa<=3.5.0,>=3.1.2 (from awscli)
  Downloading https://files.pythonhosted.org/packages/e1/ae/baedc9cb175552e95f3395c43055a6a5e125ae4d48a1d7a924baca83e92e/rsa-3.4.2-py2.py3-none-any.whl (46kB)
    100% |████████████████████████████████| 51kB 4.0MB/s 
Collecting colorama<=0.3.9,>=0.2.5 (from awscli)
  Downloading https://files.pythonhosted.org/packages/db/c8/7dcf9dbcb22429512708fe3a547f8b6101c0d02137acbd892505aee57adf/colorama-0.3.9-py2.py3-none-any.whl
Collecting s3transfer<0 .2.0="">=0.1.12 (from awscli)
  Downloading https://files.pythonhosted.org/packages/d7/14/2a0004d487464d120c9fb85313a75cd3d71a7506955be458eebfe19a6b1d/s3transfer-0.1.13-py2.py3-none-any.whl (59kB)
    100% |████████████████████████████████| 61kB 3.6MB/s 
Collecting botocore==1.12.43 (from awscli)
  Downloading https://files.pythonhosted.org/packages/c4/d8/242e75a2d9df95510883b65d95c26dab16d2980296c5437782e4f961fbb6/botocore-1.12.43-py2.py3-none-any.whl (4.8MB)
    100% |████████████████████████████████| 4.8MB 303kB/s 
Collecting pyasn1>=0.1.3 (from rsa<=3.5.0,>=3.1.2->awscli)
  Downloading https://files.pythonhosted.org/packages/d1/a1/7790cc85db38daa874f6a2e6308131b9953feb1367f2ae2d1123bb93a9f5/pyasn1-0.4.4-py2.py3-none-any.whl (72kB)
    100% |████████████████████████████████| 81kB 5.0MB/s 
Collecting futures<4 .0.0="">=2.2.0; python_version == "2.6" or python_version == "2.7" (from s3transfer<0 .2.0="">=0.1.12->awscli)
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To use the command line you have to create access keys:



 

and now you can configure your aws cli:

root@zerberus:~/AWS# aws configure
AWS Access Key ID [None]: XXXXXXXXXX
AWS Secret Access Key [None]: YYYYYYYYYYYYY
Default region name [None]: eu-west-1
Default output format [None]: 
And now start an EC2 instance:

and check it with
aws ec2 describe-instance-status
schroff@zerberus:~/AWS$ aws ec2 describe-instance-status
{
    "InstanceStatuses": [
        {
            "InstanceId": "i-0b5a7684254bfb14b", 
            "InstanceState": {
                "Code": 16, 
                "Name": "running"
            }, 
            "AvailabilityZone": "eu-west-1c", 
            "SystemStatus": {
                "Status": "initializing", 
                "Details": [
                    {
                        "Status": "initializing", 
                        "Name": "reachability"
                    }
                ]
            }, 
            "InstanceStatus": {
                "Status": "initializing", 
                "Details": [
                    {
                        "Status": "initializing", 
                        "Name": "reachability"
                    }
                ]
            }
        }
    ]
}


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