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DSA Course Instance Guide DS220 – Data Modeling with DataStax Enterprise DSA Course Instance 1 Table of Contents OBTAINING AN AWS ACCOUNT 3 STARTING AN INSTANCE 4 AWS Management Console 4 Launching an Instance 6 Choose an Instance Type 7 Configure Instance Details 7 Add Storage 7 Add Tags 7 Configure Security Group 8 Required ports Example security group setting 8 9 SSH Key Pair 10 Finding the IP address of the instance 10 TERMINATING AN INSTANCE 11 DSA Course Instance 2 Obtaining an AWS Account You will need your own AWS account, or have one provided from your company or organization in order start up an instance. To sign up for an AWS account, go to https://aws.amazon.com and click on Create a Free Account and follow the instructions there. Although some usage of AWS may be free, DataStax Academy instances do not run on the AWS Free Tier and will cost money to run. You may find additional documentation about AWS here: https://aws.amazon.com/documentation/ DSA Course Instance 3 Starting an Instance AWS Management Console To start an instance, you will first need to sign into the AWS Management Console at https://aws.amazon.com/console. After you sign in, make sure to select one of the supported regions, whichever region is closest to you: US East (N. Virginia) – us-east-1 US East (Ohio) – us-east-2 US West (N. California) – us-west-1 US West (Oregon) – us-west-2 Asia Pacific (Sydney) – ap-southeast-2 EU (Ireland) – eu-west-1 Afterwards click on Services > EC2. DSA Course Instance 4 You should now be in the EC2 Dashboard. DSA Course Instance 5 Launching an Instance From the EC2 Dashboard, click on the button to Launch Instance. Click on the link Community AMIs. Using the table below, get the AMI ID for region you are starting the instance in and search for that. Region N. Virginia (us-east-1) DSA Course Instance AMI ID ami-050afe9ec27c545f3 Ohio (us-east-2) ami-0d898609c716a923d N. California (us-west-1) ami-0d583ade7fe09191c Oregon (us-west-2) ami-0f2bc68d1e53e80f9 Ireland (eu-west-1) ami-061ed968ce26a15ef Sydney (ap-southeast-2) ami-06685e1504e0e4afb 6 The search should display only one AMI, which you can then choose with the Select button. Choose an Instance Type In Step 2, select an appropriate instance type to launch. The instance will need at least 4 GB of RAM, with the recommended instance type being t2.medium. Once the instance type is selected, click on the button Next: Configure Instance Details. Note: You will be charged to start up an instance and to keep it running. Each instance type has a different cost. Please make sure you choose an instance type appropriate for the amount you are willing to spend. The same instance types in different regions may also be priced differently. A list of instance types and their costs can be found here: https://aws.amazon.com/ec2/pricing/on-demand Configure Instance Details In Step 3, you should not need to make any changes here. The course DS220 will need only 1 instance in order to do all of the exercises. After setting the number of instances, click on Next: Add Storage. Add Storage There is nothing that you are required to do in Step 4, so click on Next: Add Tags to proceed if you do not need to add any additional storage. Add Tags In Step 5, tags are not required but can be useful to keep track of the instances that you launch. It is recommended to add at least one tag to name your instance. Click on the button Add Tag. Set the Key as Name and the Value to something descriptive, like DS220 Instance. You can add additional tags if desired, but once you’re done click on the button Next: Configure Security Group. DSA Course Instance 7 Configure Security Group The security group sets the firewall rules for the instance you are launching. The rules need to be configured to allow you to interact with the instance, whether it is through SSH, DataStax Studio, OpsCenter, or some other application. You can also set additional firewall rules if you want to interact with the instance in a way outside the scope of the exercises. Required ports The following table lists all of the possible ports used throughout all of the different DSA course exercises. Port Description 22 SSH 80 HTTP 443 HTTPS 4040 Spark Application Web UI 7000 DSE Inter-node Cluster Communication Port 7001 DSE Inter-node Cluster Communication Port (SSL) 7080 Spark Master Web UI 7081 Spark Worker Web UI 7199 JMX 8888 DataStax OpsCenter 8983 Solr Admin Web UI 9042 Native Transport Protocol 9142 Native Transport Protocol (SSL) 9091 DataStax Studio DSA Course Instance 8 Example security group setting Type Protocol Port Range Source SSH TCP 22 0.0.0.0/0 HTTP TCP 80 0.0.0.0/0 HTTPS TCP 443 0.0.0.0/0 All ICMP – IPV4 ICMP 0 - 65535 Restrict to security group Custom TCP Rule TCP 4040 0.0.0.0/0 Custom TCP Rule TCP 7000 Restrict to security group Custom TCP Rule TCP 7001 Restrict to security group Custom TCP Rule TCP 7080 0.0.0.0/0 Custom TCP Rule TCP 7081 0.0.0.0/0 Custom TCP Rule TCP 7199 0.0.0.0/0 Custom TCP Rule TCP 8888 0.0.0.0/0 Custom TCP Rule TCP 8983 0.0.0.0/0 Custom TCP Rule TCP 9042 0.0.0.0/0 Custom TCP Rule TCP 9142 0.0.0.0/0 Custom TCP Rule TCP 9091 0.0.0.0/0 Once a security group is selected or created, click on the button Review and Launch. DSA Course Instance 9 SSH Key Pair In Step 7, you can review the instance settings to check if it is configured properly. If everything looks ok, click on the button Launch. A window will pop up to have you select an existing key pair or to create a new key pair. If you already have an existing key pair set up, and have access to the private key file, then you use that key pair for your instance(s). If you do not have an existing key pair, select the option Create a new key pair and then enter a name for the new key pair. Click on the button Download Key Pair and save the private key file to a location that you can remember; you will need that file to SSH into the instance later. Warning: You should never select the option Proceed without a key pair, as this will prevent you from being able to access your instance. Once the key pair is selected or created, click on the button Launch Instances. Finding the IP address of the instance When your instance(s) launches, you will be transferred to the Launch Status page. Click on the link with the instance ID to check out the instance details. DSA Course Instance 10 Find the value for IPv4 Public IP, which is the IP address of the instance that you will use to SSH, or access files or applications from the web browser. If the instance is still starting up, the IP address may not be available yet. Wait a few minutes, and then refresh the instance details to see if the IP is available. With the IP address, you can SSH to the instance once the instance has reached the running state. Terminating an Instance Instances incur a cost while running. When you are done with the exercises, or wish to stop for a period of time, we recommend that you terminate the instance. In the EC2 page, click on the link Instances to go to the list of instances. DSA Course Instance 11 From the list of instances, find the instance you want to terminate. Right-click on that instance, and select Instance State > Terminate. The instance will change to the state shutting-down and will be completely terminated once the state is terminated. Alternatively, you can also select the instance(s) and then click on the button Actions > Instance State > Terminate. Note that terminating the instance will delete all data on the instance. If there is anything that you wish to save, please transfer that data from the instance before terminating. There is another action called Stop that will also shut down the instance but save the EBS disk and allows the instance to start again with the same disk. In general, we do not recommend using this action for the following reasons: • • • You are still charged for storage of the EBS disk, although not for the instance itself The ephemeral disk is not saved, which is usually where DSE data is stored The stopped instance may be assigned a different IP address when you start it again, and will potentially break your DSE configuration DSA Course Instance 12
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