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AWS - EC2 Instance Start / Stop using AWS Lambda Python

Steps to Setup Lambda to Start / Stop EC2 instances: 1) Create a Lambda Function with 'Author from scratch' and with Function name 'ecStartInstance' and Runtime 'Python 3.8' 2) Choose new role with basic Lambda permission 3) Create policy using IAM role 4) Click on JSON Editor option and update EC2 instance policy json and click on 'Review Policy' JSON: { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Action": [ "logs:CreateLogGroup", "logs:CreateLogStream", "logs:PutLogEvents" ], "Resource": "arn:aws:logs:*:*:*" }, { "Effect": "Allow", "Action": [ "ec2:Start*", "ec2:Stop*" ], "Resource": "*" } ] } 5) Give name ...

Do & Don't - Contact Lens

Topics Why Contact Lens? Basics Routine Actions Do & Don't - Contact Lens Why Contact Lens? This stops eye power increasing. Gives more self confidence. When you are using camera, you can use this. So you will be satisfied with those pictures you have taken. While bike driving in rain and any raining situations. While Going to 3D movie. Finally, you will know, how spider man felt when he no longer require glasses. Basics: Always keep a lens box filled with lens liquid in hand Keep Lens pair box or Lens box always clean. Since eye is more sensitive. You should not keep dust with it. My doctor suggestion is to have a tissue paper in hand and keep the lens box within that tissue paper. Routine Actions: Always change the lens liquid in 4 days. When you feel lens liquid in the lens box is having more dust in it. Change the liquid that time itself. While changing lens liquid make sure, you clean the lens box with tissue paper. Lens can be wear...

Installing Postgres using Docker Container - Ubuntu 18.04

Step1: Install Docker using Ubuntu Terminal Command: sudo apt install docker.io Step 2: Check docker is available command: docker Step 3: Check Docker Service is up and running. command: sudo service docker status Step 4: Pull latest postgres into docker command: docker pull postgres Step 5: check docker image is available cmd: docker images Step 6: Run the docker postgres image and validate container started running. cmd: sudo docker run --name psql-ultra -e POSTGRES_PASSWORD=master -d postgres sudo docker ps Note: postgres port 5432 and ubuntu 5432 tcp port has to get update. So normal -p command with docker won't work. Hope this helps!

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