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AWS Basics

AWS Basics

If your new to AWS and need a quick reference guide, this is a good place to start. AWSMP: Decyphertek

  • SSH Keys - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/create-key-pairs.html
  • AWS Console Login > EC2 > Network & Security > Key Pairs > Create Key Pairs
  • Name the keys > Choose : RSA or ED25519 > Format: Openssh = .pem / PuTTY = .ppk > Save the key
  • Permissions: If your use .pem on linux or Mac change permissions on key > $ chmod 400 key-pair-name.pem
  • Recommended: Remote access Software > Windows - Mobaxterm / Linux - Reminna / Mac - Royal TSK
  • EC2 Launch: When you launch your ec2 instance , reference your newly created key .

  • Networking: Make sure you allow ssh via security group , ufw allows ssh , and you have public or private vpn access.

  • EC2 Status Check - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/monitoring-system-instance-status-check.html

  • Checking the status of your instance can reveal if there is any issues with your server.
  • AWS Console Login > EC2 > Instances > Check Status Column
  • Staus : Running / Stopped / Pending / Failed
  • If stauts is red 1/2 and failed , then there is something wrong with your instance, reboots can solve the issue sometimes.

  • Troubleshoot: Select Instance > Actions > Monitor & Troubleshoot > Get Instance Screenshot .

  • AWS Health Dashboard - https://docs.aws.amazon.com/health/latest/ug/aws-health-dashboard-status.html

  • Find out if there is any issues in your region, outages , etc.

  • AWS Console Login > AWS Health Dashboard

  • AWS EC2 / Networking Topics

  • If you would like to learn more about networking , related to Ec2 instances, here is some quick links.
  • Security Groups - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/working-with-security-groups.html
  • VPC - https://docs.aws.amazon.com/vpc/latest/userguide/what-is-amazon-vpc.html
  • Route Tables - https://docs.aws.amazon.com/vpc/latest/userguide/WorkWithRouteTables.html
  • Internet Gateway - https://docs.aws.amazon.com/vpc/latest/userguide/VPC_Internet_Gateway.html#Add_IGW_Attach_Gateway
  • Transit Gateway - https://docs.aws.amazon.com/vpc/latest/tgw/what-is-transit-gateway.html
  • Elastic IPS - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html