IT-Cloud-AWS

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Important Topics

  • Renting virtual machines (EC2) >> (Elastic Compute Cloud)
  • Storing data on virtual drives (EBS)
  • Distributing load across machines (ELB)
  • Scaling the services using an auto-scaling group (ASG)

Classic Ports to know

  • 22 = SSH (Secure Shell) - log into a Linux instance
  • 21 = FTP (File Transfer Protocol) – upload files into a file share
  • 22 = SFTP (Secure File Transfer Protocol) – upload files using SSH
  • 80 = HTTP – access unsecured websites
  • 443 = HTTPS – access secured websites
  • 3389 = RDP (Remote Desktop Protocol) – log into a Windows instance
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