a. Stop EC2 Instance

We will now stop the running instance. Before we proceed, it is a good idea to stop any running applications and ensure that data is saved. Stopping an instance is equivalent to turning off your computer/server.

NOTE: It is best practices, but not mandatory, to stop the instance before creating the image. However while creating the image the instance will undergo a reboot, so make sure there are no applications running.

  1. Before stopping, copy all the required data from /tmp to a more persistent storage as stopping the instance will clear out /tmp. Copy all the required files to the EBS volume we mounted previously, at /mnt/volume1, before proceeding.

Make sure to set the permissions to the directory prior to copying.

sudo chmod -R 777 /mnt/volume1/

cp -ax /tmp/fastq /tmp/outbreaks /tmp/RNASeq /tmp/SingleCell /mnt/volume1/

  1. Login to the AWS Console, and in the AWS Management Console search bar, type EC2.

  2. Choose EC2 to open the EC2 Dashboard.

  3. In the left Navigation pane, Click on Instances to view all the instances that are Running, Stopped and Terminated.

  4. Select your instance.

NOTE: The Instance State of the EC2 instance shows the machine is Running.

  1. Click on the Actions button and then click on Instance State, and finally click on Stop

AWS Management Console

  1. On the dialog box click on Stop to confirm stopping the instance.

AWS Management Console

  1. Note that the instance will now attempt to stop, and after a short duration the Instance State will change to Stopped. You may have to refresh the window.